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Biscayne · September

Biscayne in September

September is a busy time to visit Biscayne — about as busy as August, busier than October.

Crowd score

How busy it gets

8/10
Busy

Approaching peak season — expect full lots by mid-morning and busy overlooks.

About 73% of this park's busiest month.

Source: NPS Visitor Use Statistics, 2023–2025

Data: NPS visitation 2023–2025 · crowd scores computed Jul 2026 · alerts checked Jul 10, 2026. How this is calculated →

Computed from federal data · Methodology by Sharon Ben-Moshe

Visitation

Typical September visits vs. the year

September (typical)41,835
Peak — July57,496
Quietest — November31,491

Typical monthly recreation visits, averaged over the most recent three full years.

Source: NPS Visitor Use Statistics, 2023–2025

Weather

September weather

Avg high
Avg low
Precipitation
9.2"
Sunrise
6:06 AM
Sunset
6:24 PM
Daylight
12.3h

Source: NOAA 1991–2020 climate normals, CUTLER RIDGE 1.5 SSW, FL US

What's open

Biscayne in September: access

Launch your own canoe or kayak from the ramp near the parking area, enjoy a picnic on the lawn, or stroll along the jetty trail.

No seasonal road or area closures reported for this park.

Source: NPS Data API

Conditions

Current alerts

  • Caution

    Boater Awareness

    Please use caution in park waters due to navigational markers that may be missing or moved due to unforeseen circumstances.

  • Information

    Ride Share Services

    Convoy Point grounds, Jetty Trail, kayak launch, and picnic area open at 7 a.m. and close at 5:30 p.m. If you are using a ride share service for transportation to and from the park, ensure ride share services can be onsite before closing time.

  • Information

    Camping and Docking at Boca Chita and Elliott Keys

    Docking at Boca Chita and Elliott Keys: $25.00 Friday - Monday and Federal Holidays Camping at Boca Chita and Elliott Keys: $35.00 per night. Payments must be made on site using the recreation.gov phone app.

Source: NPS Data API

Context

Biscayne crowds across the year

JanFebMarAprMayJunJulAug8SepOctNovDec

Alternatives

Quieter nearby in September

FAQ

Biscayne in September

How busy is Biscayne in September?

September rates 8/10 for crowds (Busy) at Biscayne National Park — about 73% of its busiest month. Typical recreation visits: 41,835.

What is the weather like at Biscayne in September?

In September, Biscayne averages a high of 0°F and a low of 0°F, with about 9.2 inches of precipitation.