September 1 in Boulogne, through the years

Typical high: 23.4°. Hottest: 31.7° (2010). Coldest night: 5.8° (2009).

YEARHIGHLOWRAIN
2025 26.3° 9.1° 0 mm
2024 25.4° 14.4° 3.2 mm
2023 22.5° 7.6° 0 mm
2022 16.5° 10.8° 0.1 mm
2021 21.9° 13° 0 mm
2020 21.5° 10.9° 0 mm
2019 21.6° 7.5° 0 mm
2018 26° 16.6° 0.2 mm
2017 16.1° 7.6° 0 mm
2016 22° 13.7° 0.1 mm
2015 25.5° 11.6° 0 mm
2014 25.4° 17.9° 0.5 mm
2013 25.7° 17.1° 0 mm
2012 22.9° 10° 0 mm
2011 25° 11.7° 0 mm
2010 31.7° 22° 0 mm
2009 21.4° 5.8° 0 mm
2008 26.8° 10.8° 0 mm
2007 19.9° 0 mm
2006 22.2° 8.7° 0 mm
2005 24.3° 17.3° 1.4 mm
2004 20.9° 9.9° 0 mm
2003 22.2° 12.7° 0.3 mm
2002 25.1° 13.5° 0 mm
2001 18.2° 9.8° 1.9 mm
2000 26.3° 15° 1 mm
1999 27.7° 7.7° 0 mm
1998 20.4° 11.1° 0 mm
1997 24.6° 16.5° 1.8 mm
1996 26.4° 14.7° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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