September 9 in Koto, through the years

Typical high: 27.9°. Hottest: 30.2° (1998). Coldest night: 22.4° (1999).

YEARHIGHLOWRAIN
2025 28.4° 23.6° 8.4 mm
2024 28.6° 24.4° 11.9 mm
2023 28.5° 24.1° 19 mm
2022 29.5° 23.9° 8.7 mm
2021 29.7° 24.3° 4.5 mm
2020 28.9° 23.9° 5 mm
2019 26.7° 23° 30.1 mm
2018 27.2° 23.9° 15.7 mm
2017 29.6° 23.7° 1.4 mm
2016 27° 23.9° 27.9 mm
2015 26° 23.6° 2.9 mm
2014 27.5° 23.4° 12.3 mm
2013 27.8° 23.2° 5.1 mm
2012 27.5° 23.2° 7.3 mm
2011 27° 23.1° 5.8 mm
2010 27.5° 23.6° 35.6 mm
2009 29° 23.5° 8.9 mm
2008 29.4° 23.8° 12.2 mm
2007 25.8° 23.3° 7.6 mm
2006 25.5° 22.7° 21.7 mm
2005 29.2° 23.4° 5.6 mm
2004 28.1° 22.8° 10.6 mm
2003 27.7° 23° 10.1 mm
2002 28.8° 23° 10.4 mm
2001 26° 23° 6.6 mm
2000 27.9° 23.3° 10.7 mm
1999 25.5° 22.4° 20.8 mm
1998 30.2° 23.9° 4.1 mm
1997 27.7° 23.8° 1.4 mm
1996 28.1° 23.7° 14.9 mm
Source: ERA5 reanalysis (Copernicus C3S)

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