September 9 in San Juan, through the years

Typical high: 30.3°. Hottest: 33° (2023). Coldest night: 21.4° (1999).

YEARHIGHLOWRAIN
2025 30.4° 22.1° 21.3 mm
2024 28.1° 23.5° 12.4 mm
2023 33° 23.1° 4.9 mm
2022 31° 24° 13.8 mm
2021 31.9° 23.5° 20.8 mm
2020 31.9° 24.1° 5.7 mm
2019 27.8° 22.6° 17.4 mm
2018 29.5° 22.9° 0.8 mm
2017 32.7° 24.3° 1.2 mm
2016 32.2° 23.2° 13.2 mm
2015 32.5° 23.7° 5.8 mm
2014 29.2° 22.5° 23 mm
2013 29.7° 24.2° 7.5 mm
2012 31° 23.7° 4.9 mm
2011 29.8° 23.1° 13.9 mm
2010 31° 22.5° 4.6 mm
2009 27° 23° 22.4 mm
2008 30° 22.4° 6.9 mm
2007 32.2° 23.1° 1.8 mm
2006 29.9° 23.2° 4.6 mm
2005 31.7° 23.9° 9.1 mm
2004 31.5° 23.1° 2 mm
2003 31° 23.4° 4.9 mm
2002 26.4° 22.9° 29 mm
2001 29.2° 22.4° 2.5 mm
2000 28.3° 22.5° 6 mm
1999 28.3° 21.4° 13.7 mm
1998 30.1° 23.4° 0.1 mm
1997 32.2° 21.6° 0.7 mm
1996 29.9° 22.3° 32 mm
Source: ERA5 reanalysis (Copernicus C3S)

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