Islamorada in september: average Weather, Temperature and Climate
Weather in Islamorada in september 2025
The weather in Islamorada in september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through 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
85°F
Moderate rain at times
28% of time
27%
24%
17%
Weather at 12pm
86°F
Clear/Sunny
37% of time
25%
18%
17%
Weather at 6pm
85°F
Clear/Sunny
46% of time
30%
14%
8%
Weather at 3am
85°F
34%
28%
24%
13%
Evolution of daily average temperature and precipitation in Islamorada in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Islamorada in september.
The climate of Islamorada in september is tolerable
The weather in september in Islamorada is wet (with 11.9in of precipitation over 17 days). The weather is worst than the previous month since in august there is an average of 12.1in of precipitation over 16 days.
The climate comfortable in this city this month. Temperatures are up to 86°F. On average, the recorded minimum temperature is 85°F. Thus, the mean temperature average on this month of september in Islamorada is 85°F. These temperatures are far removed from those records observed in Islamorada in the month of september with a maximum record of 88°F in 2011 and a minimum record of 72°F in 2020. You can expect to have about 10 days with temperatures up to 86°F, or 33 of time.
On average, in Islamorada, the days of september last 12:17. Sunrise is at 06:09 and sets at 18:26.
With a correct climate, the month of september is okay (but not good) to go in that area in Florida.
Islamorada: another month?
If you can push back the dates of your trip, we advise you to go in october to Islamorada. more information
September: another location in Florida?
If you want to go to Florida in september, there are destinations with better weather than Islamorada:
In september, Everglades National Park, Apalachicola, Cedar Key, Falling Waters State Park, Fort Walton Beach and Gainesville have good weather.
Seasonal average climate and temperature of Islamorada in september
Check below seasonal norms These statistics are set from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 86°F | ||||
| Lowest temperature | 85°F | ||||
| Highest record temperature | 88°F (2011) | ||||
| Lowest record temperature | 72°F (2020) | ||||
| Number of days at +86°F | 10 day(s) (33%) | ||||
| 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 | 19km/h | ||||
| Wind temperature | 85°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 11.9in | ||||
| Number of days with rainfall | 17 day(s) (57%) | ||||
| Record daily rainfall | 10.7in (2017) | ||||
| Other climate data | |||||
| Humidity | 76% | ||||
| Visibility | 9.18km | ||||
| Cloud cover | 31% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:09 | ||||
| Time of sunset | 18:26 | ||||
| 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 Islamorada in september 2024:
83°F to 85°F
83°F to 85°F
83°F to 85°F
85°F to 85°F
85°F to 85°F
85°F to 85°F
85°F to 85°F
85°F to 86°F
85°F to 86°F
85°F to 86°F
85°F to 86°F
85°F to 86°F
85°F to 86°F
86°F to 86°F
83°F to 86°F
86°F to 86°F
85°F to 86°F
85°F to 85°F
79°F to 85°F
85°F to 85°F
85°F to 85°F
83°F to 86°F
85°F to 86°F
85°F to 86°F
85°F to 86°F
85°F to 86°F
85°F to 85°F
83°F to 86°F
81°F to 85°F
81°F to 83°F
Map: other cities in Florida in september
Cities near Islamorada:
| Key Largo in september | tolerable weather |
| Everglades National Park in september | good weather |
| Biscayne National Park in september | tolerable weather |
| Big Pine Key in september | tolerable weather |
| Miami in september | tolerable weather |
| Key West in september | tolerable weather |
| Big Cypress National Preserve in september | tolerable weather |
| Fort Lauderdale in september | tolerable weather |
| Marco Island in september | tolerable weather |
| Naples in september | tolerable weather |
| Boynton Beach in september | bad weather |
| West Palm Beach in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Islamorada
perfect weather
good
tolerable
bad
very bad
Weather data for Islamorada in september:
Weather data for Islamorada for september are derived from an average of the weather forecast since 2009 in Islamorada. There is a margin of error and these forecasts are to be considered as general information only. The weather in Islamorada 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 Islamorada.