September 9 in San Bernardino, through the years

Typical high: 30.5°. Hottest: 32.5° (2024). Coldest night: 24.5° (1999).

YEARHIGHLOWRAIN
2025 28.5° 25.4° 13.5 mm
2024 32.5° 26.9° 1.4 mm
2023 32.4° 26.2° 1.4 mm
2022 29.4° 25.9° 15.7 mm
2021 30.8° 25.8° 8.4 mm
2020 31.1° 26.1° 11.2 mm
2019 31.7° 26.8° 2.6 mm
2018 31° 26.1° 8.3 mm
2017 31.3° 26.4° 2.2 mm
2016 30.7° 25.9° 11.2 mm
2015 31.8° 25.8° 6 mm
2014 27.8° 25° 25.8 mm
2013 29.6° 25.3° 24.8 mm
2012 30.8° 26.3° 12.2 mm
2011 28.8° 25.5° 28.5 mm
2010 31.5° 25.6° 1.8 mm
2009 29° 26° 0.8 mm
2008 29.6° 25.4° 15.5 mm
2007 31.5° 25.8° 9.5 mm
2006 29.6° 25.4° 6.5 mm
2005 30.4° 25.7° 3.7 mm
2004 31.7° 25.1° 1.4 mm
2003 31.6° 26.1° 0.4 mm
2002 30.5° 26° 6.5 mm
2001 32° 25.9° 0 mm
2000 28.7° 24.9° 9.4 mm
1999 29.3° 24.5° 11.6 mm
1998 31.5° 26.5° 2.5 mm
1997 30.5° 25.9° 2.4 mm
1996 28.7° 25.1° 20.3 mm
Source: ERA5 reanalysis (Copernicus C3S)

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