September 9 in San Juan, through the years

Typical high: 31.2°. Hottest: 33.2° (2023). Coldest night: 23.3° (2004).

YEARHIGHLOWRAIN
2025 31.3° 25.3° 13.4 mm
2024 33.1° 25.7° 2.5 mm
2023 33.2° 25.4° 12.9 mm
2022 32.8° 25.5° 8.3 mm
2021 32.6° 25.8° 1.2 mm
2020 31.7° 25.2° 20.6 mm
2019 31.7° 25.9° 3.7 mm
2018 31.6° 25.2° 9.6 mm
2017 31.6° 25.6° 3.9 mm
2016 32.8° 26° 2.2 mm
2015 31.6° 26.5° 4.5 mm
2014 31.9° 24.8° 4.1 mm
2013 31.2° 25.4° 7.7 mm
2012 29.8° 25° 24.5 mm
2011 31.5° 25.7° 7.3 mm
2010 30.4° 24.5° 3.4 mm
2009 31.5° 26.3° 1.6 mm
2008 31.2° 25.8° 1 mm
2007 30.7° 24.3° 11.3 mm
2006 29.9° 24.9° 18 mm
2005 32.3° 27.2° 1.1 mm
2004 30.7° 23.3° 12.3 mm
2003 30.5° 25° 2.6 mm
2002 33.2° 24.9° 6.8 mm
2001 26.8° 24.1° 41.3 mm
2000 30.5° 24.6° 6.7 mm
1999 29.8° 24.4° 5 mm
1998 27.4° 24.1° 24.1 mm
1997 32.3° 25.5° 3.8 mm
1996 31° 24.7° 9.5 mm
Source: ERA5 reanalysis (Copernicus C3S)

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