September 1 in Mount Vernon, through the years

Typical high: 33.8°. Hottest: 40.2° (2000). Coldest night: 18.4° (2004).

YEARHIGHLOWRAIN
2025 31.1° 21.8° 3.7 mm
2024 31.7° 24° 9.6 mm
2023 36° 21.3° 0 mm
2022 33.4° 23.7° 4.3 mm
2021 38° 26.1° 4.4 mm
2020 35.7° 26.9° 1.5 mm
2019 37.1° 22.6° 0 mm
2018 35.1° 24.3° 4.5 mm
2017 31.9° 20° 0 mm
2016 33.5° 24.3° 0 mm
2015 31.9° 20.7° 3.3 mm
2014 33.4° 23.7° 0 mm
2013 37.4° 24° 0.7 mm
2012 35.3° 26.1° 0.2 mm
2011 37.1° 23.8° 0 mm
2010 36.2° 24.9° 0.1 mm
2009 30.7° 19.7° 0 mm
2008 32.5° 24.6° 4.4 mm
2007 34.6° 22.7° 0 mm
2006 36° 20.1° 0 mm
2005 35.8° 23.3° 0 mm
2004 32.6° 18.4° 0 mm
2003 28.6° 23° 2 mm
2002 35° 22.3° 0 mm
2001 26.8° 22.5° 24.5 mm
2000 40.2° 24.9° 0 mm
1999 31° 22.6° 2.2 mm
1998 35.9° 22.8° 0.1 mm
1997 33.8° 22.5° 2.7 mm
1996 26.3° 20.3° 0.6 mm
Source: ERA5 reanalysis (Copernicus C3S)

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