September 7 in San Juan, through the years

Typical high: 28.9°. Hottest: 31.7° (2017). Coldest night: 20.1° (1999).

YEARHIGHLOWRAIN
2025 28.5° 22.3° 31.9 mm
2024 28.1° 22.8° 12.5 mm
2023 31.6° 22.9° 20.4 mm
2022 30.7° 22.6° 13.5 mm
2021 28.7° 21.1° 22 mm
2020 29.8° 21.9° 6.3 mm
2019 30.8° 20.6° 12.8 mm
2018 30.2° 20.6° 14.9 mm
2017 31.7° 22° 20.8 mm
2016 29.1° 21.7° 54.2 mm
2015 29.4° 22.6° 3.4 mm
2014 27.9° 22.3° 5.4 mm
2013 29.5° 21.7° 26.6 mm
2012 29.5° 21.7° 45.1 mm
2011 28.4° 21° 9.8 mm
2010 27.4° 22° 34.3 mm
2009 30.6° 22.5° 0 mm
2008 28.1° 20.5° 0.6 mm
2007 28.8° 21.5° 3 mm
2006 28.8° 21.9° 9 mm
2005 29.2° 20.5° 7.4 mm
2004 28.3° 21.3° 14.2 mm
2003 28.6° 20.5° 32.6 mm
2002 28.3° 22° 6.7 mm
2001 26.3° 21.8° 5.5 mm
2000 28.2° 21.4° 9.7 mm
1999 28.2° 20.1° 15.8 mm
1998 24.7° 20.8° 123.7 mm
1997 29.4° 20.7° 20.9 mm
1996 27.8° 20.8° 66.7 mm
Source: ERA5 reanalysis (Copernicus C3S)

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