September 4 in San Juan, through the years

Typical high: 20.9°. Hottest: 35.1° (2004). Coldest night: 2.4° (1996).

YEARHIGHLOWRAIN
2025 15.1° 0 mm
2024 16.9° 11.1° 17.9 mm
2023 15.8° 11.6° 17.8 mm
2022 18.7° 3.5° 0 mm
2021 21.3° 13.6° 0.4 mm
2020 21° 6.1° 0 mm
2019 15.9° 4.7° 0 mm
2018 20.1° 7.3° 0 mm
2017 25.5° 12.9° 33.4 mm
2016 11.1° 8.1° 0.1 mm
2015 19.9° 0 mm
2014 19.4° 14.9° 32.6 mm
2013 19.8° 6.5° 0 mm
2012 29.9° 13.9° 0 mm
2011 29.6° 17° 1.8 mm
2010 14.5° 6.6° 0 mm
2009 21.6° 13.5° 1.6 mm
2008 12.2° 10° 0 mm
2007 32.3° 21.1° 0 mm
2006 13.9° 3.6° 0 mm
2005 18.9° 8.8° 0 mm
2004 35.1° 18.7° 0 mm
2003 30.8° 19.7° 0 mm
2002 23.1° 8.1° 0 mm
2001 16.7° 14.1° 3.9 mm
2000 23.5° 6.4° 0 mm
1999 19.1° 17.1° 21.3 mm
1998 18.3° 11° 0 mm
1997 27.1° 19.8° 0.5 mm
1996 18.6° 2.4° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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