September 8 in San Mateo, through the years

Typical high: 31.9°. Hottest: 36° (1998). Coldest night: 22.8° (1998).

YEARHIGHLOWRAIN
2025 29.8° 24.7° 16.5 mm
2024 34.7° 25.6° 14.6 mm
2023 31.3° 24.1° 3.5 mm
2022 32.9° 25.9° 9 mm
2021 31.9° 24.2° 16.5 mm
2020 34.8° 25.6° 2.3 mm
2019 33.5° 24.6° 0 mm
2018 34.1° 24.3° 0.8 mm
2017 33.2° 25° 2.7 mm
2016 30° 24.4° 10.8 mm
2015 29.8° 24.4° 6 mm
2014 28.1° 24.4° 14.3 mm
2013 30.9° 24.8° 16.8 mm
2012 29.7° 24.4° 81.4 mm
2011 30.7° 25° 0.7 mm
2010 34.4° 24.7° 2.4 mm
2009 32.9° 24.6° 0 mm
2008 34° 24.2° 6.7 mm
2007 32.2° 24.7° 7.3 mm
2006 34.4° 25.8° 1.8 mm
2005 29° 24.8° 9.3 mm
2004 31.9° 23° 8.2 mm
2003 30.1° 23.7° 4.8 mm
2002 31.1° 24.9° 5.2 mm
2001 31.5° 22.9° 2.6 mm
2000 31.7° 24.2° 0.8 mm
1999 29.8° 23° 3.5 mm
1998 36° 22.8° 0 mm
1997 32.7° 23.3° 2.9 mm
1996 31° 23.1° 4.3 mm
Source: ERA5 reanalysis (Copernicus C3S)

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