Weather on September 29 at Biscayne
Biscayne National Park
Based on 55 years of data from Miami, FL
Planning Your Visit
September 29th in Biscayne National Park (via Miami, FL) typically brings warm fall weather, with average highs around 86°F and lows near 77°F. Over 55 years of records, the warmest September 29th was in 2024 (87°F average), while the coldest was 2001 (74°F) — a 13°F range across recorded history. Rain or other precipitation has occurred on about 45% of September 29th dates historically, with the wettest September 29th recording 6.86" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for September 29th in Biscayne? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 88°F | 77°F | 0.15" | -- |
| 2024 | 94°F | 80°F | 0" | -- |
| 2023 | 88°F | 76°F | 0.08" | -- |
| 2022 | 85°F | 76°F | 0.18" | -- |
| 2021 | 88°F | 73°F | 0" | -- |
| 2020 | 86°F | 80°F | 0" | -- |
| 2019 | 86°F | 79°F | 0" | -- |
| 2018 | 86°F | 78°F | 0" | -- |
| 2017 | 89°F | 76°F | 0.76" | -- |
| 2016 | 87°F | 75°F | 0" | -- |
| 2015 | 86°F | 76°F | 0" | -- |
| 2014 | 87°F | 76°F | 0" | -- |
| 2013 | 85°F | 74°F | 1.27" | -- |
| 2012 | 87°F | 77°F | 0.84" | -- |
| 2011 | 86°F | 78°F | 0" | -- |
| 2010 | 87°F | 75°F | 6.86" | 0" |
| 2009 | 89°F | 76°F | 2.29" | 0" |
| 2008 | 86°F | 74°F | 1.09" | -- |
| 2007 | 87°F | 79°F | 0" | -- |
| 2006 | 85°F | 76°F | 0" | 0" |
| 2005 | 86°F | 80°F | 0" | 0" |
| 2004 | 86°F | 74°F | 4.47" | 0" |
| 2003 | 82°F | 75°F | 0.61" | 0" |
| 2002 | 89°F | 76°F | 0" | 0" |
| 2001 | 78°F | 69°F | 1.63" | 0" |
| 2000 | 86°F | 76°F | 0.61" | 0" |
| 1999 | 86°F | 82°F | 0" | 0" |
| 1998 | 83°F | 78°F | 0" | 0" |
| 1997 | 86°F | 75°F | 2.34" | 0" |
| 1996 | 87°F | 81°F | 0.13" | 0" |
| 1995 | 87°F | 78°F | 0.13" | 0" |
| 1994 | 81°F | 75°F | 0.18" | 0" |
| 1993 | 84°F | 75°F | 0.43" | 0" |
| 1992 | 90°F | 79°F | 0" | 0" |
| 1991 | 85°F | 75°F | 0.28" | 0" |
| 1990 | 83°F | 74°F | 0.56" | 0" |
| 1989 | 86°F | 80°F | 0" | 0" |
| 1988 | 86°F | 77°F | 0" | 0" |
| 1987 | 86°F | 76°F | 0.36" | 0" |
| 1986 | 85°F | 80°F | 0" | 0" |
| 1985 | 84°F | 75°F | 0.13" | 0" |
| 1984 | 84°F | 78°F | 0" | 0" |
| 1983 | 82°F | 74°F | 0" | 0" |
| 1982 | 86°F | 78°F | 0" | 0" |
| 1981 | 83°F | 78°F | 0" | 0" |
| 1980 | 91°F | 76°F | 0" | 0" |
| 1979 | 86°F | 76°F | 0.1" | 0" |
| 1978 | 86°F | 78°F | 0" | 0" |
| 1977 | 87°F | 77°F | 0" | 0" |
| 1976 | 86°F | 80°F | 0" | 0" |
| 1975 | 86°F | 77°F | 0" | 0" |
| 1974 | 91°F | 80°F | 0.41" | 0" |
| 1973 | 85°F | 77°F | 0.13" | 0" |
| 1972 | 85°F | 79°F | 0" | 0" |
| 1971 | 88°F | 72°F | 0" | 0" |