Weather on September 11 at Biscayne

Biscayne National Park

FLSoutheast
Avg High88°F
Avg Low78°F
Warmest202288°F
Coldest199877°F

Based on 55 years of data from Miami, FL

Planning Your Visit

September 11th in Biscayne National Park (via Miami, FL) typically brings warm fall weather, with average highs around 88°F and lows near 78°F. Over 55 years of records, the warmest September 11th was in 2022 (88°F average), while the coldest was 1998 (77°F) — a 11°F range across recorded history. Rain or other precipitation has occurred on about 51% of September 11th dates historically, with the wettest September 11th recording 4.98" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

Planning for September 11th in Biscayne? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202592°F75°F2.29"--
202489°F77°F1.91"--
202392°F78°F4.34"--
202295°F81°F0"--
202192°F79°F0"--
202086°F78°F0.28"--
201989°F82°F0"--
201889°F77°F0"--
201784°F79°F----
201687°F77°F2.92"--
201588°F80°F0"--
201488°F76°F----
201388°F75°F1.73"--
201293°F79°F0"--
201189°F77°F0"--
201089°F82°F0"0"
200987°F78°F0"0"
200886°F82°F0"0"
200789°F78°F0"--
200689°F80°F0"0"
200587°F72°F4.09"0"
200485°F80°F0"0"
200386°F79°F0"0"
200289°F69°F0.81"0"
200187°F73°F4.98"0"
200087°F78°F0.2"0"
199987°F78°F0"0"
199882°F72°F1.91"0"
199790°F79°F0.18"0"
199690°F80°F0.03"0"
199583°F76°F0.84"0"
199488°F73°F2.95"0"
199389°F77°F3.48"0"
199289°F80°F0"0"
199186°F78°F0"0"
199087°F80°F0.25"0"
198986°F80°F0.03"0"
198885°F76°F0.3"0"
198785°F78°F1.32"0"
198688°F82°F0"0"
198585°F72°F0.89"0"
198486°F76°F0"0"
198388°F83°F0"0"
198288°F82°F0"0"
198186°F77°F1.83"0"
198084°F72°F0"0"
197985°F76°F1.02"0"
197889°F77°F0.58"0"
197789°F81°F0"0"
197686°F77°F0.2"0"
197585°F76°F0.86"0"
197486°F80°F0"0"
197386°F75°F0.64"0"
197285°F78°F0"0"
197188°F73°F0.08"0"

September 11 at Nearby Parks

Holiday Weather at Biscayne

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

Explore More at Biscayne

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