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San Francisco — weather in September, water temperature
Air temperature
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
The maximum daily temperature 31.5°C — 6 September 2020.
The maximum night temperature 24°C — 6 September 2020. The minimum daily temperature 12.5°C — 5 September 2018. The minimum night temperature 9.5°C — 19 September 2018. water temperature
2022
2021
2020
2019
2018
2017
2016
2015
2013
2012
The warmest water 19.4 °C — 13 September 2022. The coldest water 13.2 °C — 12 September 2012.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 61 mm — January. Minimum precipitation 2.9 mm — September.
Wind speed, km / h
Maximum wind speed 16.1 km / h — May. Minimum wind speed 11.2 km / h — November.
Number of hours of sunshine
The maximum number of hours of sunshine per day 11 h. — June. The minimum number of hours of sunshine per day 5.7 h. — December.
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