September 1 in Riverside, through the years

Typical high: 20.9°. Hottest: 28.4° (2010). Coldest night: 8.2° (2002).

YEARHIGHLOWRAIN
2025 21.7° 13.1° 0 mm
2024 23.5° 16.9° 0.1 mm
2023 18.2° 9.1° 0 mm
2022 25.5° 17.6° 14.1 mm
2021 24.2° 15.9° 0.1 mm
2020 18.5° 0 mm
2019 18.5° 11.7° 0 mm
2018 19.8° 12.2° 0.2 mm
2017 17.3° 9.1° 7 mm
2016 20.3° 16.3° 20 mm
2015 17.4° 13.2° 2.4 mm
2014 21.6° 17.9° 4.9 mm
2013 20.6° 16.1° 13.7 mm
2012 18.4° 13° 1 mm
2011 21.1° 12.6° 0 mm
2010 28.4° 17.1° 0.1 mm
2009 16.9° 12.1° 0 mm
2008 19.1° 14.9° 15.6 mm
2007 19.3° 15.2° 61.9 mm
2006 16.4° 12.9° 0 mm
2005 24.4° 20.8° 10.4 mm
2004 19.7° 15.7° 0.3 mm
2003 20.4° 11.4° 0 mm
2002 20° 8.2° 0 mm
2001 22.4° 17.6° 10.8 mm
2000 25.3° 15° 0.8 mm
1999 24° 12.5° 0 mm
1998 20.7° 15.4° 0 mm
1997 19.7° 11.1° 0.4 mm
1996 22.4° 14.9° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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