September 1 in Lake Arrowhead, through the years

Typical high: 31°. Hottest: 35.3° (2018). Coldest night: 14.8° (1999).

YEARHIGHLOWRAIN
2025 27.5° 19° 0 mm
2024 34.3° 22.6° 0 mm
2023 26.9° 23.1° 0.2 mm
2022 33.1° 22.8° 5.8 mm
2021 31.7° 23° 1.4 mm
2020 34.6° 24.2° 1.1 mm
2019 31° 22.6° 3.6 mm
2018 35.3° 22.8° 0.7 mm
2017 32° 23.1° 1.1 mm
2016 33.9° 22.4° 0.2 mm
2015 31.9° 21.1° 0 mm
2014 34.8° 23.2° 5.3 mm
2013 32° 22.4° 0 mm
2012 32.8° 22.7° 1.6 mm
2011 35.3° 21.5° 0 mm
2010 33° 18.8° 0 mm
2009 24.4° 21.7° 1 mm
2008 30.2° 24.4° 2.9 mm
2007 25.1° 21.1° 28.1 mm
2006 30.3° 22.4° 3 mm
2005 32.7° 21.2° 0 mm
2004 31.2° 21.7° 31.4 mm
2003 31.3° 22.5° 0.1 mm
2002 26.6° 20.7° 0.2 mm
2001 29.5° 21.8° 4.4 mm
2000 29.6° 21.5° 9 mm
1999 30.3° 14.8° 0 mm
1998 32.6° 22.3° 0.2 mm
1997 32.3° 21.2° 4.3 mm
1996 22.5° 20.1° 21.9 mm
Source: ERA5 reanalysis (Copernicus C3S)

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