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Hourly Forecast
Daylight Hours
07:25
Sunrise
19:20
Sunset
Moon
Waxing Gibbous
17:46
Moonrise
02:14
Moonset
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View stargazing scoreWeather in Sion Airport today, September 22, 2026
Expect a mostly clear day in Sion Airport on September 22, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled.
The temperature range runs from about 16°C up to 26°C. Expect humidity between 27% and 58%, most humid near 23:00. A lighter breeze peaks around 15:00 near 2.2 km/h.
Through the afternoon skies look more workable, with cloud near 0% around 14:00. Later outdoor plans have a clearer window than the morning may have suggested. Visibility stays generally good near 45.4 km on average, though it can drop toward 41.2 km in thicker cloud or showers. Sunrise is at 07:25 and sunset at 19:20, giving 11 hours 54 minutes of sunlight today.
Taken together, settled sunshine in Sion Airport on September 22, 2026 makes outdoor timing easier, with highs near 26°C.
Frequently asked questions about weather in Sion Airport
How warm does it get in Sion Airport?
The warmest month in Sion Airport is July, with average high temperatures of 20°C. The average temperature during this period is around 14°C.
How cold does it get in Sion Airport?
The coldest month in Sion Airport is January, with average low temperatures of -11°C. The average temperature during this period is around -7°C.
What is the wettest time of year in Sion Airport?
The wettest month in Sion Airport is May, with an average of 188mm of precipitation.
What is the driest time of year in Sion Airport?
The driest month in Sion Airport is February, with an average of 102mm of precipitation.
