September 6 in Santa Rosa, through the years

Typical high: 21.2°. Hottest: 25.6° (1999). Coldest night: 6.3° (2006).

YEARHIGHLOWRAIN
2025 18.3° 12.2° 1.8 mm
2024 21.7° 12.7° 0.2 mm
2023 22.3° 14° 7 mm
2022 20.4° 9.3° 0.6 mm
2021 23.9° 14° 2.4 mm
2020 23.2° 15.1° 5.9 mm
2019 21.9° 13.7° 4.9 mm
2018 21° 12.8° 0 mm
2017 20.3° 10.9° 5.1 mm
2016 16.1° 7.6° 0 mm
2015 20.9° 14.1° 1.7 mm
2014 23.1° 12.2° 3.2 mm
2013 23.1° 11.3° 1 mm
2012 24.5° 14.2° 2.5 mm
2011 21.1° 14.4° 10.6 mm
2010 19.3° 12.1° 1 mm
2009 23.3° 11.9° 6.3 mm
2008 15.3° 9.1° 3.6 mm
2007 21.8° 13.4° 29.4 mm
2006 17.9° 6.3° 0 mm
2005 20.6° 13° 12.8 mm
2004 22.7° 15.2° 5.3 mm
2003 23.4° 14.1° 13.4 mm
2002 24.6° 12.3° 3.3 mm
2001 21.8° 12.3° 1.9 mm
2000 21.4° 12.1° 7.5 mm
1999 25.6° 13.8° 0.3 mm
1998 15.1° 12.9° 19.4 mm
1997 23.3° 15.2° 11.7 mm
1996 18.3° 11.7° 20.1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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