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San Jose — weather in September, water temperature

28.3°C Daytime temperatures 22.2°C Night temperatures 26 Sunny days 11.8-12.9 Sun (hours) 1 Rainy days 16.4 mm Precipitation 24.3°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 36.5°C — 5 September 2016.
The maximum night temperature 26°C — 13 September 2022.
The minimum daily temperature 21.5°C — 11 September 2019.
The minimum night temperature 18°C — 30 September 2016.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 27.2 °C — 6 September 2014. The coldest water 21.7 °C — 30 September 2020.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 20.3 mm — January. Minimum precipitation 2.6 mm — July.
Wind speed, km / h
Maximum wind speed 15.8 km / h — April. Minimum wind speed 11.9 km / h — December.
Number of hours of sunshine
The maximum number of hours of sunshine per day 13.6 h. — June. The minimum number of hours of sunshine per day 8.1 h. — January.
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