September 1 in Kusatsu, through the years

Typical high: 25.4°. Hottest: 31.8° (2025). Coldest night: 13.3° (2001).

YEARHIGHLOWRAIN
2025 31.8° 19.3° 0.3 mm
2024 26.5° 19.4° 1.4 mm
2023 31.7° 18.1° 0.6 mm
2022 26.5° 18.1° 11.1 mm
2021 19.3° 15.8° 12.4 mm
2020 25° 18.7° 0 mm
2019 25.6° 17.7° 0 mm
2018 20.2° 17.2° 18.8 mm
2017 23.7° 13.5° 0 mm
2016 26.6° 15.1° 0 mm
2015 20.5° 17.4° 15.7 mm
2014 20.1° 15.8° 16.6 mm
2013 24.7° 18.5° 8.8 mm
2012 24.8° 18.9° 1.1 mm
2011 23.6° 19.3° 25.5 mm
2010 28.9° 20.5° 0.6 mm
2009 24.1° 16.5° 0.5 mm
2008 24.9° 16.4° 5.1 mm
2007 23.2° 16.5° 0.4 mm
2006 20° 15.9° 4.4 mm
2005 28.8° 16.8° 1.9 mm
2004 28.7° 16.7° 0.2 mm
2003 26.3° 18.2° 1.9 mm
2002 30.3° 18.8° 0 mm
2001 22.4° 13.3° 0 mm
2000 29.5° 20.7° 0.3 mm
1999 27.5° 19.2° 2.2 mm
1998 22.8° 18.3° 9.1 mm
1997 29.1° 18.6° 0.5 mm
1996 25.3° 16.6° 0.5 mm
Source: ERA5 reanalysis (Copernicus C3S)

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