September 5 in Santa Rosa, through the years

Typical high: 16°. Hottest: 19.8° (1997). Coldest night: 2.5° (1997).

YEARHIGHLOWRAIN
2025 14.5° 2.6° 0 mm
2024 15.2° 6.3° 1.1 mm
2023 15.2° 7.6° 1.7 mm
2022 13.8° 1.5 mm
2021 15.6° 5.5° 2.4 mm
2020 17.8° 0.5 mm
2019 13.2° 6.9° 0 mm
2018 16.5° 3.7° 0 mm
2017 15.9° 5.5° 0 mm
2016 16.3° 5.7° 0 mm
2015 16° 5.7° 0.2 mm
2014 13.6° 5.7° 1.9 mm
2013 14.6° 3.8° 0 mm
2012 15.3° 0 mm
2011 14.5° 4.2° 0 mm
2010 11.9° 7.3° 2.9 mm
2009 16.6° 6.9° 0.7 mm
2008 17.1° 7.3° 0.1 mm
2007 14.9° 0.2 mm
2006 13.7° 3.1° 0 mm
2005 16.4° 3.7° 0 mm
2004 17° 4.5° 0 mm
2003 18° 5.5° 0 mm
2002 17.6° 3.8° 0 mm
2001 14.5° 7.3° 2 mm
2000 19.6° 5.1° 0 mm
1999 18.9° 2.6° 0.8 mm
1998 18.9° 5.9° 0 mm
1997 19.8° 2.5° 0 mm
1996 16.3° 6.5° 1.2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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