Weather on September 21
Cleveland, OH
55 Years of Data
Avg High
73°F
Avg Low
57°F
Warmest
2018
80°F avg
Coldest
1973
51°F avg
About This Date
September 21st in Cleveland, OH typically brings pleasant fall weather, with average highs around 73°F and lows near 57°F. Over 55 years of records, the warmest September 21st was in 2018 (80°F average), while the coldest was 1973 (51°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 40% of September 21st dates historically, with the wettest September 21st recording 2.44" of rain. The last decade has been 9.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 9.9°F warmer on this date compared to 20-30 years ago.
Planning for September 21st in Cleveland, OH? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
2.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 64° | 76° | 0.1" | — |
| 2024 | 79° | 70° | 74° | — | — |
| 2023 | 77° | 62° | 70° | — | — |
| 2022 | 87° | 69° | 78° | 0.28" | — |
| 2021 | 75° | 69° | 72° | 0.33" | — |
| 2020 | 70° | 50° | 60° | — | — |
| 2019 | 83° | 69° | 76° | — | — |
| 2018warmest | 92° | 68° | 80° | — | — |
| 2017 | 81° | 69° | 75° | — | — |
| 2016 | 79° | 65° | 72° | — | — |
| 2015 | 69° | 53° | 61° | — | — |
| 2014 | 73° | 57° | 65° | 0.58" | — |
| 2013 | 69° | 60° | 65° | 2.41" | — |
| 2012 | 69° | 54° | 61° | 1.57" | — |
| 2011 | 72° | 64° | 68° | 0.28" | — |
| 2010 | 88° | 57° | 72° | — | — |
| 2009 | 78° | 69° | 74° | 0.53" | — |
| 2008 | 75° | 62° | 69° | — | — |
| 2007 | 85° | 67° | 76° | — | — |
| 2006 | 63° | 48° | 55° | — | — |
| 2005 | 81° | 60° | 70° | — | — |
| 2004 | 76° | 59° | 67° | — | — |
| 2003 | 71° | 53° | 62° | — | — |
| 2002 | 74° | 65° | 69° | — | — |
| 2001 | 72° | 57° | 64° | 0.66" | — |
| 2000 | 63° | 54° | 58° | 0.08" | — |
| 1999 | 60° | 54° | 57° | 0.03" | — |
| 1998 | 75° | 66° | 71° | 0.18" | — |
| 1997 | 61° | 45° | 53° | — | — |
| 1996 | 74° | 53° | 63° | 0.61" | — |
| 1995 | 75° | 61° | 68° | 0.1" | — |
| 1994 | 79° | 54° | 66° | — | — |
| 1993 | 71° | 54° | 62° | — | — |
| 1992 | 77° | 63° | 70° | 2.44" | — |
| 1991 | 63° | 45° | 54° | — | — |
| 1990 | 70° | 47° | 58° | 0.38" | — |
| 1989 | 78° | 55° | 67° | — | — |
| 1988 | 63° | 57° | 60° | 0.03" | — |
| 1987 | 68° | 51° | 60° | 0.05" | — |
| 1986 | 71° | 59° | 65° | — | — |
| 1985 | 74° | 55° | 64° | — | — |
| 1984 | 70° | 54° | 62° | — | — |
| 1983 | 75° | 47° | 61° | 2.44" | — |
| 1982 | 59° | 42° | 51° | — | — |
| 1981 | 68° | 45° | 56° | — | — |
| 1980 | 87° | 69° | 78° | — | — |
| 1979 | 67° | 56° | 61° | — | — |
| 1978 | 88° | 62° | 75° | — | — |
| 1977 | 71° | 54° | 62° | — | — |
| 1976 | 65° | 49° | 57° | — | — |
| 1975 | 69° | 48° | 59° | — | — |
| 1974 | 62° | 50° | 56° | 1.78" | — |
| 1973coldest | 63° | 39° | 51° | 0.05" | — |
| 1972 | 73° | 47° | 60° | — | — |
| 1971 | 69° | 52° | 60° | 1.42" | — |
55 years of data from CLEVELAND BURKE LAKEFRONT AP