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Kotka — weather in September, water temperature

14.3°C Daytime temperatures 11.6°C Night temperatures 9 Sunny days 11.5-14.2 Sun (hours) 5 Rainy days 63.4 mm Precipitation 14.8°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 20.7°C — 8 September 2013.
The maximum night temperature 19°C — 8 September 2018.
The minimum daily temperature 6°C — 23 September 2014.
The minimum night temperature 2.5°C — 26 September 2013.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012
The warmest water 19.7 °C — 1 September 2022. The coldest water 10.7 °C — 30 September 2021.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 87.3 mm — August. Minimum precipitation 35.6 mm — April.
Wind speed, km / h
Maximum wind speed 23.9 km / h — December. Minimum wind speed 16.3 km / h — July.
Number of hours of sunshine
The maximum number of hours of sunshine per day 12.1 h. — June. The minimum number of hours of sunshine per day 1.4 h. — December.
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