Weather in Gdansk in September
September in Gdansk is mild enough that walking is the default. This is a city-break month more than a sea-holiday month.
In Poland, this is how Gdansk actually wears September, not how a country centroid would. Compared with August and January, September sits in the middle of Gdansk's year.
- Average temp
- 14°C
10–18°C
- Rainfall
- 74 mm
Showers likely
- Sunshine
- 6 h
hours per day
What to expect
Daytime
Mild afternoons in Gdansk are the prize in September. You can eat outside on the good days. You still want something for the breeze.
This is walking weather. Shade is useful, not essential the way it is in the hot months. A long outdoor day is a reasonable plan.
Rain
September is a wetter month in Gdansk. Showers are part of the deal, not a spoiled surprise.
Waterproof shoes matter more than a rain plan for a beach, especially if a beach is not why you came. Build indoor hours into the afternoon.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
Rain jacket
A layer for cooler evenings
Where to stay in Gdansk
Dates are a starting point for September.
Travel guides for Gdansk
What to read before you book.
Average weather in Gdansk
TemperatureRainfall
Similar weather in September
Other destinations whose September averages sit close to this one.
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FAQs about Gdansk
Climate averages for Gdansk, 1991–2020.
The best time to visit Gdansk is between April and September, the most comfortable stretch of the year on these averages.
July is the hottest month, with an average around 18°C.
July is the wettest month, with about 87 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
