September 1 in Santa Rosa, through the years

Typical high: 29.7°. Hottest: 33° (2007). Coldest night: 19.1° (2022).

YEARHIGHLOWRAIN
2025 32.1° 21.4° 0.4 mm
2024 30.8° 22.3° 7.9 mm
2023 30° 22.5° 17.5 mm
2022 30.7° 19.1° 8.4 mm
2021 28.5° 21.2° 5 mm
2020 26.7° 22.1° 10.6 mm
2019 28° 21.2° 6.2 mm
2018 27.4° 20.5° 5.8 mm
2017 25.6° 21.2° 4 mm
2016 30.6° 22° 2.4 mm
2015 28° 20.4° 4.2 mm
2014 30.2° 23.2° 5.6 mm
2013 31.2° 22.2° 1.9 mm
2012 29.7° 22.5° 14.3 mm
2011 28.4° 23.7° 7.6 mm
2010 32.4° 24.7° 3.6 mm
2009 27.6° 21.7° 5.4 mm
2008 31.7° 21.3° 2.7 mm
2007 33° 21.7° 1.2 mm
2006 26.8° 21.6° 15.6 mm
2005 30.8° 21.7° 1.6 mm
2004 30.5° 21° 14.5 mm
2003 33° 21.5° 10.1 mm
2002 31.6° 21.3° 8.3 mm
2001 30.3° 21.8° 4.5 mm
2000 30.3° 20.5° 0.8 mm
1999 31.6° 20.5° 1.4 mm
1998 28.8° 22.2° 14.3 mm
1997 28.7° 20.7° 6.8 mm
1996 26.8° 20.1° 8.2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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