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Hourly Forecast
Daylight Hours
07:17
Sunrise
19:12
Sunset
Moon
Waxing Gibbous
17:42
Moonrise
02:01
Moonset
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View stargazing scoreWeather in Gossau today, September 22, 2026
Gossau starts September 22, 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.
Temperatures climb from an overnight low near 6°C toward a daytime high of about 16°C. Expect humidity between 46% and 78%, most humid near 23:00. Expect gentle winds, highest near 16:00 at 2.6 km/h.
Expect a more open afternoon, with limited cloud around 0% by 16:00. Residual damp risk should be lower than earlier. Visibility holds near 37.8 km, though it can fall to 31.6 km. Daylight runs from 07:17 to 19:12, lasting 11 hours 54 minutes of sunlight today.
Taken together, settled sunshine in Gossau on September 22, 2026 makes outdoor timing easier, with highs near 16°C.
Frequently asked questions about weather in Gossau
How warm does it get in Gossau?
The warmest month in Gossau 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 Gossau?
The coldest month in Gossau 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 Gossau?
The wettest month in Gossau is August, with an average of 193mm of precipitation.
What is the driest time of year in Gossau?
The driest month in Gossau is February, with an average of 80mm of precipitation.
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