September 4 in San Isidro, through the years

Typical high: 18.5°. Hottest: 20.8° (2002). Coldest night: 7.6° (2011).

YEARHIGHLOWRAIN
2025 17.7° 8.8° 8.8 mm
2024 20.1° 9.1° 1.6 mm
2023 19.1° 11.2° 12.5 mm
2022 15.8° 9.8° 11.5 mm
2021 19.6° 10.7° 3.3 mm
2020 17.7° 9.8° 5.2 mm
2019 17.7° 10.6° 6.3 mm
2018 18° 9.3° 1 mm
2017 20° 9.8° 1.9 mm
2016 17.3° 10.7° 17.6 mm
2015 18.2° 10.7° 1.5 mm
2014 18.9° 9.6° 12.3 mm
2013 19.7° 8.1° 0.7 mm
2012 16.2° 8.6° 2.1 mm
2011 18.7° 7.6° 0.8 mm
2010 18° 11° 12 mm
2009 18.2° 10.7° 8.8 mm
2008 18.6° 10.5° 7.8 mm
2007 18.9° 10.1° 1.1 mm
2006 16.7° 10° 6.1 mm
2005 17.7° 10.1° 6.4 mm
2004 19° 0.9 mm
2003 18.7° 8.4° 0.7 mm
2002 20.8° 9.3° 7.2 mm
2001 17.5° 9.3° 11.6 mm
2000 15.6° 10.4° 2.7 mm
1999 20.6° 8.4° 4.7 mm
1998 19.7° 11.6° 8.6 mm
1997 19.8° 10.3° 1.6 mm
1996 20° 11.4° 6.2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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