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Hourly Forecast
Daylight Hours
07:20
Sunrise
19:04
Sunset
Moon
Waxing Gibbous
18:34
Moonrise
05:36
Moonset
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View stargazing scoreWeather in St. Gallen-Altenrhein Airport today, September 25, 2026
St. Gallen-Altenrhein Airport starts September 25, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. The opening hours look fair, as cloud stays near 54% around 05:00. Morning errands should face fewer weather interruptions.
Temperatures climb from an overnight low near 13°C toward a daytime high of about 19°C. Expect humidity between 58% and 87%, most humid near 08:00. Winds stay light, near 2.5 km/h by 23:00, so the day feels still more than breezy.
Later hours favour clearer intervals, as cloud stays near 41% around 18:00. The afternoon is the better half for outdoor time. Visibility holds near 34.9 km, though it can fall to 24.9 km. Expect sunrise at 07:20, sunset at 19:04, and 11 hours 44 minutes of sunlight today overall.
In short, September 25, 2026 looks like a fine day in St. Gallen-Altenrhein Airport for being outside, peaking around 19°C.
Frequently asked questions about weather in St. Gallen-Altenrhein Airport
How warm does it get in St. Gallen-Altenrhein Airport?
The warmest month in St. Gallen-Altenrhein Airport is July, with average high temperatures of 24°C. The average temperature during this period is around 19°C.
How cold does it get in St. Gallen-Altenrhein Airport?
The coldest month in St. Gallen-Altenrhein Airport 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 St. Gallen-Altenrhein Airport?
The wettest month in St. Gallen-Altenrhein Airport is August, with an average of 174mm of precipitation.
What is the driest time of year in St. Gallen-Altenrhein Airport?
The driest month in St. Gallen-Altenrhein Airport is February, with an average of 79mm of precipitation.
View full climate insights for St. Gallen-Altenrhein Airport →
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