Weather on September 23 at Dry Tortugas
Dry Tortugas National Park
Based on 55 years of data from Key West, FL
Planning Your Visit
September 23rd in Dry Tortugas National Park (via Key West, FL) typically brings warm fall weather, with average highs around 89°F and lows near 78°F. Over 55 years of records, the warmest September 23rd was in 2000 (87°F average), while the coldest was 1999 (77°F) — a 10°F range across recorded history. Rain or other precipitation has occurred on about 49% of September 23rd dates historically, with the wettest September 23rd recording 4.95" 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 23rd 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 | 94°F | 75°F | 4.95" | -- |
| 2024 | 95°F | 77°F | 1.63" | -- |
| 2023 | 90°F | 76°F | 0.03" | -- |
| 2022 | 90°F | 77°F | -- | -- |
| 2021 | 87°F | 76°F | 0.36" | -- |
| 2020 | 87°F | 76°F | 0.25" | -- |
| 2019 | 89°F | 80°F | 0" | -- |
| 2018 | 91°F | 80°F | 0.1" | -- |
| 2017 | 90°F | 80°F | 0" | 0" |
| 2016 | 91°F | 81°F | 0" | -- |
| 2015 | 88°F | 78°F | 0.25" | -- |
| 2014 | 85°F | 73°F | 4.5" | -- |
| 2013 | 86°F | 80°F | 0" | -- |
| 2012 | 84°F | 75°F | 0.18" | -- |
| 2011 | 90°F | 78°F | 0" | -- |
| 2010 | 86°F | 77°F | 0" | 0" |
| 2009 | 89°F | 78°F | 0.25" | 0" |
| 2008 | 87°F | 80°F | 0" | 0" |
| 2007 | 90°F | 77°F | 0" | 0" |
| 2006 | 89°F | 78°F | 0" | 0" |
| 2005 | 89°F | 76°F | 0.03" | 0" |
| 2004 | 88°F | 78°F | 0.08" | -- |
| 2003 | 91°F | 80°F | 0" | -- |
| 2002 | 87°F | 78°F | 0.58" | 0" |
| 2001 | 89°F | 80°F | 0" | 0" |
| 2000 | 91°F | 83°F | 0" | -- |
| 1999 | 81°F | 73°F | 0.81" | -- |
| 1998 | 89°F | 81°F | 0" | -- |
| 1997 | 89°F | 79°F | 0" | 0" |
| 1996 | 89°F | 78°F | 0.08" | 0" |
| 1995 | 90°F | 79°F | 0" | 0" |
| 1994 | 90°F | 79°F | 0" | 0" |
| 1993 | 91°F | 80°F | 0.3" | 0" |
| 1992 | 87°F | 77°F | 0.2" | 0" |
| 1991 | 90°F | 80°F | 0.79" | 0" |
| 1990 | 89°F | 80°F | 0" | 0" |
| 1989 | 90°F | 80°F | 0" | 0" |
| 1988 | 89°F | 79°F | 0.15" | 0" |
| 1987 | 90°F | 82°F | 0.08" | 0" |
| 1986 | 87°F | 75°F | 1.3" | 0" |
| 1985 | 88°F | 80°F | 0" | 0" |
| 1984 | 87°F | 78°F | 0" | 0" |
| 1983 | 90°F | 74°F | 0" | 0" |
| 1982 | 88°F | 79°F | 0" | 0" |
| 1981 | 86°F | 75°F | 0" | 0" |
| 1980 | 90°F | 80°F | 0" | 0" |
| 1979 | 88°F | 80°F | 0" | 0" |
| 1978 | 88°F | 77°F | 0.48" | 0" |
| 1977 | 89°F | 77°F | 0.41" | 0" |
| 1976 | 90°F | 79°F | 0" | 0" |
| 1975 | 88°F | 77°F | 0.05" | 0" |
| 1974 | 90°F | 76°F | 0" | 0" |
| 1973 | 85°F | 76°F | 1.73" | 0" |
| 1972 | 87°F | 77°F | 0.56" | 0" |
| 1971 | 89°F | 78°F | 0.05" | 0" |