September 4 in Santa Rosa, through the years

Typical high: 35.5°. Hottest: 39.2° (1997). Coldest night: 22.7° (2000).

YEARHIGHLOWRAIN
2025 32.2° 26° 4.3 mm
2024 36.8° 28.1° 2.4 mm
2023 38° 26.5° 0 mm
2022 35.9° 26.4° 0 mm
2021 33.9° 24.9° 7.5 mm
2020 38.2° 27.9° 0 mm
2019 34.9° 24.5° 0 mm
2018 35.2° 25.6° 0.5 mm
2017 35.7° 25.8° 0 mm
2016 39.1° 26.4° 0 mm
2015 37.2° 26° 0.3 mm
2014 32.1° 23.8° 21 mm
2013 35° 24.1° 0 mm
2012 33.1° 26° 2.8 mm
2011 33.3° 26.1° 0 mm
2010 34.9° 25.8° 1 mm
2009 34° 26° 0.3 mm
2008 36.3° 26.4° 0 mm
2007 33.4° 25.7° 1.2 mm
2006 36° 25.7° 0.2 mm
2005 38.7° 26.6° 0 mm
2004 31.6° 24.3° 22.6 mm
2003 34.1° 25.7° 2.3 mm
2002 37.9° 26.7° 0.3 mm
2001 38° 26.7° 0 mm
2000 36.8° 22.7° 0 mm
1999 35.6° 25.3° 0 mm
1998 34° 23.5° 0 mm
1997 39.2° 23.6° 25.3 mm
1996 33.4° 23.5° 0.4 mm
Source: ERA5 reanalysis (Copernicus C3S)

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