September 6 in San Juan, through the years

Typical high: 29°. Hottest: 33.8° (2025). Coldest night: 17.8° (2023).

YEARHIGHLOWRAIN
2025 33.8° 20.4° 1.5 mm
2024 31.5° 20.4° 5.6 mm
2023 32° 17.8° 6.9 mm
2022 30.4° 19.2° 10.4 mm
2021 29.8° 19.4° 3.4 mm
2020 26.6° 19.3° 27.8 mm
2019 31.3° 18.8° 0.5 mm
2018 30° 18.8° 0.9 mm
2017 29.6° 20.2° 6.2 mm
2016 29.7° 19.4° 0.7 mm
2015 28.5° 18.5° 21.5 mm
2014 29.1° 20.3° 0.6 mm
2013 28.7° 18.8° 12.4 mm
2012 30.3° 18.2° 8 mm
2011 24.1° 18.7° 11.9 mm
2010 27.4° 20.5° 0.8 mm
2009 30.4° 20.2° 13.8 mm
2008 22.4° 20.1° 161.3 mm
2007 28.6° 18.6° 12.1 mm
2006 29.7° 19.5° 0.8 mm
2005 27.2° 19.4° 2.5 mm
2004 30.6° 19.1° 4 mm
2003 29.6° 19.1° 9.5 mm
2002 30° 18.3° 2.3 mm
2001 28.4° 19.1° 6.7 mm
2000 28.9° 17.9° 0 mm
1999 28.6° 20.3° 6.3 mm
1998 25.1° 19.9° 19.1 mm
1997 28.8° 18.8° 0.8 mm
1996 29.6° 20.1° 4.9 mm
Source: ERA5 reanalysis (Copernicus C3S)

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