September 9 in Waterloo, through the years

Typical high: 15.6°. Hottest: 23.2° (2013). Coldest night: -1.7° (2003).

YEARHIGHLOWRAIN
2025 17.8° 9.5° 1.1 mm
2024 17.2° 5.6° 0 mm
2023 13.4° -0.9° 0 mm
2022 15.1° 7.3° 11.5 mm
2021 19.6° 2.1° 0 mm
2020 19.2° 4.1° 2.7 mm
2019 9.8° 2.8° 0 mm
2018 16.5° 3.8° 0 mm
2017 15.3° -1° 0 mm
2016 17.4° 5.9° 0.4 mm
2015 14.8° 1.3° 0 mm
2014 19° 3.5° 0 mm
2013 23.2° 10° 0 mm
2012 17.7° -0.9° 0 mm
2011 9.2° 2.1° 17.4 mm
2010 15.4° 1.4° 5.1 mm
2009 12.8° 1.2° 0 mm
2008 14.9° -0.3° 0.1 mm
2007 13° 4.1° 0 mm
2006 12.7° 1.2° 2.6 mm
2005 20.7° 3.3° 0 mm
2004 11.6° 4.4° 13.4 mm
2003 16.5° -1.7° 0 mm
2002 17.3° 2.4° 0 mm
2001 13.6° 4.6° 0 mm
2000 14.4° 4.1° 0 mm
1999 17° 2.8° 0 mm
1998 11.6° 4.3° 0 mm
1997 17.5° 2.5° 0 mm
1996 14.6° 2.6° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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