September 11 in Chelsea, through the years

Typical high: 20.4°. Hottest: 27.8° (2021). Coldest night: (2019).

YEARHIGHLOWRAIN
2025 14.4° 8.3° 0.2 mm
2024 25.1° 5.7° 0 mm
2023 20.9° 2.7° 0 mm
2022 16.2° 0 mm
2021 27.8° 9.2° 0 mm
2020 20.7° 6.1° 0 mm
2019 22.2° 0 mm
2018 27.4° 7.3° 0 mm
2017 24.6° 3.7° 0 mm
2016 16.5° 5.6° 0 mm
2015 22° 4.7° 0 mm
2014 22.6° 0 mm
2013 22.2° 3.6° 0 mm
2012 23.9° 0 mm
2011 14.9° 4.9° 0.8 mm
2010 18.6° 4.5° 0 mm
2009 24.2° 2.3° 0 mm
2008 21.1° 2.8° 0 mm
2007 17.6° 10° 0 mm
2006 19.1° 5.1° 0 mm
2005 16.5° 7.4° 5.7 mm
2004 16.7° 6.9° 0 mm
2003 23.4° 0 mm
2002 17.1° 2.3° 0 mm
2001 22.8° 11.2° 13.9 mm
2000 18.8° 3.4° 0 mm
1999 18.4° 3.5° 0 mm
1998 17.3° 13.1° 7.7 mm
1997 19° 0 mm
1996 20.9° 3.1° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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