September 9 in Grand Valley, through the years

Typical high: 21.7°. Hottest: 30.5° (2002). Coldest night: (2025).

YEARHIGHLOWRAIN
2025 22° 0 mm
2024 20.2° 8.8° 1.1 mm
2023 21.1° 15.3° 3.8 mm
2022 25° 12.4° 0 mm
2021 20.1° 12.3° 1.8 mm
2020 27.4° 16.6° 0 mm
2019 21.1° 10.3° 0.9 mm
2018 12.6° 9.6° 33.6 mm
2017 16.1° 7.6° 0 mm
2016 27° 20.6° 3 mm
2015 24.8° 18.5° 8.9 mm
2014 21.8° 14.6° 0.5 mm
2013 22.1° 8.3° 5.5 mm
2012 18.1° 10.8° 0.7 mm
2011 21.9° 17.3° 11 mm
2010 15.4° 11.2° 1 mm
2009 23.1° 14.9° 0 mm
2008 18° 10.5° 5.3 mm
2007 20.7° 18.2° 5.9 mm
2006 23.6° 13.8° 4.5 mm
2005 23° 13° 0.5 mm
2004 19.9° 15.3° 38.4 mm
2003 20.4° 13.6° 0.6 mm
2002 30.5° 13.9° 0 mm
2001 28.2° 18.5° 0 mm
2000 24.4° 17° 0.4 mm
1999 22.6° 15° 4.1 mm
1998 15.2° 8.3° 3 mm
1997 20.5° 12.8° 1 mm
1996 22.8° 14.7° 13.9 mm
Source: ERA5 reanalysis (Copernicus C3S)

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