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Seoul — weather in September, water temperature

26.5°C Daytime temperatures 19.5°C Night temperatures 17 Sunny days 11.9-13 Sun (hours) 5 Rainy days 117.9 mm Precipitation 23.6°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 35°C — 18 September 2022.
The maximum night temperature 28°C — 1 September 2018.
The minimum daily temperature 18°C — 5 September 2022.
The minimum night temperature 11.5°C — 17 September 2019.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 25.9 °C — 1 September 2019. The coldest water 21.5 °C — 30 September 2022.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 244.3 mm — July. Minimum precipitation 15.6 mm — January.
Wind speed, km / h
Maximum wind speed 12 km / h — April. Minimum wind speed 8.2 km / h — September.
Number of hours of sunshine
The maximum number of hours of sunshine per day 10.2 h. — May. The minimum number of hours of sunshine per day 6.3 h. — December.
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