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Key West — weather in September, 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 30°C — 3 September 2022. The minimum daily temperature 26°C — 14 September 2017. The minimum night temperature 24.5°C — 15 September 2015. water temperature
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
The warmest water 31.4 °C — 9 September 2022. The coldest water 28.2 °C — 25 September 2019.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 146.1 mm — September. Minimum precipitation 14.3 mm — March.
Wind speed, km / h
Maximum wind speed 23.5 km / h — November. Minimum wind speed 15.9 km / h — September.
Number of hours of sunshine
The maximum number of hours of sunshine per day 8.8 h. — May. The minimum number of hours of sunshine per day 6.1 h. — December.
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