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Poland weather in September 2025
Expect daytime maximum temperatures of 18°C in Poland in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 45 mm of rainfall in the month.
- 18°C max day temperature
18 - 5 hours of sunshine per day
- 12 days with some rainfall
12 - 9°C min night temperature
9 - 13 hours of daylight per day
13 - No heat & humidity
0 - 45 mm of monthly rainfall
45 - 4 (Moderate) UV index
4
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Recommended for Poland
The September weather guide for Poland (Warsaw) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Poland destinations
Below are average maximum temperatures at popular countries, regions and places in Poland in September. Select a holiday destination to see more weather parameters.
All Poland destinations
- Bialystok
- Gdansk
- Karpacz
- Katowice
- Koszalin
- Krakow
- Lodz
- Lublin
- Poznan
- Sopot
- Szczecin
- Torun
- Warsaw
- Wroclaw
- Zakopane
Metric (°C / mm) | Imperial (°F / inches)
More about Poland
How hot is it in Poland in September?
Daytime temperatures usually reach 18°C in Warsaw, Poland in September, falling to 9°C at night.
How sunny is it in Poland in September?
There are normally 5 hours of bright sunshine each day in Warsaw, Poland in September - that's 38% of daylight hours.
Does it rain in Poland in September?
There are usually 12 days with some rain in Warsaw, Poland in September and the average monthly rainfall is 45mm.
Poland September sunrise & sunset times
Browse the sunrise and sunset times for Poland in September 2025. Select a month to view Poland sunrise and sunset times for the next 12 months. The Poland sunrise and sunset times shown below are for Warsaw.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 04:47 | 18:23 |
| Monday, 15th September 2025 | 05:10 | 17:51 |
| Tuesday, 30th September 2025 | 05:35 | 17:15 |
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