September 7 in Santa Rosa, through the years

Typical high: 12°. Hottest: 14.7° (1997). Coldest night: -5.7° (2003).

YEARHIGHLOWRAIN
2025 11° -0.2° 3.4 mm
2024 13.4° -1.5° 1.3 mm
2023 13° -1.7° 0 mm
2022 12.3° -1.4° 0 mm
2021 10.3° 1.4° 6.8 mm
2020 12.9° 0.8° 8.2 mm
2019 8.3° 6.4 mm
2018 12.8° -1.6° 0 mm
2017 7.3° -0.9° 5.8 mm
2016 13.3° 0.4° 0.1 mm
2015 12.7° -0.6° 0 mm
2014 10.7° -1.4° 0.5 mm
2013 14° -0.1° 0 mm
2012 14° -1.8° 0.3 mm
2011 13.5° -1° 0 mm
2010 12.1° 2.2° 1.5 mm
2009 14.6° -0.9° 0.1 mm
2008 13.5° -2.5° 0 mm
2007 9.2° 1.1° 5.1 mm
2006 10.4° -0.3° 1.3 mm
2005 11° 0.6° 5.6 mm
2004 10.5° -1° 4.2 mm
2003 10.6° -5.7° 0 mm
2002 10.8° -2.8° 0.9 mm
2001 12° 2.4° 0.9 mm
2000 13.8° -2.4° 0 mm
1999 13.6° -2.7° 0 mm
1998 11.9° -4.1° 0 mm
1997 14.7° -0.5° 0 mm
1996 12.1° -0.1° 0.4 mm
Source: ERA5 reanalysis (Copernicus C3S)

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