September 9 in San Francisco, through the years

Typical high: 34.3°. Hottest: 38° (2021). Coldest night: 18.5° (1996).

YEARHIGHLOWRAIN
2025 34.6° 22.7° 0.8 mm
2024 36.2° 22.5° 0 mm
2023 37.8° 23° 0.4 mm
2022 35.9° 23.2° 0.3 mm
2021 38° 23.9° 6.5 mm
2020 35.3° 21.6° 0.1 mm
2019 34.7° 22.7° 0 mm
2018 36.5° 21.5° 0 mm
2017 34.3° 23.2° 2.4 mm
2016 35.3° 19.8° 0 mm
2015 34.4° 24° 0 mm
2014 34.9° 22.6° 0.4 mm
2013 32.8° 22.1° 8.2 mm
2012 33.6° 22.3° 8.3 mm
2011 29° 21.7° 11.1 mm
2010 37.1° 19.7° 0 mm
2009 36.3° 24.5° 0 mm
2008 35.2° 19.9° 0.2 mm
2007 34.2° 22° 0.3 mm
2006 35.7° 21.9° 2 mm
2005 34.9° 22.4° 0 mm
2004 33.4° 22.4° 1.7 mm
2003 26.4° 18.6° 13.9 mm
2002 32.4° 21.9° 2.3 mm
2001 33.2° 23.9° 0.6 mm
2000 35.7° 24.8° 0.3 mm
1999 34.4° 24.4° 2.5 mm
1998 28.2° 22.5° 7.9 mm
1997 36.4° 25.3° 0.1 mm
1996 33.6° 18.5° 6.7 mm
Source: ERA5 reanalysis (Copernicus C3S)

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