Gdansk in September (2026)
Verdict: Go
September is a good time to visit Gdansk — mild, cooling, with temperatures around 18°C/11°C. Expect moderate crowds.
Weather
18°C/11°C · Mild, cooling
Crowds
Medium
Daily budget
PLN 300-750/day
Temperature
18°C/11°C
Weather
Mild, cooling
Crowds
Moderate
Prices
Moderate
September vs the best time to visit Gdansk
The best months to visit Gdansk are June, July, August. September sits outside peak season, which often means better value and thinner crowds.
See the full month-by-month guide →Things to do in Gdansk in September
Long Market (Długi Targ)
Gdańsk's grandest street, lined with Hanseatic merchant townhouses rebuilt after WWII in painstaking historical detail — the Golden Gate and Green Gate bookend it.
St Mary's Church
One of the largest brick churches in the world, with a 78m tower climbable via 400 steps for a panorama over the old town and shipyards.
Gdansk Shipyard & Solidarity Museum
The birthplace of the Solidarity movement that helped bring down communism in Eastern Europe — the museum sits at the actual shipyard gates where the 1980 strikes began.
Neptune's Fountain
A bronze 17th-century fountain at the centre of the Long Market, one of Gdańsk's most recognisable symbols.
Westerplatte
The site where the first shots of World War II were fired in 1939 — a peninsula memorial with ruins and a monument, reachable by tram or river cruise.
Malbork Castle Day Trip
The largest castle in the world by land area, built by the Teutonic Knights and a UNESCO World Heritage Site, about 40 minutes from Gdańsk by train.
Gdansk in September — FAQs
Is September a good time to visit Gdansk?
September is a good time to visit Gdansk — mild, cooling, with temperatures around 18°C/11°C. Expect moderate crowds.
Is Gdansk expensive in September?
September is a moderate-price month in Gdansk, with moderate crowds and daily costs around PLN 300-750/day per person. The best-value strategy: take advantage of off-peak rates on stays and activities.
What should I pack for Gdansk in September?
Pack for temperatures around 18°C/11°C. Light layers work well, with something warmer for evenings. Comfortable weather, crowds thinning from summer
Full Travel Guide
Planning a Gdansk trip in September?
Things to do, where to stay, budgets and local tips — all free.