Poznan weather in September 2025

Expect 66°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Poznan in September. Check more long-term weather averages for Poznan in September before you book your next holiday to Poland in 2025/2026.

  • 66°F maximum daytime temperature in September in Poznan66
    66°F max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in September in Poznan11
    11 days with some rainfall
  • 48°F minimum night-time temperature in September in Poznan48
    48°F min night temperature
  • 13 hours of daylight per day in September in Poznan13
    13 hours of daylight per day
  • No heat & humidity in September in Poznan0
    No heat & humidity
  • 1.7 inches monthly rainfall in September in Poznan1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Poznan4
    4 (Moderate) UV index

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The September weather guide for Poland (Poznan) 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.

Metric (°C)  |  Imperial (°F)

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More about Poland

How hot is it in Poznan in September?

Daytime temperatures usually reach 66°F in Poznan in September, falling to 48°F at night.

How sunny is it in Poznan in September?

There are normally 5 hours of bright sunshine each day in Poznan in September - that's 36% of daylight hours.

Does it rain in Poznan in September?

There are usually 11 days with some rain in Poznan in September and the average monthly rainfall is 1.7 inches.

Poznan September sunrise & sunset times

Browse the sunrise and sunset times for Poznan in September 2025. Select a month to view Poznan sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:03 18:40
Monday, 15th September 2025 05:27 18:07
Tuesday, 30th September 2025 05:52 17:32

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