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Vaasa — weather in September, water temperature

13.3°C Daytime temperatures 10.3°C Night temperatures 8 Sunny days 11.5-14.4 Sun (hours) 5 Rainy days 67.5 mm Precipitation 13.3°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 21.5°C — 1 September 2019.
The maximum night temperature 16.5°C — 2 September 2019.
The minimum daily temperature 7°C — 30 September 2022.
The minimum night temperature 2.5°C — 21 September 2021.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012
The warmest water 18.3 °C — 2 September 2019. The coldest water 9.2 °C — 26 September 2021.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 70.6 mm — August. Minimum precipitation 31.4 mm — March.
Wind speed, km / h
Maximum wind speed 21.3 km / h — December. Minimum wind speed 14.4 km / h — July.
Number of hours of sunshine
The maximum number of hours of sunshine per day 12.8 h. — June. The minimum number of hours of sunshine per day 1.5 h. — December.
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