Gdańsk
September
Weather in Gdańsk for September 2025
Your guide to Gdańsk weather in September - trends and predictions
In general, the average temperature in Gdańsk at the beginning of September is 23.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.7 °C by the end of September.
Precipitation in Gdańsk during September is a rare event, with an average of fewer than 2 rainy days.
Temperatures
Rain 🌧️
30
Dry days
0
Rainy days
0
Snow days
24°/12°
Temperatures
19 km/h
Avg max wind
66 %
Avg humidity
Gdańsk Weather September
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Temperatures trend during September in Gdańsk
See the weather trend as well as the moving average line
September weather in Gdańsk day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy light drizzle | 20° /11° | 0.3 mm | 5 | |
| 2 Sept. |  Partly cloudy | 21° /12° | 0 mm | 6 | |
| 3 Sept. |  Overcast | 23° /13° | 0 mm | 6 | |
| 4 Sept. | Overcast | 24° /14° | 0 mm | 6 | |
| 5 Sept. |  Sunny | 25° /14° | 0 mm | 7 | |
| 6 Sept. | Sunny | 25° /15° | 0 mm | 6 | |
| 7 Sept. | Partly cloudy | 25° /15° | 0 mm | 7 | |
| 8 Sept. | Sunny | 27° /15° | 0 mm | 7 | |
| 9 Sept. | Overcast | 26° /16° | 0.4 mm | 6 | |
| 10 Sept. | Sunny | 24° /14° | 0.7 mm | 6 | |
| 11 Sept. | Sunny | 23° /13° | 0 mm | 6 | |
| 12 Sept. | Partly cloudy | 21° /13° | 2.5 mm | 6 | |
| 13 Sept. | Overcast | 19° /10° | 7.7 mm | 4 | |
| 14 Sept. | Overcast | 16° /12° | 2.1 mm | 4 | |
| 15 Sept. | Sunny | 17° /12° | 0.3 mm | 5 | |
| 16 Sept. | Sunny | 23° /12° | 0 mm | 6 | |
| 17 Sept. |  Cloudy | 23° /13° | 0 mm | 6 | |
| 18 Sept. | Partly cloudy | 23° /15° | 0 mm | 7 | |
| 19 Sept. |  Patchy rain possible | 21° /14° | 1.4 mm | 6 | |
| 20 Sept. | Patchy rain possible | 21° /13° | 0.1 mm | 6 | |
| 21 Sept. | Sunny | 24° /13° | 0 mm | 7 | |
| 22 Sept. | Light rain shower | 23° /13° | 0.6 mm | 6 | |
| 23 Sept. | Patchy light rain | 21° /12° | 5 mm | 5 | |
| 24 Sept. | Patchy rain possible | 20° /11° | 0.6 mm | 5 | |
| 25 Sept. | Partly cloudy | 19° /10° | 0.1 mm | 5 | |
| 26 Sept. | Cloudy | 21° /12° | 1.3 mm | 5 | |
| 27 Sept. | Cloudy | 23° /15° | 1.2 mm | 5 | |
| 28 Sept. | Cloudy | 21° /12° | 0.4 mm | 5 | |
| 29 Sept. | Patchy rain possible | 18° /11° | 0.1 mm | 4 | |
| 30 Sept. | Patchy rain possible | 16° /10° | 0.3 mm | 4 | |
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Important Notice
Our weather forecast for Gdańsk in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Gdańsk forecast closer to your planned date for the most up-to-date weather information.
Change Month
Gdańsk in September - FAQ
What are the expected maximum and minimum temperatures in Gdańsk during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Gdańsk during September?
In September, Gdańsk can expect light to moderate rainfall, totaling 50 mm across approximately 0 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Gdańsk during September?
The average wind speed in Gdańsk during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Gdańsk
Explore the daily rainfall trends and prepare for Gdańsks September weather 💧
UV exposure in Gdańsk during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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