September 8 in San Juan, through the years

Typical high: 16.5°. Hottest: 19.4° (2023). Coldest night: (2018).

YEARHIGHLOWRAIN
2025 15.4° 11° 3 mm
2024 18.2° 1 mm
2023 19.4° 10° 5.1 mm
2022 17.2° 11° 0 mm
2021 15.6° 9.3° 5.9 mm
2020 15.6° 8.9° 11.4 mm
2019 16.8° 7.8° 0.6 mm
2018 15.6° 0.6 mm
2017 15.7° 7.9° 0 mm
2016 17.4° 10° 1.4 mm
2015 16.3° 11.6° 0.2 mm
2014 18.6° 7.5° 0.7 mm
2013 15.3° 7.6° 0.7 mm
2012 17.8° 7.6° 4.1 mm
2011 16° 7.5° 1.2 mm
2010 16.3° 1 mm
2009 16.5° 8.3° 0.4 mm
2008 15.2° 5.5 mm
2007 14.9° 9.8° 2.8 mm
2006 16.8° 9.6° 0 mm
2005 16.6° 9.7° 5 mm
2004 14.6° 7.1° 2 mm
2003 17.4° 9.3° 0 mm
2002 16.1° 7.9° 2.9 mm
2001 15.9° 8.9° 5.6 mm
2000 15.9° 9.7° 0 mm
1999 16.2° 6.9° 4.2 mm
1998 16.9° 9.3° 0 mm
1997 17.1° 8.3° 4.5 mm
1996 17° 6.5° 0.6 mm
Source: ERA5 reanalysis (Copernicus C3S)

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