September 9 in Grand-Halleux, through the years

Typical high: 18.2°. Hottest: 27.3° (2023). Coldest night: 4.8° (2019).

YEARHIGHLOWRAIN
2025 15.3° 10.3° 32.2 mm
2024 16° 12.3° 12.8 mm
2023 27.3° 18° 0 mm
2022 15.2° 11.7° 13.8 mm
2021 20.7° 14.6° 10.7 mm
2020 20.3° 11.9° 0.1 mm
2019 13.7° 4.8° 0 mm
2018 21.4° 10.3° 0 mm
2017 13.2° 8.1° 29.7 mm
2016 21° 0 mm
2015 16.8° 9.2° 0 mm
2014 17.1° 8.2° 0 mm
2013 14.1° 7.5° 10.6 mm
2012 24.9° 12.4° 0 mm
2011 18.6° 12.5° 1.9 mm
2010 15.3° 10.9° 0.9 mm
2009 23° 12.4° 0.2 mm
2008 21.5° 9.2° 1.6 mm
2007 13.5° 8.8° 0.5 mm
2006 19.4° 7.4° 0 mm
2005 20.7° 15.5° 9.9 mm
2004 20.7° 9.7° 0 mm
2003 17.1° 7.2° 0.1 mm
2002 19.7° 13.1° 1.8 mm
2001 8.9° 5.8° 7.4 mm
2000 19° 13.5° 0.1 mm
1999 23.7° 13.3° 0 mm
1998 17.7° 14.2° 3.2 mm
1997 15.3° 9.1° 0.3 mm
1996 15.1° 6.3° 0.1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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