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Honolulu — weather in September, water temperature

28.9°C Daytime temperatures 25.4°C Night temperatures 17 Sunny days 12-12.5 Sun (hours) 1 Rainy days 32.6 mm Precipitation 27.2°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 33.7°C — 11 September 2015.
The maximum night temperature 28.5°C — 11 September 2015.
The minimum daily temperature 26°C — 17 September 2021.
The minimum night temperature 23.5°C — 25 September 2021.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 29.1 °C — 10 September 2015. The coldest water 26.2 °C — 14 September 2021.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 58.3 mm — March. Minimum precipitation 18.4 mm — July.
Wind speed, km / h
Maximum wind speed 25.9 km / h — July. Minimum wind speed 17.6 km / h — January.
Number of hours of sunshine
The maximum number of hours of sunshine per day 9.3 h. — June. The minimum number of hours of sunshine per day 6.7 h. — December.
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