September 5 in Santa Rosa, through the years

Typical high: 30.7°. Hottest: 33.8° (2009). Coldest night: 20.2° (2005).

YEARHIGHLOWRAIN
2025 32.6° 21.7° 4.7 mm
2024 32.9° 23.8° 2.8 mm
2023 29.2° 24.1° 0.5 mm
2022 30.2° 21.7° 0.2 mm
2021 32.2° 22.7° 9.6 mm
2020 30.4° 22.1° 5.3 mm
2019 29.6° 22.5° 4 mm
2018 31° 21° 0.2 mm
2017 33.6° 23° 5.8 mm
2016 26° 22.1° 3.1 mm
2015 30.9° 22.8° 8.7 mm
2014 27.8° 21.9° 0.6 mm
2013 26.9° 21.3° 59.1 mm
2012 30.8° 21.2° 0.9 mm
2011 33.3° 21.5° 0.4 mm
2010 31.5° 23° 4.5 mm
2009 33.8° 23° 3.8 mm
2008 33.4° 22.8° 7.1 mm
2007 30.3° 21.7° 13.6 mm
2006 28.4° 21.6° 10.1 mm
2005 32.5° 20.2° 0.4 mm
2004 29.4° 22.5° 5.7 mm
2003 31.3° 22.3° 6 mm
2002 31.4° 21.8° 0.6 mm
2001 27.5° 22.2° 8.2 mm
2000 28.6° 21.2° 5.6 mm
1999 31.6° 21.9° 0 mm
1998 29.2° 21.7° 2 mm
1997 32.5° 22.5° 3.1 mm
1996 31° 23.3° 11.6 mm
Source: ERA5 reanalysis (Copernicus C3S)

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