Weather on September 20 at Dry Tortugas

Dry Tortugas National Park

FLSoutheast
Avg High89°F
Avg Low79°F
Warmest201788°F
Coldest198479°F

Based on 55 years of data from Key West, FL

Planning Your Visit

September 20th 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 20th was in 2017 (88°F average), while the coldest was 1984 (79°F) — a 9°F range across recorded history. Rain or other precipitation has occurred on about 47% of September 20th dates historically, with the wettest September 20th recording 4.78" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.

Planning for September 20th in Dry Tortugas? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202589°F78°F0"--
202487°F78°F0"--
202393°F80°F0.15"--
202291°F76°F0.43"--
202191°F78°F0"--
202093°F82°F0"--
201992°F80°F0.05"--
201892°F77°F0.18"--
201796°F81°F----
201691°F80°F0"--
201586°F80°F0"--
201485°F76°F0.1"--
201386°F77°F4.06"--
201285°F79°F0"--
201188°F78°F0.13"--
201088°F77°F0"0"
200991°F82°F0"0"
200888°F79°F0"0"
200792°F78°F0.05"--
200688°F78°F0"0"
200583°F75°F4.78"--
200488°F79°F0"--
200390°F82°F0"--
200288°F77°F1.73"0"
200190°F77°F0"0"
200090°F79°F0.43"--
199988°F76°F1.27"--
199888°F81°F0"0"
199789°F76°F0"0"
199690°F77°F0"0"
199590°F78°F0"0"
199490°F77°F0.89"0"
199390°F80°F0.18"0"
199288°F78°F0"0"
199189°F80°F0"0"
199088°F80°F0"0"
198989°F80°F0"0"
198889°F79°F0"0"
198790°F81°F0.05"0"
198689°F79°F0.58"0"
198588°F77°F0.08"0"
198481°F77°F3.78"0"
198388°F79°F0.25"0"
198287°F77°F0.43"0"
198188°F79°F0.05"0"
198090°F81°F0"0"
197988°F80°F0.2"0"
197889°F79°F0.28"0"
197789°F82°F0"0"
197689°F77°F0"0"
197589°F76°F1.27"0"
197489°F82°F0"0"
197388°F78°F0"0"
197287°F79°F0.58"0"
197188°F75°F0.53"0"

September 20 at Nearby Parks

Holiday Weather at Dry Tortugas

Official NPS WebsiteVisit nps.gov/drto for park information, alerts, and reservations

Explore More at Dry Tortugas

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