September 11 in Fairfax, through the years

Typical high: 20.3°. Hottest: 25.3° (2021). Coldest night: 0.1° (2000).

YEARHIGHLOWRAIN
2025 12.4° 6.6° 1.5 mm
2024 24.5° 8.4° 5 mm
2023 20.6° 3.3° 0 mm
2022 17.6° 6.2° 0.2 mm
2021 25.3° 4.8° 0 mm
2020 19.9° 5.9° 0 mm
2019 21.2° 2.3° 0 mm
2018 24.5° 7.6° 0 mm
2017 23.3° 2.4° 0 mm
2016 18.3° 5.8° 0 mm
2015 21.3° 5.4° 0 mm
2014 22° 6.3° 0 mm
2013 25.2° 7.9° 0 mm
2012 23.7° 6.6° 0 mm
2011 14.7° 2.2° 0 mm
2010 17.9° 4.7° 0 mm
2009 22.1° 2.3° 0 mm
2008 18.6° 0 mm
2007 21.3° 8.1° 0 mm
2006 16.1° 6.7° 0 mm
2005 18.9° 8.8° 5.8 mm
2004 19.7° 3.1° 0 mm
2003 24.2° 6.6° 0 mm
2002 16.1° 1.3° 0.4 mm
2001 21.7° 5.3° 2.2 mm
2000 20° 0.1° 0 mm
1999 16.6° 3.7° 0 mm
1998 17.8° 12.8° 17.6 mm
1997 19.4° 0 mm
1996 22.7° 2.3° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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