September 6 in Santa Rosa, through the years

Typical high: 26.5°. Hottest: 30.6° (1999). Coldest night: 10.3° (2006).

YEARHIGHLOWRAIN
2025 22.5° 15.8° 0.7 mm
2024 27.4° 14.9° 0 mm
2023 27° 15.9° 9.6 mm
2022 25.2° 13.5° 0 mm
2021 29.7° 18.2° 2.6 mm
2020 30.3° 19.8° 1 mm
2019 27.9° 16.6° 0.2 mm
2018 27.8° 12.9° 0 mm
2017 26.3° 14.2° 1.1 mm
2016 20.6° 13.5° 0 mm
2015 26.6° 16.1° 3.4 mm
2014 29.7° 17° 0.8 mm
2013 28.9° 15.6° 0 mm
2012 29.7° 16.1° 0 mm
2011 26.5° 16.7° 2.7 mm
2010 23.1° 15.1° 3.2 mm
2009 28.5° 16.8° 0 mm
2008 20.2° 15.3° 3.7 mm
2007 28.9° 15.9° 3 mm
2006 24.6° 10.3° 0 mm
2005 25° 16.9° 5.7 mm
2004 28.1° 18.1° 4 mm
2003 28.3° 15.1° 1.6 mm
2002 29.2° 17° 0.5 mm
2001 28° 17.2° 0.2 mm
2000 25° 15.7° 0.1 mm
1999 30.6° 18.2° 0 mm
1998 19.9° 17.1° 12.4 mm
1997 27.8° 17.3° 0.6 mm
1996 21.3° 14.9° 15.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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