Updated 2 Nov 2026 · recomputed nightly
Is September 2027 a good month to visit Kotor?
Busy — the typical September day in Kotor is busier than 76% of its year.
If you are coming for something that only happens in September, that is the trade. If not, January is quieter.
Calm · Lively · Busy · Packed rank a day against Kotor's own year — not a headcount.
September is one of Kotor's busiest months: warm and showery, around 26°C / 78°F with rain on about 8 days, and Busy on 16 of 30 days.
It depends. The typical September day in Kotor is Busy, and 24 of the 30 days in our window run Busy or Packed, so most days feel crowded. Expect around 26 °C by day, with rain on about 8 days. The crowd comes with the school holidays in Germany and the Netherlands. Cruise ships call on 25 of the 30 days, 5 at once on Thursday 30 September. Mid September is the month's quietest stretch in Kotor — the typical day at 72%, against 77% in late September. For similar weather with fewer people, come in October or May. The crush is at the Sea Gate and the main squares; the quiet is at the bay by boat. The calmest day is Saturday 4 September, the busiest Thursday 30 September.
In short, worth it for the peak buzz, if you can take the crowds.
Among the 12 months we forecast for Kotor, September ranks 4th for crowd pressure. Its heaviest day is Thu 30 Sep, busier than 97% of the year; its lightest is Sat 4 Sep at 60%.
Preparing pays off in a month like this: timed-entry tickets and pre-booked tours turn the queue time into sightseeing time. see the options →
Nothing extreme to plan around — rain on 8 of 30 days.
The one thing you wear all day, every day of the trip.
See walking shoes →
A folding one lives in the day bag and weighs nothing.
See umbrellas →
How busy is Kotor in September?
The busiest days are the 2nd, 16th, 22nd and 30th, and 20 more. Away from those, most days sit Lively.
Cruise ships are in port on 25 of 30 days; the heaviest is Thu 30 Sep, 5 ships in at once. Those mornings fill the squares first — start early, or save them for indoors.
The month is not one thing: its lightest day sits at 60% of the year and its heaviest at 97%, so where you land inside it matters. All five Wednesdays run Busy or Packed. Daylight runs about 12 hours.
Either side of it, August is busier still and October is far calmer.
The calmest days include the 4th, 11th and 18th — 4 days share that level, so there is room to choose.
Wed 01 Sep Busy busier than 81% of days here · ⚓4 · Germany school holidays
- Costa Deliziosa — guest capacity 2,260 10:00–19:00
- Emerald Azzurra — guest capacity 100
- Marella Explorer — guest capacity 1,924 08:00–18:00
- ms La Belle de lAdriatique — guest capacity 99 09:00–17:00
Record Kotor on Wed 1 Sep 2027 is forecast Busy. 4 cruise ships scheduled, at least 4,383 guests at double occupancy. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Sat 4 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-01 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 02 Sep Packed busier than 96% of days here · ⚓4 · Germany school holidays
- MSC Armonia — guest capacity 1,950 08:00–18:00
- MSC Explora 2 — guest capacity 922 09:00–19:00
- Mein Schiff 4 — guest capacity 2,506 07:00–18:00
- Norwegian Gem — guest capacity 2,394 07:00–18:00
Record Kotor on Thu 2 Sep 2027 is forecast Packed. 4 cruise ships scheduled, at least 7,772 guests at double occupancy; ships in port 07:00–19:00. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Wed 1 Sep (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-02 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 03 Sep Busy busier than 71% of days here · ⚓3 · Germany school holidays
- Celebrity Constellation — guest capacity 2,130 08:00–17:00
- Ritz Carlton Ilma — guest capacity 448 09:00–21:00
- Seabourn Ovation — guest capacity 600 08:00–18:00
Record Kotor on Fri 3 Sep 2027 is forecast Busy. 3 cruise ships scheduled, at least 3,178 guests at double occupancy; ships in port 08:00–21:00. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Sat 4 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-03 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 04 Sep Lively busier than 60% of days here · Germany school holidays
Record Kotor on Sat 4 Sep 2027 is forecast Lively. Why: school holidays in Germany and the Netherlands. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/kotor/#d-2027-09-04 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 05 Sep Busy busier than 78% of days here · ⚓2 · Germany school holidays
- Azura — guest capacity 3,100
- MSC Lirica — guest capacity 1,984 15:00–20:00
Record Kotor on Sun 5 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 5,084 guests at double occupancy. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Sat 4 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-05 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 06 Sep Busy busier than 67% of days here · ⚓1 · Germany school holidays
- ms Oosterdam — guest capacity 1,916 08:00–17:00
Record Kotor on Mon 6 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 1,916 guests at double occupancy; ships in port 08:00–17:00. Why: school holidays in Germany. Nearest calmer day: Sat 4 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-06 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 07 Sep Packed busier than 87% of days here · ⚓3 · Germany school holidays
- Mein Schiff 4 — guest capacity 2,506 07:00–17:00
- Norwegian Gem — guest capacity 2,394 07:00–17:00
- Seven Seas Mariner — guest capacity 708 08:00–17:00
