September 1 in Washington, through the years

Typical high: 29.6°. Hottest: 38.5° (2011). Coldest night: 12.5° (2009).

YEARHIGHLOWRAIN
2025 22.3° 18.3° 16.7 mm
2024 28.5° 15.3° 0 mm
2023 34.3° 17.3° 0 mm
2022 33.3° 19.8° 0 mm
2021 29.1° 19° 0 mm
2020 28.9° 17.9° 0.8 mm
2019 27.2° 18.1° 0 mm
2018 34.3° 22.7° 13 mm
2017 27.1° 16.3° 0.4 mm
2016 26.9° 14° 0 mm
2015 33.1° 21.6° 0 mm
2014 25.3° 17.1° 11.7 mm
2013 29.3° 19° 2.7 mm
2012 32.9° 19.1° 0 mm
2011 38.5° 26.5° 0 mm
2010 27.1° 19.6° 10.9 mm
2009 21.9° 12.5° 0.4 mm
2008 32.5° 21.4° 0 mm
2007 29.8° 16.4° 0 mm
2006 25.5° 17.4° 0 mm
2005 27.4° 13.8° 0 mm
2004 33.4° 18.6° 0 mm
2003 23.8° 14.8° 0 mm
2002 33.9° 20.4° 0 mm
2001 27.2° 15.9° 0 mm
2000 33.6° 18.5° 0 mm
1999 34.3° 22° 0 mm
1998 26.1° 16.8° 0.3 mm
1997 33.5° 21.4° 0 mm
1996 26.2° 18.6° 0.3 mm
Source: ERA5 reanalysis (Copernicus C3S)

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