September 4 in Waterloo, through the years

Typical high: 15.9°. Hottest: 26.4° (2013). Coldest night: 0.5° (2018).

YEARHIGHLOWRAIN
2025 14.5° 5.4° 0 mm
2024 24.3° 9.4° 0 mm
2023 18.3° 5.5° 1.6 mm
2022 13.3° 4.7° 0 mm
2021 11.2° 4.1° 2.4 mm
2020 16.2° 5.9° 0 mm
2019 21.1° 10.7° 0.5 mm
2018 15.1° 0.5° 0 mm
2017 10.9° 6.2° 4.9 mm
2016 13.7° 5.2° 0 mm
2015 12.2° 3.7° 0 mm
2014 13° 6.2° 2.6 mm
2013 26.4° 15.7° 0 mm
2012 24.6° 12° 0 mm
2011 15.8° 0.6 mm
2010 13.6° 7.6° 16.6 mm
2009 13.1° 6.3° 1.1 mm
2008 14.7° 3.1° 0 mm
2007 14.6° 2.7° 0 mm
2006 15.9° 6.5° 0 mm
2005 13.5° 6.1° 0 mm
2004 11.8° 4.2° 0 mm
2003 18.4° 4.1° 0 mm
2002 14.8° 5.3° 1.2 mm
2001 12.8° 3.3° 0 mm
2000 17.8° 7.9° 0 mm
1999 15.2° 9.2° 5.6 mm
1998 18.3° 6.5° 1.4 mm
1997 14.9° 5.7° 5.3 mm
1996 15.7° 7.4° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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