September 4 in Santa Rosa, through the years

Typical high: 29.8°. Hottest: 33.9° (2024). Coldest night: 20.7° (2005).

YEARHIGHLOWRAIN
2025 31.5° 22.8° 4.6 mm
2024 33.9° 24.6° 0.1 mm
2023 32.5° 23.6° 13.8 mm
2022 29.9° 22° 0.2 mm
2021 33.8° 22.2° 0 mm
2020 29.9° 21.4° 26.5 mm
2019 29.4° 24° 11.2 mm
2018 25.9° 22° 20.6 mm
2017 33.2° 23.7° 0.2 mm
2016 29.5° 23° 21.1 mm
2015 30.8° 22° 1.4 mm
2014 28.7° 21.6° 8 mm
2013 28.9° 22.4° 15.3 mm
2012 27.7° 22.6° 2.5 mm
2011 30.6° 22.2° 0.4 mm
2010 31.1° 22.7° 3.8 mm
2009 29.6° 22.7° 1.2 mm
2008 29.4° 23.2° 11.7 mm
2007 29.9° 21.5° 11.2 mm
2006 32° 22.7° 0.8 mm
2005 29° 20.7° 0.5 mm
2004 27.8° 21.5° 12.4 mm
2003 28.2° 22.4° 7.2 mm
2002 28° 21.2° 0.2 mm
2001 27.4° 22.3° 23.9 mm
2000 26.5° 21.2° 21.8 mm
1999 28.1° 21.4° 21.9 mm
1998 27.9° 22.6° 1.4 mm
1997 30.5° 21.6° 0.3 mm
1996 31.9° 22° 0.5 mm
Source: ERA5 reanalysis (Copernicus C3S)

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