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St Gallen — weather in September, water temperature

18.8°C Daytime temperatures 10.3°C Night temperatures 14 Sunny days 11.7-13.4 Sun (hours) 7 Rainy days 89.1 mm Precipitation 17.9°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 28.7°C — 5 September 2013.
The maximum night temperature 18.5°C — 1 September 2015.
The minimum daily temperature 7°C — 26 September 2020.
The minimum night temperature 2°C — 12 September 2014.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012
The warmest water 22.6 °C — 1 September 2020. The coldest water 16.3 °C — 30 September 2013.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 156.4 mm — July. Minimum precipitation 66.8 mm — November.
Wind speed, km / h
Maximum wind speed 8.1 km / h — January. Minimum wind speed 6.3 km / h — August.
Number of hours of sunshine
The maximum number of hours of sunshine per day 9.6 h. — June. The minimum number of hours of sunshine per day 4.3 h. — January.
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