September 3 in Alton, through the years

Typical high: 24.1°. Hottest: 33.9° (1999). Coldest night: 6.9° (2003).

YEARHIGHLOWRAIN
2025 24.4° 10.6° 0 mm
2024 21.1° 7.4° 0 mm
2023 26.6° 14.7° 0.2 mm
2022 24.3° 8.6° 0 mm
2021 20° 13.4° 4 mm
2020 26.3° 17.1° 2.4 mm
2019 21° 14.7° 0.1 mm
2018 30.1° 18.2° 0.2 mm
2017 17.2° 7.9° 9 mm
2016 22.9° 9.8° 0 mm
2015 28.9° 15° 0 mm
2014 27.4° 15.7° 4.8 mm
2013 25.5° 17.3° 6.7 mm
2012 23.5° 10.2° 0 mm
2011 25.1° 11.8° 1.3 mm
2010 31.9° 20.3° 0 mm
2009 26.2° 11.4° 0 mm
2008 24.7° 11.7° 0.2 mm
2007 27.7° 10.8° 0 mm
2006 20° 9.3° 5.2 mm
2005 24.4° 14.4° 0 mm
2004 23.7° 0 mm
2003 21.8° 6.9° 0 mm
2002 19.8° 12.1° 9.3 mm
2001 22.7° 6.9° 0 mm
2000 20.4° 13.3° 1.8 mm
1999 33.9° 14.8° 0 mm
1998 22.3° 13.1° 1.4 mm
1997 19.8° 10.5° 12.2 mm
1996 20.5° 13.3° 10.1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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