September 5 in Santa Rosa, through the years

Typical high: 21.9°. Hottest: 29.8° (2023). Coldest night: 8.2° (2017).

YEARHIGHLOWRAIN
2025 22.3° 12.1° 4 mm
2024 19.5° 14.1° 8.5 mm
2023 29.8° 13° 0 mm
2022 18.2° 13.5° 17.2 mm
2021 22.6° 12.8° 3.1 mm
2020 19.9° 11.6° 5.1 mm
2019 21.1° 11° 2.5 mm
2018 21° 10.3° 10.2 mm
2017 18.3° 8.2° 5.4 mm
2016 18.8° 11.1° 3.7 mm
2015 24.9° 11.3° 0 mm
2014 20.8° 11.9° 11.1 mm
2013 18.7° 9.9° 7.1 mm
2012 24.4° 9.8° 2.6 mm
2011 22.3° 11.9° 0 mm
2010 22.2° 13.4° 10.3 mm
2009 22.8° 10.2° 3 mm
2008 20.7° 13.4° 12.7 mm
2007 21.6° 12.1° 0.1 mm
2006 21.4° 9.8° 0.1 mm
2005 22.4° 11.9° 4.8 mm
2004 22.1° 10.8° 6.2 mm
2003 19° 11.8° 8.3 mm
2002 23.6° 10.8° 0.4 mm
2001 23.9° 10.4° 1.6 mm
2000 24.6° 10.4° 0 mm
1999 23.4° 10.8° 0.1 mm
1998 22.5° 10.6° 0.1 mm
1997 21.8° 9.2° 7.9 mm
1996 21.8° 11.1° 8.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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