Czech Republic weather in September 2025

Expect daytime maximum temperatures of 20°C in Czech Republic in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 43 mm of rainfall in the month.

  • 20°C maximum daytime temperature in September in Czech Republic (Prague)20
    20°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in September in Czech Republic (Prague)11
    11 days with some rainfall
  • 9°C minimum night-time temperature in September in Czech Republic (Prague)9
    9°C min night temperature
  • 13 hours of daylight per day in September in Czech Republic (Prague)13
    13 hours of daylight per day
  • No heat & humidity in September in Czech Republic (Prague)0
    No heat & humidity
  • 43 mm monthly rainfall in September in Czech Republic (Prague)43
    43 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Czech Republic (Prague)4
    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.

Top Czech Republic destinations

Below are average maximum temperatures at popular countries, regions and places in the Czech Republic in September. Select a holiday destination to see more weather parameters.

All Czech Republic destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the Czech Republic

How hot is it in the Czech Republic in September?

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

How sunny is it in the Czech Republic in September?

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

Does it rain in the Czech Republic in September?

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

Czech Republic September sunrise & sunset times

Browse the sunrise and sunset times for Czech Republic in September 2025. Select a month to view Czech Republic sunrise and sunset times for the next 12 months. The Czech Republic sunrise and sunset times shown below are for Prague.

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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