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19°
Mostly Clear
Feels Like: 20°
Min: 10°
Max: 22°
The next few hours will be partly cloudy, with today reaching 22°C and dropping to 13°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
07:23
Sunrise
19:07
Sunset
Moon
Waxing Gibbous
18:38
Moonrise
05:39
Moonset
Daily Forecast
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Saturday
Sunday
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Sunday
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View stargazing scoreWeather in Gossau today, September 25, 2026
Gossau keeps a mostly sunny profile on September 25, 2026, aside from a cloudier spell around 13:00. Outside that window, bright conditions should still lead the day.
Expect highs of 22°C and cooler readings close to 10°C. Expect humidity between 40% and 82%, most humid near 23:00. Winds stay light, near 1.1 km/h by 17:00, so the day feels still more than breezy.
Later hours favour clearer intervals, as cloud stays near 35% around 13:00. The afternoon is the better half for outdoor time. Horizontal visibility holds close to 16.1 km. Sunrise is at 07:23 and sunset at 19:07, giving 11 hours 44 minutes of sunlight today.
Overall, Gossau on September 25, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 22°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 23°C. The average temperature during this period is around 18°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 0°C.
What is the wettest time of year in Gossau?
The wettest month in Gossau is May, with an average of 173mm of precipitation.
What is the driest time of year in Gossau?
The driest month in Gossau is February, with an average of 90mm of precipitation.
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