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Geneva — weather in September, water temperature

20.3°C Daytime temperatures 8.7°C Night temperatures 16 Sunny days 11.8-13.3 Sun (hours) 6 Rainy days 71.4 mm Precipitation 17.5°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 29°C — 3 September 2016.
The maximum night temperature 15.5°C — 16 September 2021.
The minimum daily temperature 6.5°C — 27 September 2020.
The minimum night temperature -0.3°C — 13 September 2013.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012
The warmest water 22.7 °C — 1 September 2022. The coldest water 16.1 °C — 26 September 2017.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 134.8 mm — December. Minimum precipitation 66.8 mm — April.
Wind speed, km / h
Maximum wind speed 8.1 km / h — January. Minimum wind speed 5.9 km / h — August.
Number of hours of sunshine
The maximum number of hours of sunshine per day 10.8 h. — July. The minimum number of hours of sunshine per day 4.5 h. — December.
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