September 1 in Castel Gandolfo, through the years

Typical high: 27.5°. Hottest: 33.2° (2024). Coldest night: 12.4° (2010).

YEARHIGHLOWRAIN
2025 28.7° 17.2° 0 mm
2024 33.2° 22.9° 0 mm
2023 26.6° 16.3° 0 mm
2022 27.2° 20.6° 2.7 mm
2021 28.9° 16.2° 0 mm
2020 25.2° 13.3° 0 mm
2019 29° 20.3° 6.3 mm
2018 26.1° 20.1° 4.2 mm
2017 26.1° 22.2° 5.2 mm
2016 29.1° 17.9° 0.2 mm
2015 32.1° 19.7° 0 mm
2014 21.9° 16.6° 19.7 mm
2013 26.3° 16.7° 0 mm
2012 23.5° 18.5° 0 mm
2011 30.1° 17.9° 0 mm
2010 26° 12.4° 0 mm
2009 30.1° 20.2° 0.2 mm
2008 29.8° 17.8° 1.3 mm
2007 28.9° 16.8° 0 mm
2006 26.3° 12.6° 0 mm
2005 28.4° 18° 0.1 mm
2004 27° 18.6° 0 mm
2003 28.6° 21° 0.8 mm
2002 26° 15.9° 1.7 mm
2001 26° 18.8° 4.8 mm
2000 27° 17.8° 2.9 mm
1999 27.6° 16.8° 0 mm
1998 26.6° 15.8° 0 mm
1997 28.8° 15.8° 0 mm
1996 25.3° 13.7° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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