September 1 in Folsom, through the years

Typical high: 28.4°. Hottest: 35.4° (2011). Coldest night: 9.4° (2009).

YEARHIGHLOWRAIN
2025 21.9° 17.4° 10.9 mm
2024 25.9° 16.7° 0 mm
2023 32.1° 16.2° 0 mm
2022 32.4° 19.7° 0.2 mm
2021 26° 16.4° 0 mm
2020 23.9° 15.6° 1.4 mm
2019 25.7° 15.2° 0.1 mm
2018 30.2° 23.2° 4.2 mm
2017 24.9° 17.3° 4.1 mm
2016 26.8° 14.2° 0 mm
2015 31.6° 20.6° 0.1 mm
2014 25.3° 18° 7.5 mm
2013 27.6° 18.9° 4.9 mm
2012 34.4° 20.6° 0 mm
2011 35.4° 24.4° 0 mm
2010 26.3° 19.3° 0.6 mm
2009 22.2° 9.4° 3.5 mm
2008 32.3° 20.5° 0 mm
2007 28.6° 15.4° 0 mm
2006 25.8° 15.7° 0 mm
2005 27.5° 11.1° 0 mm
2004 31.6° 18° 0 mm
2003 24.3° 13.7° 0 mm
2002 31.5° 19.7° 0 mm
2001 26° 14° 0 mm
2000 31° 18.9° 0 mm
1999 34.2° 21.6° 0 mm
1998 26° 16.7° 13.3 mm
1997 32.8° 21° 0 mm
1996 27.3° 16.9° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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