Switzerland temperatures in September

Switzerland in September has maximum daytime temperatures ranging from low in Klosters with 6°C (43°F) to pleasant temperatures in Balerna with 21°C (70°F). Nighttime temperatures generally drop to 12°C (54°F) in Balerna and 1°C (34°F) in Klosters.

What is the temperature of the different cities in Switzerland in September?

Find the average daytime temperatures in September for the most popular destinations in Switzerland on the map below. Click on a destination dot for more detailed information.

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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30ºC (86ºF). Warm: 22ºC (72ºF) to 30ºC (86ºF). Pleasant: 18ºC (64ºF) to 22ºC (72ºF) Moderate: 12ºC (54ºF) to 18ºC (64ºF). Cold: 2ºC (36ºF) to 12ºC (54ºF). Very cold: lower than 2ºC (36ºF)

  • What is the warmest city in September in Switzerland?
  • Balerna tops the warmest city list in our database with average maximum daytime temperatures around 21°C (70°F) and a minimum nighttime temperature of around 12°C (54°F).

  • What is the coldest city in September in Switzerland?
  • The coldest city in September in Switzerland is Klosters when we check our database. The maximum daytime temperatures are around 6°C (43°F) and minimum nighttime temperatures fall around 1°C (34°F).

  • How much sun does Switzerland get in September?
  • September is generally a moderate sunny month with an average of 166 hours of sunshine in Zermatt during the whole month.

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