September 8 in Siena, through the years

Typical high: 28.3°. Hottest: 31.3° (2021). Coldest night: 21.4° (2007).

YEARHIGHLOWRAIN
2025 25.6° 23.1° 50.4 mm
2024 28.6° 22.8° 12.1 mm
2023 28.8° 23.7° 1.9 mm
2022 28.3° 22.9° 19.3 mm
2021 31.3° 22.3° 0.2 mm
2020 28.2° 22.8° 6.9 mm
2019 26.8° 23.4° 20.5 mm
2018 29° 22.8° 21.7 mm
2017 27.3° 22.9° 20.9 mm
2016 25.1° 23.1° 6.4 mm
2015 30.6° 22.5° 4 mm
2014 28° 22.2° 11.8 mm
2013 24.6° 22.3° 17.1 mm
2012 29.3° 21.9° 8.6 mm
2011 30° 22° 17 mm
2010 28.6° 21.6° 9.7 mm
2009 27.5° 22.2° 14.3 mm
2008 27.5° 22.4° 22.8 mm
2007 29.3° 21.4° 15.5 mm
2006 28.5° 22.1° 9.6 mm
2005 29.1° 22.6° 10 mm
2004 28.7° 22.2° 14.3 mm
2003 29.7° 22.3° 7.4 mm
2002 27.5° 21.8° 12.6 mm
2001 27.9° 22.8° 1.9 mm
2000 27.8° 23.2° 9.7 mm
1999 29.4° 22.6° 10.1 mm
1998 26.3° 22.9° 20.9 mm
1997 29.9° 21.9° 3.6 mm
1996 29.7° 21.8° 2.7 mm
Source: ERA5 reanalysis (Copernicus C3S)

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