September 3 in Sion, through the years

Typical high: 26.6°. Hottest: 34° (2005). Coldest night: 10.2° (2001).

YEARHIGHLOWRAIN
2025 31° 14.3° 0 mm
2024 20.6° 17.3° 25.9 mm
2023 30.2° 16.1° 0 mm
2022 27.7° 18.5° 0.2 mm
2021 24.8° 15.9° 9.5 mm
2020 28.4° 12.8° 0 mm
2019 26.8° 10.9° 0 mm
2018 29.7° 11.6° 0 mm
2017 24.6° 10.9° 0 mm
2016 32.3° 16.1° 0 mm
2015 22.6° 15.1° 2.8 mm
2014 29° 11.5° 0 mm
2013 30.6° 11.1° 0 mm
2012 24.3° 12.7° 0 mm
2011 24.6° 18.7° 23.6 mm
2010 28.8° 15.9° 0 mm
2009 23.3° 16.9° 0 mm
2008 25.2° 17.6° 0.7 mm
2007 25.3° 14° 0 mm
2006 30.4° 14.2° 0 mm
2005 34° 19° 0 mm
2004 27.6° 16.9° 0.1 mm
2003 24° 10.6° 0 mm
2002 25.8° 14° 7.2 mm
2001 26.9° 10.2° 0.4 mm
2000 21.1° 15.6° 0.8 mm
1999 26.6° 18.6° 0 mm
1998 26.2° 18.3° 0.7 mm
1997 24.6° 10.9° 0 mm
1996 21° 10.4° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

Full Sion forecast → · Will it rain today?