September 3 in Alton, through the years

Typical high: 24.6°. Hottest: 29.3° (2023). Coldest night: 7.1° (2024).

YEARHIGHLOWRAIN
2025 25.4° 9.2° 0.2 mm
2024 22° 7.1° 0 mm
2023 29.3° 16.9° 0 mm
2022 29.3° 15.5° 0.6 mm
2021 21.7° 9.4° 0 mm
2020 26.4° 11.3° 2 mm
2019 22.1° 10.3° 5.5 mm
2018 28.2° 19.6° 4.5 mm
2017 19.2° 13.2° 11.5 mm
2016 23.1° 9.3° 0 mm
2015 28.3° 18.9° 9.7 mm
2014 25.9° 13.8° 0 mm
2013 20° 12.7° 0.1 mm
2012 27.4° 14.5° 0 mm
2011 29° 20.3° 3.8 mm
2010 23° 15.3° 7.7 mm
2009 23.6° 8.5° 0 mm
2008 29° 13.1° 0 mm
2007 27.8° 14.1° 0.6 mm
2006 16.9° 10.8° 3.6 mm
2005 23.1° 14.1° 0 mm
2004 26.7° 12.7° 0 mm
2003 23.6° 12.5° 0 mm
2002 27.6° 17.7° 3 mm
2001 25.7° 12.8° 0 mm
2000 22° 17.5° 2.5 mm
1999 29° 13.3° 0 mm
1998 20.1° 11.1° 0.1 mm
1997 14.7° 0 mm
1996 27.1° 13.2° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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