September 4 in Sun Valley, through the years

Typical high: 28.6°. Hottest: 35.7° (2020). Coldest night: 11.3° (1999).

YEARHIGHLOWRAIN
2025 24.1° 14.7° 1.1 mm
2024 33.1° 15° 0 mm
2023 26.8° 16.1° 0 mm
2022 32.6° 18.5° 0 mm
2021 30.5° 15.8° 0 mm
2020 35.7° 15.5° 0 mm
2019 32.3° 17.4° 0 mm
2018 26.5° 12.9° 0.2 mm
2017 32.4° 15° 0.8 mm
2016 27.3° 15.2° 0 mm
2015 24.4° 13.1° 0.8 mm
2014 27.2° 15.5° 0.2 mm
2013 30.1° 16.9° 0 mm
2012 28.7° 17.3° 3 mm
2011 32.1° 16.3° 0 mm
2010 29.7° 15.6° 0 mm
2009 28.5° 16° 1.9 mm
2008 30.4° 12.9° 0 mm
2007 30° 17.6° 0 mm
2006 26.7° 13.4° 6 mm
2005 27.5° 15.5° 0.1 mm
2004 21° 14.2° 10.1 mm
2003 29.2° 16.4° 0.2 mm
2002 31.9° 16.6° 0 mm
2001 30.8° 15.2° 0 mm
2000 29° 12.6° 0 mm
1999 26.5° 11.3° 0 mm
1998 20° 15.3° 13.1 mm
1997 29.1° 16.9° 0 mm
1996 24.6° 15° 3.3 mm
Source: ERA5 reanalysis (Copernicus C3S)

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