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Hakone — weather in September, water temperature

27.3°C Daytime temperatures 21.6°C Night temperatures 10 Sunny days 11.9-12.9 Sun (hours) 8 Rainy days 158.7 mm Precipitation 25.6°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 34°C — 6 September 2016.
The maximum night temperature 28°C — 10 September 2019.
The minimum daily temperature 18.5°C — 27 September 2018.
The minimum night temperature 13°C — 17 September 2019.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 27.7 °C — 1 September 2020. The coldest water 23.7 °C — 27 September 2015.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 180.9 mm — July. Minimum precipitation 49.6 mm — January.
Wind speed, km / h
Maximum wind speed 14.1 km / h — April. Minimum wind speed 11.4 km / h — June.
Number of hours of sunshine
The maximum number of hours of sunshine per day 8.5 h. — May. The minimum number of hours of sunshine per day 5.9 h. — October.
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