September 9 in San Juan, through the years

Typical high: 21.3°. Hottest: 23.3° (2023). Coldest night: 6.2° (2011).

YEARHIGHLOWRAIN
2025 22.4° 12.3° 24.4 mm
2024 22.4° 12.9° 6.2 mm
2023 23.3° 9.5° 0.4 mm
2022 21.2° 11° 6.9 mm
2021 22.6° 12.3° 11.8 mm
2020 21.2° 12.9° 15.9 mm
2019 21.4° 10.8° 13.9 mm
2018 21.7° 10.1° 35.2 mm
2017 17.9° 13.1° 27.6 mm
2016 22.1° 8.9° 0.9 mm
2015 22.1° 12.4° 57.9 mm
2014 21.7° 11.8° 10 mm
2013 20.3° 11.5° 9.3 mm
2012 21.9° 10.7° 0.6 mm
2011 23° 6.2° 0 mm
2010 22.6° 12.9° 2.5 mm
2009 20.9° 12.9° 13.7 mm
2008 20.1° 14° 6.1 mm
2007 20.8° 12.4° 22 mm
2006 21.4° 10.5° 22.4 mm
2005 20.6° 11.4° 14.9 mm
2004 20.2° 11.6° 3.2 mm
2003 22.2° 11.4° 1.7 mm
2002 20.9° 11.8° 19.7 mm
2001 21.4° 11.1° 17.7 mm
2000 22.3° 10.4° 21.1 mm
1999 20.8° 11.5° 23.4 mm
1998 19.5° 12.1° 26.5 mm
1997 20.5° 12.1° 35 mm
1996 20° 9.7° 14.1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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