Weather on September 21
Cape Coral, FL
55 Years of Data
Avg High
91°F
Avg Low
75°F
Warmest
1980
86°F avg
Coldest
1999
78°F avg
About This Date
September 21st in Cape Coral, FL typically brings hot fall weather, with average highs around 91°F and lows near 75°F. Over 55 years of records, the warmest September 21st was in 1980 (86°F average), while the coldest was 1999 (78°F) — a 8°F range across recorded history. Rain or other precipitation has occurred on about 38% of September 21st dates historically, with the wettest September 21st recording 6.76" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for September 21st in Cape Coral, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 74° | 83° | — | — |
| 2024 | 93° | 76° | 84° | 0.1" | — |
| 2023 | 91° | 73° | 82° | 1.9" | — |
| 2022 | 92° | 77° | 84° | — | — |
| 2021 | 90° | 75° | 82° | 2.44" | — |
| 2020 | 87° | 75° | 81° | — | — |
| 2019 | 91° | 73° | 82° | — | — |
| 2018 | 92° | 75° | 83° | 1.12" | — |
| 2017 | 92° | 76° | 84° | — | — |
| 2016 | 93° | 78° | 86° | — | — |
| 2015 | 93° | 76° | 84° | — | — |
| 2014 | 88° | 75° | 81° | 0.05" | — |
| 2013 | 88° | 71° | 79° | — | — |
| 2012 | 88° | 73° | 80° | 1.12" | — |
| 2011 | 93° | 77° | 85° | 0.51" | — |
| 2010 | 91° | 74° | 82° | — | — |
| 2009 | 91° | 77° | 84° | — | — |
| 2008 | 93° | 74° | 83° | 6.76" | — |
| 2007 | 90° | 74° | 82° | 5.54" | — |
| 2006 | 90° | 72° | 81° | — | — |
| 2005 | 88° | 75° | 81° | 1.32" | — |
| 2004 | 84° | 73° | 79° | 0.46" | — |
| 2003 | 91° | 77° | 84° | — | — |
| 2002 | 92° | 75° | 83° | — | — |
| 2001 | 89° | 75° | 82° | — | — |
| 2000 | 88° | 76° | 82° | — | — |
| 1999coldest | 85° | 72° | 78° | 0.99" | — |
| 1998 | 89° | 76° | 82° | — | — |
| 1997 | 95° | 73° | 84° | — | — |
| 1996 | 92° | 77° | 84° | — | — |
| 1995 | 94° | 76° | 85° | 0.97" | — |
| 1994 | 87° | 73° | 80° | — | — |
| 1993 | 93° | 75° | 84° | 0.94" | — |
| 1992 | 92° | 74° | 83° | — | — |
| 1991 | 94° | 72° | 83° | 4.62" | — |
| 1990 | 95° | 74° | 84° | 0.53" | — |
| 1989 | 91° | 73° | 82° | — | — |
| 1988 | 95° | 74° | 84° | — | — |
| 1987 | 96° | 75° | 86° | — | — |
| 1986 | 93° | 73° | 83° | — | — |
| 1985 | 91° | 74° | 82° | — | — |
| 1984 | 86° | 75° | 81° | 2.01" | — |
| 1983 | 88° | 74° | 81° | — | — |
| 1982 | 86° | 72° | 79° | 4.85" | — |
| 1981 | 88° | 75° | 81° | — | — |
| 1980warmest | 94° | 78° | 86° | — | — |
| 1979 | 86° | 77° | 82° | 2.39" | — |
| 1978 | 94° | 73° | 83° | — | — |
| 1977 | 91° | 75° | 83° | 0.97" | — |
| 1976 | 86° | 72° | 79° | — | — |
| 1975 | 91° | 77° | 84° | — | — |
| 1974 | 91° | 75° | 83° | 0.25" | — |
| 1973 | 93° | 74° | 83° | — | — |
| 1972 | 91° | 73° | 82° | — | — |
| 1971 | 90° | 72° | 81° | — | — |
55 years of data from FT MYERS PAGE FLD AP