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Hourly Forecast
Daylight Hours
07:24
Sunrise
19:18
Sunset
Moon
Waxing Gibbous
17:50
Moonrise
02:08
Moonset
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View stargazing scoreWeather in Basel today, September 22, 2026
Sunshine leads the day in Basel on September 22, 2026, with a patch of cloud building near 15:00. The broader outlook stays fair despite that temporary thickening.
Temperatures climb from an overnight low near 7°C toward a daytime high of about 21°C. Expect humidity between 39% and 67%, most humid near 23:00. Winds stay light, near 3.0 km/h by 18:00, so the day feels still more than breezy.
Afternoon conditions open up, holding cloud close to 38% near 15:00. The day finishes on a milder, brighter note. Visibility stays generally good near 41.7 km on average, though it can drop toward 39.7 km in thicker cloud or showers. Sunrise is at 07:24 and sunset at 19:18, giving 11 hours 54 minutes of sunlight today.
Overall, Basel on September 22, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 21°C.
Frequently asked questions about weather in Basel
How warm does it get in Basel?
The warmest month in Basel is July, with average high temperatures of 25°C. The average temperature during this period is around 20°C.
How cold does it get in Basel?
The coldest month in Basel is January, with average low temperatures of -1°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Basel?
The wettest month in Basel is June, with an average of 133mm of precipitation.
What is the driest time of year in Basel?
The driest month in Basel is February, with an average of 75mm of precipitation.