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Sundsvall — weather in September, water temperature

13.4°C Daytime temperatures 8.3°C Night temperatures 9 Sunny days 11.5-14.4 Sun (hours) 4 Rainy days 50.8 mm Precipitation 13.1°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 22°C — 7 September 2013.
The maximum night temperature 15°C — 8 September 2021.
The minimum daily temperature 5.3°C — 23 September 2014.
The minimum night temperature -1.5°C — 24 September 2014.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012
The warmest water 17.1 °C — 1 September 2019. The coldest water 9.4 °C — 29 September 2012.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 63.4 mm — October. Minimum precipitation 27.5 mm — April.
Wind speed, km / h
Maximum wind speed 12 km / h — March. Minimum wind speed 10.4 km / h — August.
Number of hours of sunshine
The maximum number of hours of sunshine per day 11.3 h. — June. The minimum number of hours of sunshine per day 2 h. — December.
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