Weather on September 13 at Biscayne
Biscayne National Park
Based on 55 years of data from Miami, FL
Planning Your Visit
September 13th in Biscayne National Park (via Miami, FL) typically brings warm fall weather, with average highs around 87°F and lows near 78°F. Over 55 years of records, the warmest September 13th was in 1978 (87°F average), while the coldest was 1994 (77°F) — a 10°F range across recorded history. Rain or other precipitation has occurred on about 53% of September 13th dates historically, with the wettest September 13th recording 6.71" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for September 13th 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 | 75°F | 4.52" | -- |
| 2024 | 91°F | 79°F | 0.81" | -- |
| 2023 | 92°F | 80°F | 0" | -- |
| 2022 | 92°F | 77°F | 0.1" | -- |
| 2021 | 90°F | 78°F | 0.74" | -- |
| 2020 | 88°F | 80°F | 0.61" | -- |
| 2019 | 86°F | 76°F | 3.18" | -- |
| 2018 | 87°F | 77°F | 0" | -- |
| 2017 | 92°F | 77°F | 0" | -- |
| 2016 | 87°F | 80°F | 0" | -- |
| 2015 | 89°F | 81°F | 0.25" | -- |
| 2014 | 83°F | 73°F | -- | -- |
| 2013 | 85°F | 76°F | 0.13" | -- |
| 2012 | 89°F | 81°F | 0" | -- |
| 2011 | 91°F | 78°F | 0.58" | -- |
| 2010 | 90°F | 79°F | 0" | 0" |
| 2009 | 88°F | 75°F | 0.84" | 0" |
| 2008 | 87°F | 78°F | 0" | 0" |
| 2007 | 89°F | 78°F | 0.64" | -- |
| 2006 | 88°F | 79°F | 0.23" | 0" |
| 2005 | 89°F | 77°F | 0" | 0" |
| 2004 | 84°F | 78°F | 0.03" | 0" |
| 2003 | 87°F | 79°F | 0" | 0" |
| 2002 | 88°F | 76°F | 0.81" | 0" |
| 2001 | 85°F | 74°F | 0.89" | 0" |
| 2000 | 89°F | 81°F | 0" | 0" |
| 1999 | 87°F | 78°F | 0.25" | 0" |
| 1998 | 83°F | 76°F | 0" | 0" |
| 1997 | 86°F | 75°F | 0" | 0" |
| 1996 | 88°F | 70°F | 0.03" | 0" |
| 1995 | 87°F | 81°F | 0.08" | 0" |
| 1994 | 82°F | 72°F | 6.71" | 0" |
| 1993 | 86°F | 76°F | 0.69" | 0" |
| 1992 | 83°F | 80°F | 0.13" | 0" |
| 1991 | 89°F | 78°F | 0.03" | 0" |
| 1990 | 85°F | 78°F | 0.1" | 0" |
| 1989 | 87°F | 80°F | 0" | 0" |
| 1988 | 85°F | 82°F | 0" | 0" |
| 1987 | 88°F | 82°F | 0" | 0" |
| 1986 | 87°F | 80°F | 0" | 0" |
| 1985 | 86°F | 70°F | 3.18" | 0" |
| 1984 | 87°F | 80°F | 0" | 0" |
| 1983 | 88°F | 82°F | 0.05" | 0" |
| 1982 | 88°F | 83°F | 0" | 0" |
| 1981 | 85°F | 79°F | 0" | 0" |
| 1980 | 85°F | 76°F | 0" | 0" |
| 1979 | 86°F | 76°F | 0.15" | 0" |
| 1978 | 95°F | 78°F | 0" | 0" |
| 1977 | 88°F | 82°F | 0" | 0" |
| 1976 | 86°F | 77°F | 0.25" | 0" |
| 1975 | 86°F | 77°F | 0" | 0" |
| 1974 | 90°F | 78°F | 0" | 0" |
| 1973 | 88°F | 80°F | 0" | 0" |
| 1972 | 86°F | 75°F | 0.51" | 0" |
| 1971 | 90°F | 73°F | 1.19" | 0" |