Prague weather in September 2025

Expect 20°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Prague in September. Check more long-term weather averages for Prague in September before you book your next holiday to Czech Republic in 2025/2026.

  • 20°C maximum daytime temperature in September in Prague20
    20°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in September in Prague11
    11 days with some rainfall
  • 9°C minimum night-time temperature in September in Prague9
    9°C min night temperature
  • 13 hours of daylight per day in September in Prague13
    13 hours of daylight per day
  • No heat & humidity in September in Prague0
    No heat & humidity
  • 43 mm monthly rainfall in September in Prague43
    43 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Prague4
    4 (Moderate) UV index

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The September weather guide for Czech Republic (Prague) 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 / mm)  |  Imperial (°F / inches)

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More about the Czech Republic

How hot is it in Prague in September?

Daytime temperatures usually reach 20°C in Prague in September, falling to 9°C at night.

How sunny is it in Prague in September?

There are normally 5 hours of bright sunshine each day in Prague in September - that's 42% of daylight hours.

Does it rain in Prague in September?

There are usually 11 days with some rain in Prague in September and the average monthly rainfall is 43mm.

Prague September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:17 18:46
Monday, 15th September 2025 05:38 18:16
Tuesday, 30th September 2025 06:01 17:43

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