September 6 in Santa Rosa, through the years

Typical high: 18.5°. Hottest: 25.1° (2007). Coldest night: -0.2° (2025).

YEARHIGHLOWRAIN
2025 12.8° -0.2° 0 mm
2024 19.7° 6.7° 0 mm
2023 14.3° 3.7° 0.7 mm
2022 21.2° 6.6° 0 mm
2021 18.4° 10.8° 0 mm
2020 14.6° 5.9° 0 mm
2019 17.3° 5.5° 0 mm
2018 24.2° 10.8° 0 mm
2017 18.3° 7.9° 0 mm
2016 12.8° 9.1° 4 mm
2015 18.9° 4.6° 0 mm
2014 18.9° 11.4° 32.8 mm
2013 23.5° 10.7° 0 mm
2012 17.4° 10.6° 3.3 mm
2011 19.7° 4.7° 0 mm
2010 22.9° 6.1° 0 mm
2009 20° 9.8° 0 mm
2008 10.8° 6.3° 17.6 mm
2007 25.1° 12.6° 0 mm
2006 16.2° 1.7° 0 mm
2005 15.2° 4.7° 0 mm
2004 24.6° 12.4° 27.3 mm
2003 24.7° 13.1° 5 mm
2002 12.3° 8.5° 3.3 mm
2001 18.2° 7.5° 0 mm
2000 20.6° 6.4° 0 mm
1999 20.4° 14.4° 5.9 mm
1998 19° 7.9° 0 mm
1997 18.7° 7.1° 3.7 mm
1996 15.2° 0.9° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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