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Oslo — weather in September, water temperature

14.1°C Daytime temperatures 8.8°C Night temperatures 9 Sunny days 11.5-14.1 Sun (hours) 5 Rainy days 85.2 mm Precipitation 15.3°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 25°C — 9 September 2021.
The maximum night temperature 16°C — 9 September 2016.
The minimum daily temperature 5°C — 30 September 2019.
The minimum night temperature 1°C — 29 September 2018.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012
The warmest water 18.5 °C — 1 September 2019. The coldest water 12.4 °C — 29 September 2015.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 88 mm — June. Minimum precipitation 40.1 mm — March.
Wind speed, km / h
Maximum wind speed 10.3 km / h — May. Minimum wind speed 8.7 km / h — November.
Number of hours of sunshine
The maximum number of hours of sunshine per day 10.1 h. — June. The minimum number of hours of sunshine per day 2.4 h. — December.
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