September 8 in Santa Rosa, through the years

Typical high: 17.7°. Hottest: 26.3° (2007). Coldest night: 2.2° (1996).

YEARHIGHLOWRAIN
2025 17.3° 4.7° 0 mm
2024 23.5° 6.2° 0 mm
2023 18.2° 0 mm
2022 14.7° 8.2° 6.1 mm
2021 13.2° 10.9° 58.5 mm
2020 18.7° 5.9° 0 mm
2019 18.3° 8.8° 0 mm
2018 16.7° 10.6° 0.8 mm
2017 15.7° 0 mm
2016 23.1° 6.4° 0 mm
2015 19.9° 9.3° 0.7 mm
2014 22.2° 9.8° 0 mm
2013 21.4° 9.8° 0 mm
2012 17.9° 8.2° 0 mm
2011 21.4° 4.2° 0 mm
2010 21.7° 7.5° 0 mm
2009 8.8° 4.8° 4.9 mm
2008 17.3° 4.7° 0 mm
2007 26.3° 17.8° 6.6 mm
2006 20° 8.2° 0 mm
2005 22.2° 11.4° 0 mm
2004 13° 4.1° 0 mm
2003 14.2° 5.8° 0 mm
2002 15.4° 3.2° 0 mm
2001 17.9° 3.4° 0 mm
2000 15° 6.6° 12.1 mm
1999 14.9° 6.3° 0.1 mm
1998 13.3° 3.8° 0 mm
1997 18.4° 11.3° 0.1 mm
1996 11.5° 2.2° 0.2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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