Switzerland weather in September 2025

Expect 64°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Switzerland in September. Check more long-term weather averages for Switzerland in September before you book your next holiday to Switzerland in 2025/2026.

  • 64°F maximum daytime temperature in September in Switzerland (Bern)64
    64°F max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in September in Switzerland (Bern)13
    13 days with some rainfall
  • 48°F minimum night-time temperature in September in Switzerland (Bern)48
    48°F min night temperature
  • 13 hours of daylight per day in September in Switzerland (Bern)13
    13 hours of daylight per day
  • No heat & humidity in September in Switzerland (Bern)0
    No heat & humidity
  • 3.1 inches monthly rainfall in September in Switzerland (Bern)3.1
    3.1 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Switzerland (Bern)5
    5 (Moderate) UV index

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The September weather guide for Switzerland (Bern) 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 Switzerland destinations

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

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Metric (°C)  |  Imperial (°F)

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More about Switzerland

How hot is it in Switzerland in September?

Daytime temperatures usually reach 64°F in Bern, Switzerland in September, falling to 48°F at night.

How sunny is it in Switzerland in September?

There are normally 6 hours of bright sunshine each day in Bern, Switzerland in September - that's 45% of daylight hours.

Does it rain in Switzerland in September?

There are usually 13 days with some rain in Bern, Switzerland in September and the average monthly rainfall is 3.1 inches.

Switzerland September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:50 19:10
Monday, 15th September 2025 06:08 18:42
Tuesday, 30th September 2025 06:28 18:12

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