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18°
Mostly Clear
Feels Like: 20°
Min: 11°
Max: 18°
The next few hours will be partly cloudy, with today reaching 18°C and dropping to 10°C. The coming days will be light rain
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:21
Sunrise
19:16
Sunset
Moon
Waxing Gibbous
17:45
Moonrise
02:07
Moonset
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View stargazing scoreWeather in Sarnen today, September 22, 2026
Expect a muted, overcast feel in Sarnen on September 22, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief.
Expect highs of 18°C and cooler readings close to 11°C. The air stays humid, with relative humidity between 53% and 80% and the peak around 20:00. Expect gentle winds, highest near 16:00 at 2.2 km/h.
Later hours favour clearer intervals, as cloud stays near 37% around 17:00. The afternoon is the better half for outdoor time. Visibility stays generally good near 39.2 km on average, though it can drop toward 36.0 km in thicker cloud or showers. Expect sunrise at 07:21, sunset at 19:16, and 11 hours 54 minutes of sunlight today overall.
Overall, Sarnen on September 22, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 18°C.
Frequently asked questions about weather in Sarnen
How warm does it get in Sarnen?
The warmest month in Sarnen is July, with average high temperatures of 22°C. The average temperature during this period is around 18°C.
How cold does it get in Sarnen?
The coldest month in Sarnen is January, with average low temperatures of -2°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Sarnen?
The wettest month in Sarnen is July, with an average of 206mm of precipitation.
What is the driest time of year in Sarnen?
The driest month in Sarnen is February, with an average of 102mm of precipitation.
