September 6 in Santa Rosa, through the years

Typical high: 19.1°. Hottest: 21° (2012). Coldest night: 9.6° (2000).

YEARHIGHLOWRAIN
2025 17.4° 12.9° 0 mm
2024 20.2° 14.6° 2.1 mm
2023 20.2° 14.5° 0.1 mm
2022 19.2° 13.9° 0 mm
2021 17.1° 12.2° 0.3 mm
2020 18° 12.8° 0 mm
2019 18.3° 13.3° 0.1 mm
2018 18.7° 12° 0.1 mm
2017 17.8° 12.9° 0.5 mm
2016 19.4° 10.4° 0 mm
2015 19.8° 12.5° 0 mm
2014 18.6° 14° 2.2 mm
2013 19.7° 12.6° 1 mm
2012 21° 13.8° 0 mm
2011 19.2° 12° 0 mm
2010 18.7° 13.8° 2 mm
2009 20.2° 12.3° 0 mm
2008 20.2° 10.7° 0 mm
2007 19.1° 11.7° 0.3 mm
2006 18.6° 13.2° 0.2 mm
2005 19.6° 12.4° 0.1 mm
2004 17.1° 11.8° 0.7 mm
2003 19.2° 13.3° 0 mm
2002 20.3° 10.7° 0 mm
2001 20.1° 14.3° 1.2 mm
2000 18.7° 9.6° 0 mm
1999 18.9° 10.9° 0.1 mm
1998 18.9° 13.5° 0 mm
1997 19.8° 11.2° 0 mm
1996 19.3° 11.8° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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