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.
Gdańsk experiences moderate rainfall in September, with an average of 7 rainy days and a total precipitation of 25 mm.
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.
Temperatures
Rain 🌧️
More
23
Dry days
7
Rainy days
0
Snow days
22°/13°
Temperatures
19 km/h
Avg max wind
66 %
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 22° 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?
In September, Gdańsk can expect light to moderate rainfall, totaling 25 mm across approximately 7 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.
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
- Rain Gear: Lightweight, waterproof clothing
- 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
- Umbrellas/Raincoats: For rainy days
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 ☀️
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.