Neuchatel weather in September 2025

Expect 20°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Neuchatel in September. Check more long-term weather averages for Neuchatel in September before you book your next holiday to Switzerland in 2025/2026.

  • 20°C maximum daytime temperature in September in Neuchatel20
    20°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in September in Neuchatel12
    12 days with some rainfall
  • 10°C minimum night-time temperature in September in Neuchatel10
    10°C min night temperature
  • 13 hours of daylight per day in September in Neuchatel13
    13 hours of daylight per day
  • No heat & humidity in September in Neuchatel0
    No heat & humidity
  • 82 mm monthly rainfall in September in Neuchatel82
    82 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Neuchatel5
    5 (Moderate) UV index

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The September weather guide for Switzerland (Neuchatel) 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 Switzerland

How hot is it in Neuchatel in September?

Daytime temperatures usually reach 20°C in Neuchatel in September, falling to 10°C at night.

How sunny is it in Neuchatel in September?

There are normally 6 hours of bright sunshine each day in Neuchatel in September - that's 46% of daylight hours.

Does it rain in Neuchatel in September?

There are usually 12 days with some rain in Neuchatel in September and the average monthly rainfall is 82mm.

Neuchatel September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:52 19:12
Monday, 15th September 2025 06:10 18:44
Tuesday, 30th September 2025 06:30 18:14

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