Weather in Biscayne National Park in september 2025

The weather in Biscayne National Park in the month of september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.

Average weather throughout september

tolerable weather UV index: 7

Weather at 6am
83°F

Clear/Sunny

30%

Partly Cloudy

25%

Heavy rain

9%

Weather at 12pm
90°F

Clear/Sunny

24%

Partly Cloudy

23%

Heavy rain

20%

Weather at 6pm
85°F

Clear/Sunny

26%

Partly Cloudy

23%

Moderate rain at times

22%

Weather at 3am
83°F

Clear/Sunny

34%

Moderate rain at times

34%

Partly Cloudy

24%

Heavy rain

6%



Evolution of daily average temperature and precipitation in Biscayne National Park in september

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Biscayne National Park in september.


The climate of Biscayne National Park in september is tolerable

the weather in Biscayne National Park in september is wet (with 13.1in of rainfall over 19 days). The weather is better from the previous month since in august it receives an average of 14.6in of rainfall over 20 days.

The climate enjoyable there the month of september. Temperatures are up to 90°F. The minimum is 83°F. Thus, the mean temperature average in september in Biscayne National Park is 86°F. These temperatures are far removed from those records observed in Biscayne National Park in september with a maximum record of 95°F in 2021 and a minimum record of 76°F in 2010. You You can hope to have 86°F or more across the month.

On average, in Biscayne National Park, the days of september last 12:17. Sunrise is at 06:07 and sets at 18:24.

With proper weather, this month is okay (but not the best) to go in this locality.



Biscayne National Park: another month?

If you can push back the dates of your trip, we advise you to go in october to Biscayne National Park. more information

September: another location in Florida?

If you want to go to Florida in september, there are destinations with better weather than Biscayne National Park:

In september, Everglades National Park, Apalachicola, Cedar Key, Falling Waters State Park, Fort Walton Beach and Gainesville have good weather.

more information about Florida's weather in september


Seasonal average climate and temperature of Biscayne National Park in september

Check below seasonal norms These datas are compiled from the weather statements of the past years of september.

September
Outside temperature
Average temperature 86°F
Highest temperature 90°F
Lowest temperature 83°F
Highest record temperature 95°F
(2021)
Lowest record temperature 76°F
(2010)
Number of days at +86°F 28 day(s)
(93%)
Number of days at +65°F 30 day(s)
(100%)
Sea temperature
Average sea temperature 86°F
Lowest sea temperature 84°F
Highest sea temperature 87°F
Wind
Wind speed 18km/h
Wind temperature 83°F
Precipitation (rainfall)
Rainfall 13.1in
Number of days with rainfall 19 day(s)
(63%)
Record daily rainfall 10.3in
(2017)
Other climate data
Humidity 78%
Visibility 9.08km
Cloud cover 31%
UV index 7
Daily sunshine hours 11
Sunrise and sunset
Time of sunrise 06:07
Time of sunset 18:24
Length of day 12:17
Our opinion about the weather in september
Our opinion at whereandwhen.net tolerable



How was the weather last september?

Here is the day by day recorded weather in Biscayne National Park in september 2024:

01-09-2024
Patchy rain nearby
81°F to 86°F
02-09-2024
Patchy rain nearby
83°F to 86°F
03-09-2024
Clear/Sunny
85°F to 88°F
04-09-2024
Patchy rain nearby
85°F to 88°F
05-09-2024
Patchy rain nearby
85°F to 88°F
06-09-2024
Clear/Sunny
83°F to 88°F
07-09-2024
Clear/Sunny
83°F to 88°F
08-09-2024
Patchy rain nearby
85°F to 88°F
09-09-2024
Patchy rain nearby
83°F to 88°F
10-09-2024
Patchy rain nearby
85°F to 88°F
11-09-2024
Patchy rain nearby
83°F to 88°F
12-09-2024
Patchy rain nearby
85°F to 88°F
13-09-2024
Patchy rain nearby
85°F to 88°F
14-09-2024
Patchy light drizzle
85°F to 92°F
15-09-2024
Clear/Sunny
81°F to 88°F
16-09-2024
Partly Cloudy
83°F to 90°F
17-09-2024
Light rain shower
83°F to 85°F
18-09-2024
Partly Cloudy
81°F to 88°F
19-09-2024
Moderate or heavy rain shower
79°F to 83°F
20-09-2024
Heavy rain at times
79°F to 85°F
21-09-2024
Clear/Sunny
79°F to 88°F
22-09-2024
Partly Cloudy
79°F to 88°F
23-09-2024
Clear/Sunny
79°F to 88°F
24-09-2024
Clear/Sunny
81°F to 90°F
25-09-2024
Light rain shower
83°F to 88°F
26-09-2024
Light rain shower
83°F to 86°F
27-09-2024
Light rain shower
83°F to 88°F
28-09-2024
Clear/Sunny
83°F to 92°F
29-09-2024
Overcast
81°F to 86°F
30-09-2024
Cloudy
81°F to 86°F

Map: other cities in Florida in september

Cities near Biscayne National Park:

Miami in septembertolerable weather
Key Largo in septembertolerable weather
Fort Lauderdale in septembertolerable weather
Everglades National Park in septembergood weather
Islamorada in septembertolerable weather
Big Cypress National Preserve in septembertolerable weather
Boynton Beach in septemberbad weather
West Palm Beach in septembertolerable weather
Big Pine Key in septembertolerable weather
Marco Island in septembertolerable weather
Naples in septembertolerable weather
Key West in septembertolerable weather
Florida in september: See full list of cities

Click over cities on the map for information about the weather in september.

Legend: Biscayne National Park perfect weather good tolerable bad very bad


Weather data for Biscayne National Park in september:

Weather data for Biscayne National Park for september are derived from an average of the weather forecast since 2009 in Biscayne National Park. There is a margin of error and these forecasts are to be considered as general information only. The weather in Biscayne National Park can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Biscayne National Park.


Weather in august in Biscayne National Park
Weather in october in Biscayne National Park
Change units