Record Kotor on Tue 7 Sep 2027 is forecast Packed. 3 cruise ships scheduled, at least 5,608 guests at double occupancy; ships in port 07:00–17:00. Why: school holidays in Germany. Nearest calmer day: Mon 6 Sep (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-07 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 08 Sep Busy busier than 70% of days here · ⚓3 · Germany school holidays
- AIDAblu — guest capacity 2,192 12:00–22:00
- SeaDream II — guest capacity 112
- ms La Belle de lAdriatique — guest capacity 99 09:00–17:00
Record Kotor on Wed 8 Sep 2027 is forecast Busy. 3 cruise ships scheduled, at least 2,403 guests at double occupancy. Why: school holidays in Germany. Nearest calmer day: Sat 11 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-08 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 09 Sep Busy busier than 78% of days here · ⚓2 · Germany school holidays
- Celebrity Constellation — guest capacity 2,130 08:00–17:00
- MSC Armonia — guest capacity 1,950 08:00–18:00
Record Kotor on Thu 9 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 4,080 guests at double occupancy; ships in port 08:00–18:00. Why: school holidays in Germany. Nearest calmer day: Sat 11 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-09 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 10 Sep Busy busier than 70% of days here · ⚓3 · Germany school holidays
- Marella Discovery 2 — guest capacity 1,832 08:00–17:00
- Ritz Carlton Ilma — guest capacity 448 08:00–17:00
- Seabourn Ovation — guest capacity 600 08:00–18:00
Record Kotor on Fri 10 Sep 2027 is forecast Busy. 3 cruise ships scheduled, at least 2,880 guests at double occupancy; ships in port 08:00–18:00. Why: school holidays in Germany. Nearest calmer day: Sat 11 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-10 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 11 Sep Lively busier than 60% of days here · Germany school holidays
Record Kotor on Sat 11 Sep 2027 is forecast Lively. Why: school holidays in Germany. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/kotor/#d-2027-09-11 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 12 Sep Busy busier than 65% of days here · ⚓1 · Germany school holidays
- MSC Lirica — guest capacity 1,984 15:00–20:00
Record Kotor on Sun 12 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 1,984 guests at double occupancy; ships in port 15:00–20:00. Why: school holidays in Germany. Nearest calmer day: Sat 11 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-12 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 13 Sep Busy busier than 84% of days here · ⚓3 · Germany school holidays
- Norwegian Viva — guest capacity 3,215 07:00–18:00
- Seabourn Ovation — guest capacity 600 07:00–16:00
- Seven Seas Prestige — guest capacity 850 08:00–17:00
Record Kotor on Mon 13 Sep 2027 is forecast Busy. 3 cruise ships scheduled, at least 4,665 guests at double occupancy; ships in port 07:00–18:00. Why: school holidays in Germany. Nearest calmer day: Sat 11 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-13 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 14 Sep Busy busier than 68% of days here · ⚓1
- Queen Elizabeth — guest capacity 2,081
Record Kotor on Tue 14 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,081 guests at double occupancy. Nearest calmer day: Sat 11 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-14 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 15 Sep Busy busier than 76% of days here · ⚓3
- Costa Deliziosa — guest capacity 2,260 10:00–19:00
- Viking Neptune — guest capacity 928
- Viking Sea — guest capacity 930
Record Kotor on Wed 15 Sep 2027 is forecast Busy. 3 cruise ships scheduled, at least 4,118 guests at double occupancy. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-15 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 16 Sep Packed busier than 94% of days here · ⚓3
- MSC Armonia — guest capacity 1,950 08:00–18:00
- Mein Schiff 4 — guest capacity 2,506 07:00–18:00
- Norwegian Gem — guest capacity 2,394 07:00–18:00
Record Kotor on Thu 16 Sep 2027 is forecast Packed. 3 cruise ships scheduled, at least 6,850 guests at double occupancy; ships in port 07:00–18:00. Nearest calmer day: Wed 15 Sep (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-16 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 17 Sep Packed busier than 87% of days here · ⚓3
- Norwegian Viva — guest capacity 3,215 07:00–16:00
- Ritz Carlton Ilma — guest capacity 448 08:00–16:00
- ms Oosterdam — guest capacity 1,916 08:00–23:00
Record Kotor on Fri 17 Sep 2027 is forecast Packed. 3 cruise ships scheduled, at least 5,579 guests at double occupancy; ships in port 07:00–23:00. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-17 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 18 Sep Lively busier than 60% of days here
Record Kotor on Sat 18 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/kotor/#d-2027-09-18 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 19 Sep Busy busier than 77% of days here · ⚓2
- Azura — guest capacity 3,100
- MSC Lirica — guest capacity 1,984 15:00–20:00
Record Kotor on Sun 19 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 5,084 guests at double occupancy. Nearest calmer day: Sat 18 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-19 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 20 Sep Lively busier than 61% of days here · Germany public holiday
Record Kotor on Mon 20 Sep 2027 is forecast Lively. Why: Germany public holiday. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/kotor/#d-2027-09-20 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 21 Sep Packed busier than 87% of days here · ⚓4
