September 11 in Portland, through the years

Typical high: 20.1°. Hottest: 29° (1999). Coldest night: 8.5° (2020).

YEARHIGHLOWRAIN
2025 18° 13.2° 8.5 mm
2024 14.2° 9.1° 24.4 mm
2023 25.5° 19.2° 1.1 mm
2022 22.1° 12.5° 0.3 mm
2021 19.8° 16.2° 1.4 mm
2020 20.2° 8.5° 0 mm
2019 17.4° 11.5° 3 mm
2018 23° 15° 0 mm
2017 16.2° 12.6° 1.9 mm
2016 21.6° 17.3° 0.9 mm
2015 19.5° 9.4° 0 mm
2014 20.3° 9.7° 0.1 mm
2013 17.9° 12.9° 1.6 mm
2012 17.2° 12° 1.7 mm
2011 18.9° 15.2° 3 mm
2010 22.5° 14.3° 0 mm
2009 18.7° 10.8° 0 mm
2008 25.8° 15.8° 1.3 mm
2007 17.5° 12.4° 0.4 mm
2006 26.1° 11.1° 0 mm
2005 20.8° 17° 1.9 mm
2004 21.2° 17° 2.8 mm
2003 18.5° 11.3° 0 mm
2002 18° 13.1° 1.3 mm
2001 16.4° 11.5° 0.8 mm
2000 24.8° 14.8° 0 mm
1999 29° 16.4° 0 mm
1998 17.1° 12.7° 2.8 mm
1997 19.3° 8.9° 0 mm
1996 14.8° 10.7° 0.3 mm
Source: ERA5 reanalysis (Copernicus C3S)

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