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Zermatt weather in September 2025
Expect 7°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Zermatt in September. Check more long-term weather averages for Zermatt in September before you book your next holiday to Switzerland in 2025/2026.
- 77°C max day temperature
- 6 hours of sunshine per day
- 1515 days with some rainfall
- 11°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 140140 mm of monthly rainfall
- 55 (Moderate) UV index
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Zermatt by month
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Recommended for Switzerland
The September weather guide for Switzerland (Zermatt) 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)
More about Switzerland
How cold is it in Zermatt in September?
Daytime temperatures usually reach 7°C in Zermatt in September, falling to 1°C at night.
How sunny is it in Zermatt in September?
There are normally 6 hours of bright sunshine each day in Zermatt in September - that's 47% of daylight hours.
Does it rain in Zermatt in September?
There are usually 15 days with some rain in Zermatt in September and the average monthly rainfall is 140mm.
Zermatt September sunrise & sunset times
Browse the sunrise and sunset times for Zermatt in September 2025. Select a month to view Zermatt sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:50 | 19:07 |
Monday, 15th September 2025 | 06:07 | 18:40 |
Tuesday, 30th September 2025 | 06:26 | 18:11 |
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