September 1 in Saint-M'Hervon, through the years

Typical high: 21.6°. Hottest: 25.7° (2018). Coldest night: 8.2° (2004).

YEARHIGHLOWRAIN
2025 19.5° 12.9° 2.3 mm
2024 21.9° 17.7° 4.9 mm
2023 22° 16.9° 5.5 mm
2022 23.8° 16.6° 9.9 mm
2021 22.2° 13.4° 0 mm
2020 21° 8.6° 0 mm
2019 19.6° 11.1° 0 mm
2018 25.7° 11° 0 mm
2017 17.9° 10.6° 3.5 mm
2016 23.9° 13° 0 mm
2015 19.2° 12° 0.2 mm
2014 22.9° 11.3° 0 mm
2013 20.8° 10° 0 mm
2012 18.4° 11° 0.1 mm
2011 24.3° 13.8° 0.1 mm
2010 22.7° 9.9° 0 mm
2009 21.6° 14.2° 0 mm
2008 20.6° 11.6° 1 mm
2007 19.9° 13.4° 0 mm
2006 24.8° 11.4° 0 mm
2005 23.3° 15.8° 0.7 mm
2004 22.7° 8.2° 0 mm
2003 20.6° 8.8° 0 mm
2002 20.9° 9.6° 0 mm
2001 20.2° 11.5° 0.2 mm
2000 19.4° 12° 2.2 mm
1999 22.4° 10.7° 0 mm
1998 25.1° 16.2° 1.3 mm
1997 20° 10.8° 0 mm
1996 20.6° 8.5° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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