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Poland weather in September 2025
Expect 18°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Poland in September. Check more long-term weather averages for Poland in September before you book your next holiday to Poland in 2025/2026.
- 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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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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