September 4 in Mount Wilson, through the years

Typical high: 30.8°. Hottest: 38.1° (2022). Coldest night: 11.6° (2000).

YEARHIGHLOWRAIN
2025 31.8° 19.6° 0 mm
2024 36.5° 21.3° 0 mm
2023 25.3° 13.9° 0 mm
2022 38.1° 25.4° 2.4 mm
2021 33.7° 18.9° 0 mm
2020 36.7° 21.8° 0 mm
2019 34.1° 21.3° 1.1 mm
2018 28.7° 18.3° 0.2 mm
2017 27.5° 20° 0.2 mm
2016 23.6° 14.4° 0 mm
2015 24.6° 14.7° 0 mm
2014 29.2° 18° 0 mm
2013 33.7° 21.4° 0 mm
2012 31.5° 20.6° 0.1 mm
2011 31.1° 20.5° 0 mm
2010 36.4° 22.6° 0 mm
2009 32.5° 22.1° 0 mm
2008 32.6° 20.9° 0 mm
2007 32.1° 21° 0 mm
2006 33.5° 21.3° 0.1 mm
2005 28.4° 14.9° 0 mm
2004 29° 14.3° 0 mm
2003 32.4° 20.6° 0 mm
2002 32.9° 18.9° 0 mm
2001 30.2° 18.4° 0 mm
2000 26° 11.6° 0 mm
1999 26.9° 12.4° 0 mm
1998 24.6° 19.6° 8.5 mm
1997 31.6° 19.5° 0.5 mm
1996 28.6° 17.3° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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