
Valais Weather September
To help you choose the best time to travel, you can find climate data below on the weather in Valais in September.
Valais Weather September: | Sion | Zermatt | |
![]() | average daily high | +21.7°C | +15.2°C |
![]() | average daily low | +9.9°C | +4.6°C |
![]() | daylight hours | 13.0h | 13.0h |
![]() | sunny/overcast hours | 6.8/6.2h | 5.4/7.6h |
![]() | average monthly precipitation | 44 mm | 55 mm |
Temperature in Valais
The average daily maximum in September is +21.7 — +15.2°C, and the minimum +9.9 — +4.6°C.
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Precipitation
The normal amount of precipitation for September is from 44 to 55 mm, which may cause a change of plans on certain days.