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.
With an average of 4 rainy days, Gdańsk experiences minimal rainfall in September, ensuring that most days remain pleasantly dry.
Is September a good time to visit Gdańsk? check out the best time to travel to Gdańsk page.
- New! Chat with our AI weatherman - it’s amazing and free.
26
Dry days
4
Rainy days
0
Snow days
23°/13°
Temperatures
18 km/h
Avg max wind
65 %
Avg humidity
Gdańsk in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  20° | 2  21° | 3  23° | 4 24° | 5  25° | 6 25° | 7 25° |
| 8 27° | 9 26° | 10 24° | 11 23° | 12 21° | 13 19° | 14 16° |
| 15 17° | 16 23° | 17  23° | 18 23° | 19  21° | 20 21° | 21 24° |
| 22 23° | 23 21° | 24 20° | 25 19° | 26 21° | 27 23° | 28 21° |
| 29 18° | 30 16° |
You can click on date
Access Gdańsk weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Gdańsk
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| 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 | |
| Next | |||||
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.
Gdańsk in September - FAQ
What are the expected maximum and minimum temperatures in Gdańsk during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Gdańsk during September?
Expect minimal rainfall in Gdańsk during September, with a total of 17.8 mm over approximately 4 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Gdańsk during September?
The average wind speed in Gdańsk during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Gdańsk in September?
As you prepare for your trip to Gdańsk in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Gdańsk, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
Quick links
You are here
Where is Gdańsk?Get accurate weather forecasts for Gdańsk, located at latitude 54.352 and longitude 18.649. Stay updated with localized weather information tailored for Gdańsk.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.