Poland·September

Gdansk

in September

Gdańsk in September pairs the Gdańsk Film Festival (Camerimage) with easy access to Bazylika Świętej Brygidy and the rest of the Old Town. With 19.5°C days and 12.4°C nights, it lands between August’s busier feel and October’s cooler pace.

82
Prime Time

Bazylika Świętej Brygidy

landmark

Average daytime temperature
19.5°C
9.3h Average sunshine
Crowds
medium
medium
Monthly rainfall
40.7 mm
10 days
Price level
medium
medium

Month intelligence

How September compares with the year

Gdansk in September is Gdansk's top-ranked month: #1 of 12 by TripTimi score. Against the city's own monthly baseline, it is warmer, drier, and brighter. The nearest benchmark is June; its edge mostly comes from the fact that this month has a clearly easier rain pattern.

City rank

#1 of 12

by TripTimi score across all months

Score edge

+1 pts

against June

City baseline

+6.5C

daytime temperature difference

Temperature

+6.5C

warmer than the city average

Rain pattern

-17 mm / -1.4 days

drier than the usual city month

Sunshine

+1.3 h

more bright hours for the day plan

Book your trip

Search flights to Gdansk

Accommodation

Find hotels in Gdansk

Search

Best for

Who this month suits best

Filmgoers who want the Gdańsk Film Festival (Camerimage) to anchor a city break around real programming.

Visitors who prefer indoor backups, because Dom Uphagena, Muzeum Narodowe w Gdańsku, and Ratusz Głównego Miasta give September a strong museum day.

Travelers who want Old Town churches like Bazylika Świętego Mikołaja and Bazylika Świętej Brygidy without August-style pressure on the streets.

Travel pulse

Why this month is easy to say yes to

Crowdsmedium
Price levelmedium
Night temp12.4C

What Works Well

  • Bazylika Świętego Mikołaja and Kościół pw. Świętej Barbary stay central to September walks, with 19.5°C daytime highs keeping cross-town st.
  • Dom Uphagena and Ratusz Głównego Miasta fit neatly into a wet-day plan, and both are strong anchors when the sky turns.
  • The Gdańsk Film Festival (Camerimage) and Solidarity Museum special exhibitions add a clear reason to stay in the city beyond the port views

What Needs Planning

  • 10 rainy days in September can interrupt long waterfront walks around the Old Town.
  • Night temperatures of 12.4°C make late dinners and evening church visits at Bazylika Świętej Brygidy feel shorter than in August.
  • October sits just ahead, so September can feel like the last month before the city shifts more fully indoors

Snapshot

The numbers behind the vibe

Average daytime temperature19.5C
Average night temperature12.4C
Monthly rainfall40.7 mm
Rainy days10 days
Humidity75%
Average sunshine9.3 h

How The Month Feels

September gives Gdańsk a steadier rhythm than August, with festival nights and museum hours shaping the day. In the Old Town and around the Solidarity Museum special exhibitions, the city feels active but not rushed.

What To Lock In Early

Reserve the Gdańsk Film Festival (Camerimage) schedule and any timed museum entries first. Leave the rest of the day open for Bazylika Świętej Brygidy, Bazylika Świętego Mikołaja, and flexible Old Town walking.

How to do it

A few things worth planning ahead

01

Plan cue

Book timed visits for Dom Uphagena and Ratusz Głównego Miasta before arrival if you want both on the same day.

02

Plan cue

Plan one festival day around the Gdańsk Film Festival (Camerimage) and leave the rest of the schedule open for the Solidarity Museum special exhibitions.

03

Plan cue

Base yourself within walking distance of Bazylika Świętej Brygidy so you can pair it with Bazylika Świętego Mikołaja without extra transit

Practical trip tips

With 40.7 mm of rain across 10 days, pack a compact umbrella for Old Town crossings rather than planning around perfect skies.
Use a wet morning for Muzeum Narodowe w Gdańsku, then switch to the churches after lunch when the streets are easier to navigate.
Ratusz Głównego Miasta and Dom Uphagena work well as backup stops when a September shower cuts a riverside route short

Broaden the session

Similar cities worth checking for September

If this month looks too wet, compare cities where indoor anchors and flexible walking windows may work harder for you.

Quick answers

Gdansk travel FAQ

Is Gdansk in September a good time to visit?

Yes. This is one of the easier months to say yes to if you want a broadly comfortable city break.

What is the weather like in Gdansk in September?

Expect around 19.5°C by day and 12.4°C at night, with 40.7 mm of rain across roughly 10 rainy days.

What is the temperature in Gdansk in September?

Average daytime temperature is around 19.5°C, dropping to about 12.4°C at night.

What should I pack?

Layers, light rain protection, and comfortable shoes are the safest combination.

Does Gdansk in September work for an indoor-heavy trip?

It can. The month usually works best when museums, churches, galleries, or other covered landmarks carry the core of the day and outdoor time stays flexible.

Travel setup

Get an eSIM before your trip to Poland

Compare data plans for Poland and sort your connection before you fly.

Climate data: Open-Meteo historical averages. Crowd and price signals: seasonal demand model based on population data and tourism patterns. TripTimi score is an indicative index, not a travel recommendation.