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San Jose — weather in September, water temperature

27.4°C Daytime temperatures 14.8°C Night temperatures 26 Sunny days 11.8-13 Sun (hours) 0 Rainy days 1.7 mm Precipitation 16.7°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 46.5°C — 6 September 2022.
The maximum night temperature 28°C — 1 September 2017.
The minimum daily temperature 15.5°C — 21 September 2017.
The minimum night temperature 6°C — 2 September 2021.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012
The warmest water 23.2 °C — 9 September 2022. The coldest water 13 °C — 12 September 2012.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 56.5 mm — January. Minimum precipitation 1.7 mm — September.
Wind speed, km / h
Maximum wind speed 10.7 km / h — May. Minimum wind speed 7.6 km / h — November.
Number of hours of sunshine
The maximum number of hours of sunshine per day 13.5 h. — July. The minimum number of hours of sunshine per day 5.8 h. — December.
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