Weather in Poznań for September 2025
In general, the average temperature in Poznań at the beginning of September is 26.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21 °C by the end of September.
With an average of 4 rainy days, Poznań experiences minimal rainfall in September.
Is September a good time to visit Poznań? check out the best time to travel to Poznań page.
- New! Chat with our AI weatherman - it’s amazing and free.
Poznań in September average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 23° | 2 25° | 3 28° | 4 26° | 5 28° | 6 28° | 7 29° |
8 30° | 9 27° | 10 25° | 11 24° | 12 22° | 13 18° | 14 19° |
15 19° | 16 25° | 17 26° | 18 27° | 19 23° | 20 23° | 21 25° |
22 23° | 23 20° | 24 21° | 25 21° | 26 22° | 27 24° | 28 22° |
29 20° | 30 17° |
You can click on date
Temperatures trend during September in Poznań
September weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Sept. | Overcast | 23° /11° | 3.5 mm | 5 | |
2 Sept. | Overcast | 25° /13° | 0 mm | 6 | |
3 Sept. | Overcast | 28° /16° | 0 mm | 7 | |
4 Sept. | Cloudy | 26° /15° | 0 mm | 7 | |
5 Sept. | Sunny | 28° /17° | 0 mm | 8 | |
6 Sept. | Sunny | 28° /16° | 0 mm | 8 | |
7 Sept. | Sunny | 29° /16° | 0 mm | 8 | |
8 Sept. | Sunny | 30° /18° | 0.2 mm | 7 | |
9 Sept. | Partly cloudy | 27° /16° | 0.3 mm | 7 | |
10 Sept. | Sunny | 25° /15° | 0.6 mm | 6 | |
11 Sept. | Sunny | 24° /14° | 0 mm | 6 | |
12 Sept. | Partly cloudy | 22° /14° | 1.4 mm | 5 | |
13 Sept. | Thundery outbreaks possible | 18° /11° | 8.4 mm | 5 | |
14 Sept. | Partly cloudy | 19° /11° | 0.4 mm | 5 | |
15 Sept. | Sunny | 19° /12° | 0.8 mm | 5 | |
16 Sept. | Sunny | 25° /13° | 1.7 mm | 6 | |
17 Sept. | Overcast | 26° /14° | 0 mm | 7 | |
18 Sept. | Sunny | 27° /15° | 0 mm | 7 | |
19 Sept. | Cloudy | 23° /14° | 0.2 mm | 5 | |
20 Sept. | Cloudy | 23° /12° | 0 mm | 6 | |
21 Sept. | Partly cloudy | 25° /13° | 0 mm | 7 | |
22 Sept. | Light rain | 23° /13° | 0.5 mm | 6 | |
23 Sept. | Partly cloudy | 20° /12° | 1.7 mm | 6 | |
24 Sept. | Partly cloudy | 21° /11° | 1.6 mm | 5 | |
25 Sept. | Overcast | 21° /11° | 0.5 mm | 5 | |
26 Sept. | Sunny | 22° /13° | 0 mm | 6 | |
27 Sept. | Overcast | 24° /15° | 0.1 mm | 6 | |
28 Sept. | Partly cloudy | 22° /11° | 0.2 mm | 6 | |
29 Sept. | Partly cloudy | 20° /10° | 0 mm | 5 | |
30 Sept. | Patchy rain possible | 17° /10° | 0.3 mm | 5 | |
Next |
Poznań in September - FAQ
What to pack to Poznań in September?
As you prepare for your trip to Poznań 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 Poznań, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- 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
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Poznań
UV exposure in Poznań during September
Quick links
Get accurate weather forecasts for Poznań, located at latitude 52.407 and longitude 16.93. Stay updated with localized weather information tailored for Poznań.