Updated 4 Aug 2026 · recomputed nightly

Visiting Zadar in September 2026?

September 2026 is a shoulder month in Zadar: warm and showery, around 25°C / 78°F with rain on about 8 days, Lively on 14 of 30 days — 16 days run Busy or Packed.

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 96% of the year; its lightest is Sun 13 Sep at 62%.

Crowds
16/30 busy or packed
0 calm · 14 lively
Weather
25°C / 78°F
rain ~8 days
Value
Strong value
a solid middle-ground pick

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 →

How busy is Zadar in September?

The busiest days are Fridays — the 11th, 18th and 25th. Away from those, most days sit Lively.

Ships call on 16 of 30 days, a typical call day carrying at least 2,192 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 96%, 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 about half as busy.

The calmest days include the 13th, 17th and 19th — 8 days share that level, so there is room to choose.
CalmLivelyBusyPacked⚓ ships in port · % = busier than this share of the year · tap any day for its full forecast
Best daysSun 13 · Thu 17 · Sat 19 — The calmest days include the 13th, 17th and 19th — 8 days share that level, so there is room to choose.
Busiest daysFri 11 · Fri 18 · Mon 21 · Fri 25 — the heaviest of 16 busier days — check the calendar for the rest.

How does October compare? →

Locked into a busy day? Here's the play.

–9am
Own the morning.The day-trip wave lands mid-morning; the headline sights before nine are effectively yours.
10–5
Go where the day-trippers don't.Away from the headline sights it stays manageable all day. Save the marquee ones.
5pm+
Take the city back.Day-trippers leave by early evening — the same squares empty out and the light is better.

Travelling on a busy day?
Timed-entry and skip-the-line tickets turn queue time into sightseeing time — sort them before you fly.

See skip-the-line options for Zadar →

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.

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Is September worth it in Zadar?

Strong value — near-peak weather without the peak crush.

Worth booking the marquee sights ahead for the busy days, but you can keep the rest of the trip flexible.

Compare October →

Keep planning

Built on: Croatia's public holidays · school vacations across Croatia, Czechia, Germany, the Netherlands and Poland · the season pattern from official overnight stays · five years of weather records (2019–2023) · 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.

Zadar · Methodology · About · forecast.json · llms.txt · CC BY 4.0