Updated 2 Nov 2026 · recomputed nightly
Is September 2027 a good month to visit Zadar?
Busy — the typical September day in Zadar is busier than 72% of its year.
If you are coming for something that only happens in September, that is the trade. If not, December is quieter.
Calm · Lively · Busy · Packed rank a day against Zadar's own year — not a headcount.
September is one of Zadar's busiest months: warm and showery, around 25°C / 78°F with rain on about 8 days, and Busy on 14 of 30 days.
It depends. The typical September day in Zadar is Busy, and 17 of the 30 days in our window run Busy or Packed, so most days feel crowded. Expect around 25 °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 17 of the 30 days, 2 at once on Tuesday 14 September. No week of September is meaningfully quieter — the typical day is Busy throughout; pick by day instead. For similar weather with fewer people, come in May or April. The crush is at the Sea Organ steps at sunset; the quiet is at the Forum's edges. The calmest day is Saturday 18 September, the busiest Tuesday 14 September.
In short, worth it for the peak buzz, if you can take the crowds.
Among the 12 months we forecast for Zadar, September ranks 4th for crowd pressure. Its heaviest day is Tue 14 Sep, busier than 89% of the year; its lightest is Sat 18 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 Zadar in September?
The busiest days are the 14th, 15th, 17th and 24th, and 13 more. Away from those, most days sit Lively. The calmest stretch is the 18th–23rd.
Ships call on 17 of 30 days, a typical call day carrying at least 2,260 guests between them — real, but a secondary part of the crowd here; the season moves the needle more.
The month is not one thing: its lightest day sits at 60% of the year and its heaviest at 89%, so where you land inside it matters. All four Fridays run Busy or Packed. Daylight runs about 12 hours.
Either side of it, August is busier still and October is a little calmer.
The calmest days include the 18th, 19th and 21st — 6 days share that level, so there is room to choose.
Wed 01 Sep Lively busier than 62% of days here · Germany school holidays
Record Zadar on Wed 1 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/zadar/#d-2027-09-01 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 02 Sep Busy busier than 76% of days here · ⚓1 · Germany school holidays
- Costa Deliziosa — guest capacity 2,260
Record Zadar on Thu 2 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,260 guests at double occupancy. Why: school holidays in Germany and the Netherlands. Nearest calmer day: Wed 1 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/zadar/#d-2027-09-02 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 03 Sep Busy busier than 77% of days here · ⚓1 · Germany school holidays
- Norwegian Gem — guest capacity 2,394
Record Zadar on Fri 3 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,394 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/zadar/#d-2027-09-03 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 04 Sep Lively busier than 62% of days here · Germany school holidays
Record Zadar 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/zadar/#d-2027-09-04 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 05 Sep Lively busier than 62% of days here · Germany school holidays
Record Zadar on Sun 5 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/zadar/#d-2027-09-05 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 06 Sep Busy busier than 75% of days here · ⚓1 · Germany school holidays
- MSC Armonia — guest capacity 1,950
Record Zadar on Mon 6 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 1,950 guests at double occupancy. Why: school holidays in Germany. Nearest calmer day: Sun 5 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/zadar/#d-2027-09-06 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 07 Sep Busy busier than 76% of days here · ⚓1 · Germany school holidays
- AIDAblu — guest capacity 2,192 08:00–16:00
Record Zadar on Tue 7 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,192 guests at double occupancy; ships in port 08:00–16:00. Why: school holidays in Germany. Nearest calmer day: Sun 5 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/zadar/#d-2027-09-07 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 08 Sep Busy busier than 68% of days here · ⚓1 · Germany school holidays
- Seabourn Ovation — guest capacity 600 08:00–18:00
Record Zadar on Wed 8 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 600 guests at double occupancy; ships in port 08:00–18:00. Why: school holidays in Germany. Nearest calmer day: Thu 9 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/zadar/#d-2027-09-08 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 09 Sep Lively busier than 61% of days here · Germany school holidays
Record Zadar on Thu 9 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/zadar/#d-2027-09-09 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 10 Sep Busy busier than 78% of days here · ⚓1 · Germany school holidays
- Mein Schiff 4 — guest capacity 2,506 07:00–19:00
Record Zadar on Fri 10 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,506 guests at double occupancy; ships in port 07:00–19:00. Why: school holidays in Germany. Nearest calmer day: Thu 9 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/zadar/#d-2027-09-10 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 11 Sep Lively busier than 61% of days here · ⚓1 · Germany school holidays
- Wind Spirit — guest capacity 148 08:00–18:00
Record Zadar on Sat 11 Sep 2027 is forecast Lively. Why: school holidays in Germany. 1 cruise ship scheduled, at least 148 guests at double occupancy; ships in port 08:00–18:00. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/zadar/#d-2027-09-11 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 12 Sep Lively busier than 61% of days here · Germany school holidays
Record Zadar on Sun 12 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/zadar/#d-2027-09-12 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 13 Sep Busy busier than 80% of days here · ⚓2 · Germany school holidays
- MSC Armonia — guest capacity 1,950
- Viking Sea — guest capacity 930
