September 1 in Riverton, through the years

Typical high: 21.7°. Hottest: 28.5° (2022). Coldest night: 7.9° (2000).

YEARHIGHLOWRAIN
2025 25.2° 18.8° 0.3 mm
2024 21.7° 11.5° 0 mm
2023 25.4° 16.2° 0 mm
2022 28.5° 15.7° 0 mm
2021 24.5° 15.8° 0 mm
2020 16.5° 10.4° 0.4 mm
2019 19.7° 10.5° 4.2 mm
2018 23.2° 11.5° 0.2 mm
2017 21.8° 16.1° 12.5 mm
2016 22.1° 12.7° 0 mm
2015 27.2° 15.1° 0 mm
2014 21.5° 12.5° 0.7 mm
2013 19.3° 10.8° 0 mm
2012 23.5° 15.4° 0.4 mm
2011 21.5° 14.8° 13.5 mm
2010 20.5° 10.6° 0.8 mm
2009 23.7° 14.7° 0 mm
2008 15.7° 12.1° 35.2 mm
2007 27° 16.2° 0 mm
2006 20.9° 11.7° 0 mm
2005 15.6° 12.2° 4.2 mm
2004 19.8° 10.3° 0 mm
2003 23.3° 10.5° 2.3 mm
2002 23.4° 16.8° 0 mm
2001 21.8° 12.2° 0.1 mm
2000 14.1° 7.9° 0.2 mm
1999 21° 14.4° 0 mm
1998 18.2° 11.9° 0 mm
1997 18° 9.8° 5.8 mm
1996 26° 17.8° 18.5 mm
Source: ERA5 reanalysis (Copernicus C3S)

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