Weather on September 11 at Dry Tortugas
Dry Tortugas National Park
Based on 55 years of data from Key West, FL
Planning Your Visit
September 11th in Dry Tortugas National Park (via Key West, FL) typically brings warm fall weather, with average highs around 89°F and lows near 79°F. Over 55 years of records, the warmest September 11th was in 2024 (90°F average), while the coldest was 1973 (79°F) — a 11°F range across recorded history. Rain or other precipitation has occurred on about 55% of September 11th dates historically, with the wettest September 11th recording 3.81" of rain. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
Planning for September 11th in Dry Tortugas? 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 | 93°F | 79°F | -- | -- |
| 2024 | 97°F | 84°F | 0" | -- |
| 2023 | 94°F | 82°F | 0" | -- |
| 2022 | 92°F | 77°F | 0.05" | -- |
| 2021 | 92°F | 83°F | 0" | -- |
| 2020 | 90°F | 80°F | 0.13" | -- |
| 2019 | 93°F | 84°F | 0" | -- |
| 2018 | 86°F | 82°F | 0" | -- |
| 2017 | 89°F | 80°F | 0.66" | -- |
| 2016 | 89°F | 76°F | 0.1" | -- |
| 2015 | 90°F | 82°F | 0" | -- |
| 2014 | 88°F | 74°F | 3.81" | -- |
| 2013 | 89°F | 77°F | 0.89" | -- |
| 2012 | 87°F | 81°F | 0" | -- |
| 2011 | 92°F | 83°F | 0" | -- |
| 2010 | 90°F | 80°F | 0" | 0" |
| 2009 | 89°F | 77°F | 0.13" | 0" |
| 2008 | 84°F | 73°F | 0" | 0" |
| 2007 | 91°F | 78°F | 0" | 0" |
| 2006 | 89°F | 81°F | 0" | 0" |
| 2005 | 93°F | 75°F | 0.2" | 0" |
| 2004 | 89°F | 76°F | 0.48" | -- |
| 2003 | 88°F | 78°F | 0.13" | -- |
| 2002 | 85°F | 76°F | 0.61" | 0" |
| 2001 | 87°F | 74°F | 2.13" | 0" |
| 2000 | 90°F | 80°F | 0.18" | -- |
| 1999 | 90°F | 77°F | 0" | -- |
| 1998 | 90°F | 82°F | 0" | 0" |
| 1997 | 90°F | 77°F | 0.48" | 0" |
| 1996 | 88°F | 78°F | 0.28" | 0" |
| 1995 | 89°F | 80°F | 0.05" | 0" |
| 1994 | 91°F | 80°F | 0" | 0" |
| 1993 | 92°F | 76°F | 1.42" | 0" |
| 1992 | 91°F | 80°F | 0.15" | 0" |
| 1991 | 87°F | 79°F | 0" | 0" |
| 1990 | 87°F | 78°F | 0.84" | 0" |
| 1989 | 89°F | 80°F | 0" | 0" |
| 1988 | 91°F | 81°F | 0.97" | 0" |
| 1987 | 90°F | 83°F | 0" | 0" |
| 1986 | 90°F | 80°F | 0" | 0" |
| 1985 | 84°F | 76°F | 0.53" | 0" |
| 1984 | 89°F | 78°F | 0" | 0" |
| 1983 | 91°F | 82°F | 0" | 0" |
| 1982 | 89°F | 78°F | 0.18" | 0" |
| 1981 | 88°F | 74°F | 0.64" | 0" |
| 1980 | 86°F | 77°F | 0" | 0" |
| 1979 | 85°F | 80°F | 0.2" | 0" |
| 1978 | 90°F | 82°F | 0" | 0" |
| 1977 | 90°F | 79°F | 2.62" | 0" |
| 1976 | 92°F | 80°F | 0.03" | 0" |
| 1975 | 87°F | 75°F | 0.48" | 0" |
| 1974 | 90°F | 81°F | 0" | 0" |
| 1973 | 85°F | 73°F | 3.28" | 0" |
| 1972 | 86°F | 74°F | 0.64" | 0" |
| 1971 | 89°F | 81°F | 0.03" | 0" |