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Saint Malo — weather in September, water temperature

19.1°C Daytime temperatures 14.3°C Night temperatures 12 Sunny days 11.7-13.4 Sun (hours) 3 Rainy days 47 mm Precipitation 18.2°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 31°C — 7 September 2021.
The maximum night temperature 21.5°C — 13 September 2022.
The minimum daily temperature 13.5°C — 26 September 2020.
The minimum night temperature 8.5°C — 8 September 2013.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012
The warmest water 20.6 °C — 6 September 2022. The coldest water 16.6 °C — 21 September 2013.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 90.6 mm — December. Minimum precipitation 44.7 mm — April.
Wind speed, km / h
Maximum wind speed 24.9 km / h — December. Minimum wind speed 16.3 km / h — August.
Number of hours of sunshine
The maximum number of hours of sunshine per day 9.9 h. — July. The minimum number of hours of sunshine per day 3.5 h. — January.
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