September 1 in Riverside, through the years

Typical high: 31.6°. Hottest: 40.4° (2011). Coldest night: 14.2° (2009).

YEARHIGHLOWRAIN
2025 26.3° 18.6° 12.6 mm
2024 31.8° 17.1° 0 mm
2023 36.2° 19.1° 0 mm
2022 33.6° 17.5° 0 mm
2021 35.9° 22.2° 0 mm
2020 29.1° 20.6° 8.9 mm
2019 29.6° 18.6° 0 mm
2018 35.3° 23.3° 0 mm
2017 27.5° 14.9° 0 mm
2016 28.2° 20.2° 0 mm
2015 34° 20.6° 0 mm
2014 33.6° 19.9° 0.4 mm
2013 31.5° 22.7° 0.1 mm
2012 34.7° 21.7° 0 mm
2011 40.4° 27.2° 0 mm
2010 28.5° 22.6° 17.7 mm
2009 25.5° 14.2° 1.8 mm
2008 32.9° 21.6° 0 mm
2007 31.7° 16.7° 0 mm
2006 27.7° 18.6° 7.6 mm
2005 29.9° 18.4° 1.5 mm
2004 29.7° 17.1° 0 mm
2003 22.8° 17° 0 mm
2002 33.2° 20.6° 0 mm
2001 29.7° 17° 0 mm
2000 38.4° 22.3° 0 mm
1999 34.5° 21.3° 0 mm
1998 33.5° 21° 0 mm
1997 34° 21.7° 0.2 mm
1996 27° 19.1° 0.2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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