September 11 in San Francisco, through the years

Typical high: 19.8°. Hottest: 28.6° (2023). Coldest night: -2.2° (2003).

YEARHIGHLOWRAIN
2025 18.2° 6.6° 0 mm
2024 23.2° 1.8 mm
2023 28.6° 0 mm
2022 23.1° 3.5° 0 mm
2021 24.6° 1.3° 0 mm
2020 24.9° 8.5° 0.6 mm
2019 23.2° 8.1° 0.5 mm
2018 20.1° 7.8° 0.6 mm
2017 18.1° 6.3° 0.3 mm
2016 26.5° 4.7° 0 mm
2015 15.1° 4.6° 1.7 mm
2014 17.5° 7.2° 1.6 mm
2013 22.6° 6.3° 0 mm
2012 20.7° 6.3° 0 mm
2011 15.9° 2.2° 0 mm
2010 16° 7.6° 1.3 mm
2009 12.9° 0.8° 0 mm
2008 15.6° 5.5° 3.6 mm
2007 22.8° 7.3° 0 mm
2006 24.1° 4.5° 0 mm
2005 10.4° -1.4° 2.7 mm
2004 -0.8° 6.2 mm
2003 18° -2.2° 0 mm
2002 23.8° 7.3° 0.7 mm
2001 14.4° 6.3° 1.9 mm
2000 22.8° 5.4° 0 mm
1999 18.7° 0.6° 0 mm
1998 25.1° 0 mm
1997 18.9° 6.3° 0.2 mm
1996 20.2° 0.2° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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