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Jeju — weather in September, water temperature

24.9°C Daytime temperatures 22.4°C Night temperatures 10 Sunny days 11.9-12.9 Sun (hours) 8 Rainy days 259.8 mm Precipitation 24.7°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 30.5°C — 1 September 2021.
The maximum night temperature 27°C — 5 September 2022.
The minimum daily temperature 19°C — 18 September 2020.
The minimum night temperature 10.5°C — 17 September 2019.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 28.2 °C — 1 September 2022. The coldest water 22.3 °C — 20 September 2020.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 264.8 mm — August. Minimum precipitation 66.4 mm — December.
Wind speed, km / h
Maximum wind speed 23.5 km / h — January. Minimum wind speed 15.6 km / h — June.
Number of hours of sunshine
The maximum number of hours of sunshine per day 8.9 h. — May. The minimum number of hours of sunshine per day 4.3 h. — December.
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