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Hiroshima — weather in September, water temperature

27.8°C Daytime temperatures 19°C Night temperatures 11 Sunny days 11.9-12.9 Sun (hours) 7 Rainy days 215.9 mm Precipitation 25.3°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 35.5°C — 14 September 2013.
The maximum night temperature 27°C — 3 September 2020.
The minimum daily temperature 18°C — 29 September 2018.
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 28.8 °C — 11 September 2019. The coldest water 23.5 °C — 30 September 2015.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 260.9 mm — July. Minimum precipitation 57.5 mm — January.
Wind speed, km / h
Maximum wind speed 9.2 km / h — December. Minimum wind speed 6.3 km / h — June.
Number of hours of sunshine
The maximum number of hours of sunshine per day 9.3 h. — May. The minimum number of hours of sunshine per day 5.9 h. — January.
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