Weather on September 25 at Biscayne
Biscayne National Park
Based on 55 years of data from Miami, FL
Planning Your Visit
September 25th 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 25th was in 1995 (87°F average), while the coldest was 2004 (76°F) — a 11°F range across recorded history. Rain or other precipitation has occurred on about 62% of September 25th dates historically, with the wettest September 25th recording 11.07" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 25th 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 | 76°F | 0.3" | -- |
| 2024 | 91°F | 78°F | 0.48" | -- |
| 2023 | 89°F | 72°F | 1.04" | -- |
| 2022 | 91°F | 78°F | 0.03" | -- |
| 2021 | 86°F | 72°F | 0" | -- |
| 2020 | 84°F | 79°F | 4.98" | -- |
| 2019 | 83°F | 69°F | 0" | -- |
| 2018 | 90°F | 76°F | 0.76" | -- |
| 2017 | 87°F | 79°F | 0" | -- |
| 2016 | 87°F | 76°F | 1.27" | -- |
| 2015 | 84°F | 75°F | 0.51" | -- |
| 2014 | 85°F | 77°F | 0" | -- |
| 2013 | 89°F | 78°F | 0.71" | -- |
| 2012 | 86°F | 76°F | 0.43" | -- |
| 2011 | 90°F | 78°F | 2.41" | -- |
| 2010 | 88°F | 78°F | 0.97" | 0" |
| 2009 | 89°F | 82°F | 0" | 0" |
| 2008 | 87°F | 75°F | 1.98" | -- |
| 2007 | 84°F | 74°F | 2.11" | -- |
| 2006 | 89°F | 80°F | 0" | 0" |
| 2005 | 88°F | 76°F | 0.03" | 0" |
| 2004 | 79°F | 74°F | 0" | 0" |
| 2003 | 85°F | 77°F | 0.28" | 0" |
| 2002 | 87°F | 76°F | 0.13" | 0" |
| 2001 | 89°F | 78°F | 0" | 0" |
| 2000 | 89°F | 82°F | 0" | 0" |
| 1999 | 82°F | 75°F | 1.37" | 0" |
| 1998 | 81°F | 76°F | 0" | 0" |
| 1997 | 88°F | 76°F | 0.43" | 0" |
| 1996 | 87°F | 80°F | 0" | 0" |
| 1995 | 91°F | 82°F | 0" | 0" |
| 1994 | 83°F | 74°F | 0.79" | 0" |
| 1993 | 87°F | 77°F | 0.03" | 0" |
| 1992 | 86°F | 76°F | 0.25" | 0" |
| 1991 | 87°F | 79°F | 0.13" | 0" |
| 1990 | 85°F | 80°F | 0" | 0" |
| 1989 | 85°F | 78°F | 0" | 0" |
| 1988 | 86°F | 77°F | 0" | 0" |
| 1987 | 85°F | 78°F | 0.25" | 0" |
| 1986 | 86°F | 80°F | 0" | 0" |
| 1985 | 86°F | 76°F | 0" | 0" |
| 1984 | 82°F | 76°F | 0.05" | 0" |
| 1983 | 83°F | 79°F | 0.08" | 0" |
| 1982 | 85°F | 76°F | 0.18" | 0" |
| 1981 | 82°F | 72°F | 11.07" | 0" |
| 1980 | 85°F | 79°F | 0" | 0" |
| 1979 | 85°F | 76°F | 0" | 0" |
| 1978 | 83°F | 76°F | 0" | 0" |
| 1977 | 85°F | 79°F | 0.15" | 0" |
| 1976 | 83°F | 76°F | 0.43" | 0" |
| 1975 | 84°F | 76°F | 0.1" | 0" |
| 1974 | 89°F | 77°F | 0.15" | 0" |
| 1973 | 86°F | 75°F | 0.61" | 0" |
| 1972 | 85°F | 76°F | 0.43" | 0" |
| 1971 | 87°F | 77°F | 0" | 0" |