September 11 in Johannesberg, through the years

Typical high: 16°. Hottest: 18.9° (2025). Coldest night: 5.8° (1996).

YEARHIGHLOWRAIN
2025 18.9° 17° 20.2 mm
2024 15.7° 11.2° 13.6 mm
2023 18.1° 15.8° 0 mm
2022 15.9° 12.8° 0 mm
2021 15.5° 14.1° 1.5 mm
2020 15.7° 9.7° 0.2 mm
2019 17.7° 14.7° 2.9 mm
2018 16.3° 14.1° 4.9 mm
2017 15.9° 13° 0.1 mm
2016 18.5° 14.5° 0 mm
2015 15.6° 11° 0 mm
2014 17° 11.8° 0 mm
2013 17.3° 14.5° 1 mm
2012 17.7° 15° 0.2 mm
2011 16.3° 12.2° 5.5 mm
2010 15.3° 13.5° 0 mm
2009 16° 10.3° 0 mm
2008 12.9° 10.7° 0.4 mm
2007 13.5° 12.2° 3.7 mm
2006 17° 12.4° 0 mm
2005 14° 9.2° 0 mm
2004 16.8° 11.9° 0 mm
2003 14.5° 13.2° 0.9 mm
2002 17.8° 14° 0 mm
2001 13.5° 11.8° 6.7 mm
2000 14.7° 10.7° 0 mm
1999 18.1° 13.3° 0 mm
1998 16.6° 14.2° 0 mm
1997 15.3° 9.4° 0 mm
1996 11.2° 5.8° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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