- Azamara Onward — guest capacity 684 10:00–21:00
- Emerald Azzurra — guest capacity 100
- Mein Schiff 4 — guest capacity 2,506 07:00–17:00
- Norwegian Gem — guest capacity 2,394 07:00–17:00
Record Kotor on Tue 21 Sep 2027 is forecast Packed. 4 cruise ships scheduled, at least 5,684 guests at double occupancy. Nearest calmer day: Mon 20 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-21 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 22 Sep Packed busier than 88% of days here · ⚓3
- Explorer Of The Seas — guest capacity 3,286 07:00–18:00
- Marella Discovery 2 — guest capacity 1,832 08:00–17:00
- Silver Spirit — guest capacity 608 08:00–19:00
Record Kotor on Wed 22 Sep 2027 is forecast Packed. 3 cruise ships scheduled, at least 5,726 guests at double occupancy; ships in port 07:00–19:00. Nearest calmer day: Thu 23 Sep (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-22 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 23 Sep Busy busier than 69% of days here · ⚓1
- MSC Armonia — guest capacity 1,950 08:00–18:00
Record Kotor on Thu 23 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 1,950 guests at double occupancy; ships in port 08:00–18:00. Nearest calmer day: Sat 25 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-23 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 24 Sep Busy busier than 75% of days here · ⚓2
- Celebrity Constellation — guest capacity 2,130 08:00–17:00
- Marella Discovery 2 — guest capacity 1,832 08:00–17:00
Record Kotor on Fri 24 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 3,962 guests at double occupancy; ships in port 08:00–17:00. Nearest calmer day: Sat 25 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-24 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 25 Sep Lively busier than 64% of days here · ⚓1
- Viking Sea — guest capacity 930
Record Kotor on Sat 25 Sep 2027 is forecast Lively. 1 cruise ship scheduled, at least 930 guests at double occupancy. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/kotor/#d-2027-09-25 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 26 Sep Busy busier than 68% of days here · ⚓2
- MSC Lirica — guest capacity 1,984 15:00–20:00
- Viking Star — guest capacity 930
Record Kotor on Sun 26 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 2,914 guests at double occupancy. Nearest calmer day: Sat 25 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-26 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 27 Sep Busy busier than 79% of days here · ⚓3
- Costa Deliziosa — guest capacity 2,260 08:00–17:00
- Marella Explorer — guest capacity 1,924 09:00–18:00
- Star Explorer — guest capacity 196 08:00–22:00
Record Kotor on Mon 27 Sep 2027 is forecast Busy. 3 cruise ships scheduled, at least 4,380 guests at double occupancy; ships in port 08:00–22:00. Nearest calmer day: Tue 28 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-27 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 28 Sep Lively busier than 60% of days here
Record Kotor on Tue 28 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/kotor/#d-2027-09-28 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 29 Sep Packed busier than 86% of days here · ⚓3
- AIDAblu — guest capacity 2,192 12:00–22:00
- Emerald Kaia — guest capacity 128
- Scarlet Lady — guest capacity 2,770 08:00–19:00
Record Kotor on Wed 29 Sep 2027 is forecast Packed. 3 cruise ships scheduled, at least 5,090 guests at double occupancy. Nearest calmer day: Tue 28 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-29 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 30 Sep Packed busier than 97% of days here · ⚓5
- Azamara Onward — guest capacity 684 08:00–14:00
- MSC Armonia — guest capacity 1,950 08:00–18:00
- MSC Explora 2 — guest capacity 922 09:00–19:00
- Mein Schiff 4 — guest capacity 2,506 07:00–18:00
- Norwegian Gem — guest capacity 2,394 07:00–18:00
Record Kotor on Thu 30 Sep 2027 is forecast Packed. 5 cruise ships scheduled, at least 8,456 guests at double occupancy; ships in port 07:00–19:00. Nearest calmer day: Fri 1 Oct (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/kotor/#d-2027-09-30 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Which week of September is quietest in Kotor?
Mid September is the month's quietest stretch in Kotor — the typical day at 72%, against 77% in late September.
Can't move the dates? How to avoid the worst crowds
- The heaviest port day is Thu 30 Sep — 5 ships in at once. See the marquee sights on a lighter day, or be there for opening time.
- On the busy days, the walk-up queues for the big sights are the biggest time-sink — a timed-entry ticket skips them, which is where a busy month is won or lost.
Travelling on a busy day?
Timed-entry and skip-the-line tickets turn queue time into sightseeing time — sort them before you fly.
September weather in Kotor
Comfortably warm — around 26°C / 78°F, easy shirtsleeve weather, with rain on about 8 days, so keep a layer handy.
Book beds and the big-ticket sights well ahead, and start your days by eight — in a month this full, the early hours are the only uncrowded ones.
More about Kotor in September
Based on: Montenegro's public holidays · school vacations across France, Germany and the Netherlands · the season pattern from official overnight stays · five years of weather records (2019–2023) · confirmed event dates · the published cruise schedule
Every figure is recomputed nightly from real cruise schedules, public and school holidays, and long-run climate normals. Gaps are shown, not filled.
