Weather on September 17 at Dry Tortugas
Dry Tortugas National Park
Based on 56 years of data from Key West, FL
Planning Your Visit
September 17th in Dry Tortugas National Park (via Key West, FL) typically brings hot fall weather, with average highs around 90°F and lows near 79°F. Over 56 years of records, the warmest September 17th was in 2017 (92°F average), while the coldest was 1985 (78°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 48% of September 17th dates historically, with the wettest September 17th recording 5.47" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for September 17th 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 |
|---|---|---|---|---|
| 2026 | 95°F | 79°F | 0.04" | -- |
| 2025 | 94°F | 76°F | 0.2" | -- |
| 2024 | 99°F | 80°F | 0" | -- |
| 2023 | 96°F | 78°F | 0.59" | -- |
| 2022 | 90°F | 78°F | 0.27" | -- |
| 2021 | 88°F | 79°F | 0" | -- |
| 2020 | 91°F | 81°F | 0" | -- |
| 2019 | 93°F | 85°F | 0" | -- |
| 2018 | 92°F | 83°F | 0" | -- |
| 2017 | 102°F | 83°F | 0" | -- |
| 2016 | 90°F | 80°F | 0" | -- |
| 2015 | 86°F | 74°F | 0.06" | -- |
| 2014 | 87°F | 77°F | 0" | -- |
| 2013 | 82°F | 76°F | 0.72" | -- |
| 2012 | 83°F | 74°F | 0.03" | -- |
| 2011 | 89°F | 80°F | 0" | -- |
| 2010 | 85°F | 74°F | 3.5" | 0" |
| 2009 | 86°F | 78°F | 0.17" | 0" |
| 2008 | 90°F | 77°F | 0" | 0" |
| 2007 | 92°F | 83°F | 0" | -- |
| 2006 | 91°F | 79°F | 0" | 0" |
| 2005 | 90°F | 77°F | 0.23" | 0" |
| 2004 | 91°F | 81°F | 0" | -- |
| 2003 | 88°F | 79°F | 0" | -- |
| 2002 | 89°F | 80°F | 0" | 0" |
| 2001 | 87°F | 79°F | 0" | 0" |
| 2000 | 90°F | 76°F | 0.37" | -- |
| 1999 | 91°F | 75°F | 0.36" | -- |
| 1998 | 87°F | 80°F | 0.42" | 0" |
| 1997 | 83°F | 74°F | 0.35" | 0" |
| 1996 | 88°F | 80°F | 0.33" | 0" |
| 1995 | 89°F | 76°F | 0.7" | 0" |
| 1994 | 91°F | 81°F | 0" | 0" |
| 1993 | 88°F | 75°F | 0.85" | 0" |
| 1992 | 88°F | 78°F | 0.17" | 0" |
| 1991 | 89°F | 78°F | 0" | 0" |
| 1990 | 90°F | 78°F | 0" | 0" |
| 1989 | 90°F | 81°F | 0" | 0" |
| 1988 | 89°F | 80°F | 0" | 0" |
| 1987 | 90°F | 80°F | 0" | 0" |
| 1986 | 89°F | 78°F | 0" | 0" |
| 1985 | 87°F | 69°F | 5.47" | 0" |
| 1984 | 88°F | 76°F | 0.54" | 0" |
| 1983 | 91°F | 79°F | 0.48" | 0" |
| 1982 | 88°F | 77°F | 0.08" | 0" |
| 1981 | 90°F | 79°F | 0" | 0" |
| 1980 | 88°F | 82°F | 0" | 0" |
| 1979 | 88°F | 79°F | 0.03" | 0" |
| 1978 | 89°F | 80°F | 0" | 0" |
| 1977 | 89°F | 81°F | 0" | 0" |
| 1976 | 88°F | 74°F | 0.51" | 0" |
| 1975 | 90°F | 79°F | 0.02" | 0" |
| 1974 | 90°F | 81°F | 0.02" | 0" |
| 1973 | 90°F | 80°F | 0" | 0" |
| 1972 | 89°F | 81°F | 0" | 0" |
| 1971 | 90°F | 81°F | 0.02" | 0" |