September 5 in Willow Grove, through the years

Typical high: 22.8°. Hottest: 30.7° (2018). Coldest night: 5.5° (2000).

YEARHIGHLOWRAIN
2025 20.8° 8.9° 0.1 mm
2024 26° 12.4° 0 mm
2023 30.4° 19.6° 0 mm
2022 21.4° 14.9° 0.1 mm
2021 22.5° 17.2° 2.2 mm
2020 18° 10.2° 0 mm
2019 19.5° 5.7° 0 mm
2018 30.7° 21° 4.2 mm
2017 16.9° 10.1° 6.6 mm
2016 27° 10.1° 0 mm
2015 27.3° 18° 0.3 mm
2014 29.7° 18.2° 11.7 mm
2013 16.5° 5.9° 0 mm
2012 25.2° 14.2° 0 mm
2011 15.6° 10.3° 0 mm
2010 17.1° 9.7° 1.6 mm
2009 23.6° 9.4° 0 mm
2008 22.8° 15.1° 4.9 mm
2007 28.1° 16.5° 0 mm
2006 20.6° 10.7° 0.4 mm
2005 23.6° 10.4° 0 mm
2004 26.2° 17.3° 0.2 mm
2003 19° 10.1° 0 mm
2002 22.3° 13.4° 0 mm
2001 19.9° 7.2° 0 mm
2000 16.4° 5.5° 0 mm
1999 25° 17.7° 0 mm
1998 26.4° 9.1° 0 mm
1997 19.4° 8.6° 0.4 mm
1996 27.5° 13.5° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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