Dry Tortugas National Park in September
In September, Dry Tortugas National Park averages a high of 89°F and a low of 78°F, with 7.2 inches of precipitation (rain plus melted snow). About 5,800 people visit, the 11th busiest of 12 (busy). Days are 12 hours 16 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 89° / 78°F
- Precipitation
- 7.2in
- Snow
- –in
- Daylight
- 12h 16m
- Visitors
- 5,800
- Crowds
- Busy
Best months for weather and crowds instead: January (busy), February (busy) and November (busy).
Weather 1991–2020 averages at Dry Tortugas, FL, 1.2 miles from the park's center, 3 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in September
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Everglades National Park | 89° / 75° | Moderate | Hot |
| Big Cypress National Preserve | 90° / 73° | Moderate | Hot |
| Biscayne National Park | 90° / 79° | Busy | Very hot |
| Canaveral National Seashore | 88° / 71° | Busy | Hot |
| Timucuan Ecological and Historic Preserve | 86° / 73° | Busy | Hot |
Closures, reservations and alerts: Dry Tortugas National Park on nps.gov
All twelve months at Dry Tortugas · National parks to visit in September