September 6 in Santa Rosa, through the years

Typical high: 15.5°. Hottest: 18.8° (2024). Coldest night: -4.6° (2002).

YEARHIGHLOWRAIN
2025 10° 3.1° 2.3 mm
2024 18.8° 3.2° 0.2 mm
2023 16° 3.9° 1.9 mm
2022 16.7° 2.1° 0 mm
2021 16.6° 5.1° 0.7 mm
2020 18° 3.6° 0 mm
2019 14.4° 4.7° 3.3 mm
2018 16.6° 1.8° 0.3 mm
2017 17.2° 0.8 mm
2016 16.5° -0.2° 0 mm
2015 14.6° -0.7° 0.8 mm
2014 11.2° 2.2° 5.3 mm
2013 17° 1.3° 0 mm
2012 18.7° 3.1° 0.1 mm
2011 15° 2.3° 1.1 mm
2010 16.8° 2.8° 0 mm
2009 17.4° 1.7° 0 mm
2008 15.4° 0.8° 0 mm
2007 13.4° 2.6° 1 mm
2006 15.6° 2.3° 0 mm
2005 16.7° -0.5° 0 mm
2004 13° -2° 1.5 mm
2003 11.4° 3.5° 4.5 mm
2002 14.2° -4.6° 0 mm
2001 12.1° 2.2° 5.5 mm
2000 15.1° 0.3° 0 mm
1999 17.6° -0.1° 0 mm
1998 15.5° 4.6° 0 mm
1997 17.1° -0.2° 0.4 mm
1996 15.1° -0.1° 0.4 mm
Source: ERA5 reanalysis (Copernicus C3S)

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