September 1 in Bethesda, through the years

Typical high: 27.4°. Hottest: 33.9° (2010). Coldest night: 14.9° (2025).

YEARHIGHLOWRAIN
2025 25.3° 14.9° 0 mm
2024 29.5° 22.6° 1.7 mm
2023 25.2° 16.7° 0 mm
2022 30.1° 20° 0 mm
2021 29.2° 20° 35.6 mm
2020 26.3° 20.7° 1.5 mm
2019 26.3° 20.4° 0 mm
2018 26.8° 22.9° 8.3 mm
2017 22° 15.5° 0 mm
2016 26.3° 22.8° 10.3 mm
2015 31.2° 23° 0 mm
2014 31° 24° 4.1 mm
2013 30.9° 23.6° 0.1 mm
2012 31.6° 24.2° 0 mm
2011 26.9° 17.4° 0 mm
2010 33.9° 22.4° 0 mm
2009 23.5° 15° 0 mm
2008 28.8° 18.1° 0 mm
2007 26.7° 18° 0 mm
2006 19.5° 17.8° 56.8 mm
2005 28.8° 21.3° 0 mm
2004 27.5° 19.2° 0 mm
2003 27.8° 21.2° 0.6 mm
2002 20.9° 16.9° 73.8 mm
2001 27.2° 20.4° 0 mm
2000 28.9° 24.2° 3.3 mm
1999 25° 18.4° 0 mm
1998 26.9° 22.2° 0.2 mm
1997 28.8° 21.2° 4.1 mm
1996 28.7° 18.8° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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