September 5 in Santa Rosa, through the years

Typical high: 30.7°. Hottest: 33.8° (2021). Coldest night: 21.2° (2018).

YEARHIGHLOWRAIN
2025 32.2° 22.4° 7 mm
2024 33.7° 23.1° 1.3 mm
2023 33.6° 23.3° 0 mm
2022 26.6° 22.6° 4.5 mm
2021 33.8° 23.2° 6.4 mm
2020 31.5° 23.3° 3.6 mm
2019 30.4° 22.3° 7.7 mm
2018 30.4° 21.2° 0.6 mm
2017 28.5° 22.3° 14 mm
2016 27.3° 22.4° 3.3 mm
2015 30.9° 23° 4.3 mm
2014 30.5° 22.3° 0.5 mm
2013 28.4° 22.4° 10.7 mm
2012 31.2° 22° 3.6 mm
2011 31.9° 22.4° 1.9 mm
2010 30.6° 22.3° 2.2 mm
2009 32.9° 23.1° 1.5 mm
2008 28.9° 22.3° 17.9 mm
2007 31° 21.8° 6.7 mm
2006 26.7° 21.7° 19.1 mm
2005 32.9° 21.9° 1.1 mm
2004 28.4° 22° 14.4 mm
2003 32.1° 22.5° 8.9 mm
2002 32.6° 22.2° 1.8 mm
2001 29.4° 22.1° 12.4 mm
2000 29.4° 21.4° 5.6 mm
1999 31.4° 22.3° 13.3 mm
1998 29.2° 22° 3.4 mm
1997 31.9° 23.6° 1.8 mm
1996 33.3° 22.2° 5.7 mm
Source: ERA5 reanalysis (Copernicus C3S)

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