September 4 in Hartford, through the years

Typical high: 25°. Hottest: 32.3° (2018). Coldest night: 7.4° (1997).

YEARHIGHLOWRAIN
2025 19.1° 12.5° 8 mm
2024 25° 9.1° 0 mm
2023 30.3° 20.9° 0 mm
2022 22.6° 19.8° 5.8 mm
2021 24.8° 14° 0.1 mm
2020 23.6° 14.6° 0 mm
2019 23.4° 14.5° 4.8 mm
2018 32.3° 20.5° 1.9 mm
2017 28.4° 14.1° 5.3 mm
2016 26.9° 12.1° 0 mm
2015 29.5° 19.1° 0.3 mm
2014 29° 16.6° 0 mm
2013 24.5° 11.6° 0 mm
2012 24.8° 21.1° 13 mm
2011 26.5° 18.9° 13.6 mm
2010 17.5° 13.7° 0.2 mm
2009 25.1° 11.8° 0 mm
2008 31.3° 16.5° 0 mm
2007 27.7° 14.5° 0 mm
2006 21.4° 11.8° 0 mm
2005 23.1° 12.4° 0 mm
2004 26.5° 17.4° 0.4 mm
2003 23.1° 15.3° 5.1 mm
2002 26.3° 15.6° 0 mm
2001 23.7° 15.6° 0.5 mm
2000 21.8° 13.9° 2.5 mm
1999 26.9° 15.6° 0 mm
1998 24.8° 12.4° 0 mm
1997 18.2° 7.4° 0 mm
1996 23.2° 17.2° 0.2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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