September 9 in San Juan, through the years

Typical high: 22.5°. Hottest: 30° (2011). Coldest night: 10.3° (2019).

YEARHIGHLOWRAIN
2025 18.5° 13.9° 2.1 mm
2024 20.1° 15.1° 2.9 mm
2023 28.6° 21.2° 0.2 mm
2022 21.1° 17° 3.7 mm
2021 21.7° 18.6° 6 mm
2020 23.3° 13.9° 0 mm
2019 18.8° 10.3° 0.5 mm
2018 21.9° 18.7° 3.5 mm
2017 17.3° 14° 14.9 mm
2016 21.3° 16.9° 0 mm
2015 23.5° 13.3° 0 mm
2014 24.1° 18.2° 0.3 mm
2013 20.7° 12.3° 0 mm
2012 23° 17° 1.7 mm
2011 30° 15.7° 0 mm
2010 19.7° 16° 1.8 mm
2009 23.2° 18.6° 0 mm
2008 24.3° 18.3° 0.5 mm
2007 20.8° 12.5° 0 mm
2006 26.5° 18.4° 0 mm
2005 24.7° 14.3° 6.9 mm
2004 27.2° 20.8° 20.9 mm
2003 18.1° 15.6° 31.5 mm
2002 19.8° 14.1° 4.4 mm
2001 18.9° 14.7° 2.8 mm
2000 27.8° 17.6° 0 mm
1999 24.1° 18.4° 0 mm
1998 26° 17.2° 0 mm
1997 21.6° 13.7° 0 mm
1996 17.2° 13° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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