Updated 16 Sep 2026 · recomputed nightly
Is September 2026 a good month to visit Zadar?
Lively — the typical September day in Zadar is busier than 64% 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 2026 is a shoulder month in Zadar: warm and showery, around 25°C / 78°F with rain on about 8 days, Lively on 8 of 15 days — 7 days run Busy or Packed. (Our forecast covers 16–30 September — the rest of September is beyond the current window.)
Yes. The typical September day in Zadar is Lively, and 7 of the 15 days in our window run Busy or Packed. Expect around 25 °C by day, with rain on about 8 days. Public holidays in Germany and the Czechia add to it. Cruise ships call on 7 of the 15 days, 2 at once on Friday 18 September. The crush is at the Sea Organ steps at sunset; the quiet is at the Forum's edges. The calmest day is Thursday 17 September, the busiest Friday 18 September.
In short, a solid middle-ground pick.
Among the 12 months we forecast for Zadar, September ranks 4th for crowd pressure. Its heaviest day is Fri 18 Sep, busier than 97% of the year; its lightest is Thu 17 Sep at 62%.
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 18th, 21st, 25th and 28th, and 3 more. Away from those, most days sit Lively.
Ships call on 7 of 15 days, a typical call day carrying at least 3,100 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 62% of the year and its heaviest at 97%, so where you land inside it matters. Daylight runs about 12 hours.
Either side of it, August picks up and October is a little calmer.
The calmest days include the 17th, 19th and 22nd — 7 days share that level, so there is room to choose.
Wed 16 Sep Busy busier than 76% of days here · ⚓1
- AIDAblu — guest capacity 2,192 10:00–18:00
Record Zadar on Wed 16 Sep 2026 is forecast Busy. 1 cruise ship scheduled, at least 2,192 guests at double occupancy; ships in port 10:00–18:00. Nearest calmer day: Thu 17 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-2026-09-16 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Thu 17 Sep Lively busier than 62% of days here
Record Zadar on Thu 17 Sep 2026 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/zadar/#d-2026-09-17 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 18 Sep Packed busier than 97% of days here · ⚓2
- Explorer Of The Seas — guest capacity 3,286 11:00–20:00
- Norwegian Pearl — guest capacity 2,394 11:00–20:00
Record Zadar on Fri 18 Sep 2026 is forecast Packed. 2 cruise ships scheduled, at least 5,680 guests at double occupancy; ships in port 11:00–20:00. Nearest calmer day: Thu 17 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-2026-09-18 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 19 Sep Lively busier than 62% of days here
Record Zadar on Sat 19 Sep 2026 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/zadar/#d-2026-09-19 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 20 Sep Lively busier than 64% of days here · Germany public holiday
Record Zadar on Sun 20 Sep 2026 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-2026-09-20 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 21 Sep Packed busier than 88% of days here · ⚓2
- Marella Voyager — guest capacity 1,814 08:00–18:00
- Oosterdam — guest capacity 1,916
Record Zadar on Mon 21 Sep 2026 is forecast Packed. 2 cruise ships scheduled, at least 3,730 guests at double occupancy. Nearest calmer day: Sun 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/zadar/#d-2026-09-21 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 22 Sep Lively busier than 62% of days here
Record Zadar on Tue 22 Sep 2026 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/zadar/#d-2026-09-22 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Wed 23 Sep Busy busier than 70% of days here · ⚓1
- Silver Muse — guest capacity 612 08:00–18:00
Record Zadar on Wed 23 Sep 2026 is forecast Busy. 1 cruise ship scheduled, at least 612 guests at double occupancy; ships in port 08:00–18:00. Nearest calmer day: Tue 22 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-2026-09-23 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Thu 24 Sep Lively busier than 62% of days here
Record Zadar on Thu 24 Sep 2026 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/zadar/#d-2026-09-24 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Fri 25 Sep Packed busier than 96% of days here · ⚓3
- Azamara Quest — guest capacity 722 08:00–22:00
- Mein Schiff 4 — guest capacity 2,506 07:00–19:00
- Norwegian Gem — guest capacity 2,394
Record Zadar on Fri 25 Sep 2026 is forecast Packed. 3 cruise ships scheduled, at least 5,622 guests at double occupancy. Nearest calmer day: Thu 24 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-2026-09-25 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sat 26 Sep Busy busier than 72% of days here · ⚓1
- Viking Star — guest capacity 930
Record Zadar on Sat 26 Sep 2026 is forecast Busy. 1 cruise ship scheduled, at least 930 guests at double occupancy. Nearest calmer day: Sun 27 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-2026-09-26 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Sun 27 Sep Lively busier than 62% of days here
Record Zadar on Sun 27 Sep 2026 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/zadar/#d-2026-09-27 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Mon 28 Sep Busy busier than 83% of days here · ⚓1 · Czechia public holiday
- Azura — guest capacity 3,100
Record Zadar on Mon 28 Sep 2026 is forecast Busy. 1 cruise ship scheduled, at least 3,100 guests at double occupancy. Why: Czechia public holiday. Nearest calmer day: Sun 27 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-2026-09-28 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Tue 29 Sep Lively busier than 62% of days here
Record Zadar on Tue 29 Sep 2026 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/zadar/#d-2026-09-29 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Wed 30 Sep Lively busier than 62% of days here
Record Zadar on Wed 30 Sep 2026 is forecast Lively. The day in full, the year at a glance, and how this day compares: https://avoid-crowds.com/zadar/#d-2026-09-30 (Avoid-Crowds, as of 16 Sep 2026; recomputed nightly.)
Can't move the dates? How to avoid the worst crowds
- 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.
Worth booking the marquee sights ahead for the busy days, but you can keep the rest of the trip flexible.
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.
