Weather on September 1 at Dry Tortugas
Dry Tortugas National Park
Based on 55 years of data from Key West, FL
Planning Your Visit
September 1st 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 1st was in 2023 (89°F average), while the coldest was 1980 (77°F) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 55% of September 1st dates historically, with the wettest September 1st recording 5.44" 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 1st 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 | 76°F | 2.16" | -- |
| 2024 | 93°F | 76°F | -- | -- |
| 2023 | 97°F | 82°F | 0" | -- |
| 2022 | 94°F | 81°F | 0" | -- |
| 2021 | 91°F | 80°F | 0" | -- |
| 2020 | 94°F | 81°F | 0.76" | -- |
| 2019 | 91°F | 81°F | 0.38" | -- |
| 2018 | 90°F | 77°F | 1.09" | -- |
| 2017 | -- | 81°F | -- | -- |
| 2016 | 88°F | 78°F | 0.13" | -- |
| 2015 | 91°F | 81°F | 0" | -- |
| 2014 | 88°F | 81°F | 0" | -- |
| 2013 | 89°F | 78°F | 0.13" | -- |
| 2012 | 87°F | 80°F | 0" | -- |
| 2011 | 89°F | 81°F | 0.03" | -- |
| 2010 | 87°F | 74°F | 1.4" | 0" |
| 2009 | 92°F | 75°F | 1.02" | 0" |
| 2008 | 87°F | 81°F | 1.02" | 0" |
| 2007 | 90°F | 79°F | 0" | 0" |
| 2006 | 88°F | 78°F | 0" | 0" |
| 2005 | 88°F | 80°F | 2.16" | 0" |
| 2004 | 94°F | 78°F | 1.19" | -- |
| 2003 | 88°F | 77°F | 0.25" | -- |
| 2002 | 89°F | 79°F | 0.3" | 0" |
| 2001 | 89°F | 80°F | 1.4" | 0" |
| 2000 | 91°F | 83°F | 0" | -- |
| 1999 | 93°F | 82°F | 0" | -- |
| 1998 | 90°F | 81°F | 0" | 0" |
| 1997 | 90°F | 75°F | 0.1" | 0" |
| 1996 | 90°F | 75°F | 0" | 0" |
| 1995 | 90°F | 83°F | 0" | 0" |
| 1994 | 92°F | 81°F | 0" | 0" |
| 1993 | 91°F | 80°F | 0" | 0" |
| 1992 | 91°F | 82°F | 0.03" | 0" |
| 1991 | 86°F | 75°F | 5.44" | 0" |
| 1990 | 89°F | 81°F | 0" | 0" |
| 1989 | 91°F | 82°F | 0.18" | 0" |
| 1988 | 90°F | 81°F | 0" | 0" |
| 1987 | 90°F | 81°F | 0" | 0" |
| 1986 | 90°F | 78°F | 0.36" | 0" |
| 1985 | 88°F | 82°F | 0" | 0" |
| 1984 | 90°F | 81°F | 0" | 0" |
| 1983 | 86°F | 75°F | 0.3" | 0" |
| 1982 | 90°F | 76°F | 0.18" | 0" |
| 1981 | 88°F | 82°F | 0" | 0" |
| 1980 | 82°F | 71°F | 5.23" | 0" |
| 1979 | 90°F | 81°F | 0.03" | 0" |
| 1978 | 90°F | 78°F | 0.05" | 0" |
| 1977 | 82°F | 74°F | 4.11" | 0" |
| 1976 | 89°F | 79°F | 0.03" | 0" |
| 1975 | 90°F | 77°F | 0.33" | 0" |
| 1974 | 89°F | 80°F | 0" | 0" |
| 1973 | 84°F | 78°F | 0.2" | 0" |
| 1972 | 89°F | 82°F | 0" | 0" |
| 1971 | 81°F | 75°F | 2.24" | 0" |