September 5 in Santa Rosa, through the years

Typical high: 33.4°. Hottest: 40.9° (2020). Coldest night: 15.4° (2023).

YEARHIGHLOWRAIN
2025 29.5° 22.2° 24.1 mm
2024 38.8° 26° 0 mm
2023 31.7° 15.4° 0 mm
2022 32.8° 22.1° 0 mm
2021 35.3° 21.1° 0 mm
2020 40.9° 27.3° 0 mm
2019 33.6° 23.4° 0 mm
2018 32.5° 19.5° 0 mm
2017 30.5° 19.6° 0 mm
2016 30.2° 17.1° 0 mm
2015 31.9° 21.3° 7.3 mm
2014 33.6° 24.5° 2.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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