September 11 in San Francisco, through the years

Typical high: 30.3°. Hottest: 32.5° (2024). Coldest night: 19.8° (1996).

YEARHIGHLOWRAIN
2025 28.7° 21° 13.2 mm
2024 32.5° 23.4° 6.4 mm
2023 29.7° 21.7° 8.5 mm
2022 29.9° 21.7° 9.8 mm
2021 31.7° 21.9° 5.4 mm
2020 29.9° 21.2° 4 mm
2019 30.4° 21.2° 2.2 mm
2018 30.6° 21.4° 19.4 mm
2017 30.5° 22.2° 11.1 mm
2016 31.4° 21.8° 4 mm
2015 32° 22.6° 2.1 mm
2014 29.8° 20.6° 12.6 mm
2013 28.3° 20.9° 11.9 mm
2012 31.2° 20.7° 0 mm
2011 29.3° 20.6° 20.7 mm
2010 29.6° 20.9° 5.5 mm
2009 31.4° 21.3° 5.7 mm
2008 31.9° 21.4° 2.3 mm
2007 28.7° 20.8° 16.2 mm
2006 30.6° 21.8° 5 mm
2005 28.2° 19.9° 8.6 mm
2004 31.1° 21° 1.9 mm
2003 28.7° 20.8° 17.8 mm
2002 32.4° 21.4° 0.4 mm
2001 31.2° 20.9° 1.5 mm
2000 28.8° 19.9° 3.7 mm
1999 28.6° 20.8° 21.6 mm
1998 31.9° 22.4° 7.6 mm
1997 29.7° 20.5° 1.9 mm
1996 29.4° 19.8° 4.5 mm
Source: ERA5 reanalysis (Copernicus C3S)

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