September 4 in La Mesa, through the years

Typical high: 29.9°. Hottest: 31.7° (1998). Coldest night: 22.7° (1996).

YEARHIGHLOWRAIN
2025 30.2° 25° 4.5 mm
2024 31.6° 25.4° 0.8 mm
2023 30.9° 25.1° 8.4 mm
2022 30.3° 25.7° 19.9 mm
2021 29.9° 24.2° 1.6 mm
2020 31.2° 26° 3.5 mm
2019 29.8° 25.2° 7.4 mm
2018 30.8° 24.6° 1 mm
2017 27.5° 24.3° 16.8 mm
2016 30.3° 24.7° 13.4 mm
2015 29° 24.7° 9.4 mm
2014 28.2° 23.5° 30.3 mm
2013 28.3° 23.6° 16.9 mm
2012 30.9° 24° 0 mm
2011 29.2° 23.2° 12.5 mm
2010 28.7° 24.4° 8.9 mm
2009 30.6° 25.5° 1.1 mm
2008 30.4° 24.5° 11.3 mm
2007 29.3° 23.7° 4.6 mm
2006 29.3° 24.7° 3.1 mm
2005 29.3° 23.9° 4.6 mm
2004 29.9° 24.3° 1.8 mm
2003 29.7° 24.2° 0.7 mm
2002 29.9° 23.7° 17.7 mm
2001 29.7° 24.4° 0 mm
2000 29.1° 23.4° 3.3 mm
1999 29.4° 25.1° 10.8 mm
1998 31.7° 25.6° 2.2 mm
1997 31.6° 25° 2.2 mm
1996 28.9° 22.7° 0.1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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