Record Zadar on Mon 13 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 2,880 guests at double occupancy. Why: school holidays in Germany. Nearest calmer day: Sun 12 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/zadar/#d-2027-09-13 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 14 Sep Packed busier than 89% of days here · ⚓2
- Marella Discovery 2 — guest capacity 1,832 08:00–17:00
- Marella Explorer — guest capacity 1,924 10:00–19:00
Record Zadar on Tue 14 Sep 2027 is forecast Packed. 2 cruise ships scheduled, at least 3,756 guests at double occupancy; ships in port 08:00–19:00. Nearest calmer day: Mon 13 Sep (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/zadar/#d-2027-09-14 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 15 Sep Packed busier than 88% of days here · ⚓1
- Enchanted Princess — guest capacity 3,660
Record Zadar on Wed 15 Sep 2027 is forecast Packed. 1 cruise ship scheduled, at least 3,660 guests at double occupancy. Nearest calmer day: Thu 16 Sep (Busy). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/zadar/#d-2027-09-15 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 16 Sep Busy busier than 75% of days here · ⚓1
- Queen Elizabeth — guest capacity 2,081
Record Zadar on Thu 16 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,081 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/zadar/#d-2027-09-16 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 17 Sep Busy busier than 82% of days here · ⚓2
- Costa Deliziosa — guest capacity 2,260
- Seven Seas Prestige — guest capacity 850 07:00–16:00
Record Zadar on Fri 17 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 3,110 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/zadar/#d-2027-09-17 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 18 Sep Lively busier than 60% of days here
Record Zadar 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/zadar/#d-2027-09-18 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 19 Sep Lively busier than 60% of days here
Record Zadar on Sun 19 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/zadar/#d-2027-09-19 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 20 Sep Lively busier than 63% of days here · Germany public holiday
Record Zadar 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/zadar/#d-2027-09-20 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 21 Sep Lively busier than 60% of days here
Record Zadar on Tue 21 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/zadar/#d-2027-09-21 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 22 Sep Lively busier than 60% of days here
Record Zadar on Wed 22 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/zadar/#d-2027-09-22 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 23 Sep Lively busier than 60% of days here
Record Zadar on Thu 23 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/zadar/#d-2027-09-23 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Fri 24 Sep Packed busier than 85% of days here · ⚓2
- Mein Schiff 4 — guest capacity 2,506 07:00–19:00
- Viking Star — guest capacity 930
Record Zadar on Fri 24 Sep 2027 is forecast Packed. 2 cruise ships scheduled, at least 3,436 guests at double occupancy. Nearest calmer day: Thu 23 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/zadar/#d-2027-09-24 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sat 25 Sep Busy busier than 69% of days here · ⚓2
- Azamara Onward — guest capacity 684 08:00–22:00
- Wind Spirit — guest capacity 148 08:00–18:00
Record Zadar on Sat 25 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 832 guests at double occupancy; ships in port 08:00–22:00. Nearest calmer day: Thu 23 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/zadar/#d-2027-09-25 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Sun 26 Sep Busy busier than 74% of days here · ⚓1
- Marella Discovery 2 — guest capacity 1,832 08:00–17:00
Record Zadar on Sun 26 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 1,832 guests at double occupancy; ships in port 08:00–17:00. Nearest calmer day: Thu 23 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/zadar/#d-2027-09-26 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Mon 27 Sep Busy busier than 79% of days here · ⚓2
- MSC Armonia — guest capacity 1,950
- Viking Sea — guest capacity 930
Record Zadar on Mon 27 Sep 2027 is forecast Busy. 2 cruise ships scheduled, at least 2,880 guests at double occupancy. Nearest calmer day: Wed 29 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/zadar/#d-2027-09-27 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Tue 28 Sep Busy busier than 76% of days here · ⚓1 · Czechia public holiday
- AIDAblu — guest capacity 2,192 08:00–16:00
Record Zadar on Tue 28 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,192 guests at double occupancy; ships in port 08:00–16:00. Why: Czechia public holiday. Nearest calmer day: Wed 29 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/zadar/#d-2027-09-28 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Wed 29 Sep Lively busier than 60% of days here
Record Zadar on Wed 29 Sep 2027 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/zadar/#d-2027-09-29 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Thu 30 Sep Busy busier than 76% of days here · ⚓1
- Costa Deliziosa — guest capacity 2,260
Record Zadar on Thu 30 Sep 2027 is forecast Busy. 1 cruise ship scheduled, at least 2,260 guests at double occupancy. Nearest calmer day: Wed 29 Sep (Lively). Ship-by-ship detail for the day, the year at a glance, and what's worth booking ahead: https://avoid-crowds.com/zadar/#d-2027-09-30 (Avoid-Crowds, as of 2 Nov 2026; recomputed nightly.)
Which week of September is quietest in Zadar?
No week of September is meaningfully quieter — the typical day is Busy throughout; pick by day instead.
Can't move the dates? How to avoid the worst crowds
- Need flexibility? The 18th–23rd is the month's calmest stretch — the easiest window to move around in.
- 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 Zadar
Comfortably warm — around 25°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 Zadar in September
Based on: Croatia's public holidays · school vacations across Czechia, Germany, the Netherlands and Poland · 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.
