Jacksonville in september: average Weather, Temperature and Climate
Weather in Jacksonville in september 2025
The weather in Jacksonville in september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 7
Weather at 6am
77°F
Clear/Sunny
34% of time
30%
25%
6%
Weather at 12pm
88°F
Clear/Sunny
33% of time
27%
23%
13%
Weather at 6pm
81°F
Clear/Sunny
43% of time
30%
13%
8%
Weather at 3am
76°F
31%
31%
24%
9%
Evolution of daily average temperature and precipitation in Jacksonville in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Jacksonville in september.
The climate of Jacksonville in september is good
In september in Jacksonville, the climate is wet (with 7in of precipitation over 10 days). This is better than the previous month since in august it receives an average of 9.1in of rainfall over 15 days.
The climate pleasant in that locality september. The high seasonal norm is 90°F. On average, the recorded minimum temperature is 77°F. Thus, the mean temperature average in september in Jacksonville is 83°F. These temperatures are far removed from those records observed in Jacksonville in september with a maximum record of 101°F in 2019 and a minimum record of 61°F in 2009. You can plan to have about 23 days with temperatures up to 86°F, or 77 of the month.
On average, in Jacksonville, the days of september last 12:20. The sun rises at 06:11 and sunset is at 18:31.
With a good weather, september is a good month to go in Jacksonville.
Seasonal average climate and temperature of Jacksonville in september
Check below seasonal norms These statistics are generated from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 83°F | ||||
| Highest temperature | 90°F | ||||
| Lowest temperature | 77°F | ||||
| Highest record temperature | 101°F (2019) | ||||
| Lowest record temperature | 61°F (2009) | ||||
| Number of days at +86°F | 23 day(s) (77%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 83°F | ||||
| Lowest sea temperature | 81°F | ||||
| Highest sea temperature | 85°F | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 77°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 7in | ||||
| Number of days with rainfall | 10 day(s) (33%) | ||||
| Record daily rainfall | 7.6in (2017) | ||||
| Other climate data | |||||
| Humidity | 86% | ||||
| Visibility | 9.32km | ||||
| Cloud cover | 33% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:11 | ||||
| Time of sunset | 18:31 | ||||
| Length of day | 12:20 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Jacksonville in september 2024:
77°F to 90°F
77°F to 92°F
77°F to 88°F
76°F to 86°F
76°F to 88°F
76°F to 88°F
76°F to 85°F
74°F to 83°F
74°F to 79°F
74°F to 83°F
76°F to 77°F
76°F to 83°F
74°F to 85°F
76°F to 86°F
76°F to 85°F
74°F to 88°F
74°F to 86°F
77°F to 86°F
76°F to 86°F
74°F to 85°F
76°F to 83°F
74°F to 90°F
74°F to 94°F
76°F to 94°F
79°F to 86°F
79°F to 85°F
81°F to 88°F
76°F to 92°F
79°F to 90°F
79°F to 88°F
Map: other cities in Florida in september
Cities near Jacksonville:
| Fernandina Beach in september | tolerable weather |
| St. Augustine in september | tolerable weather |
| Palm Coast in september | tolerable weather |
| Lake City in september | good weather |
| Gainesville in september | good weather |
| Ocala National Forest in september | tolerable weather |
| Daytona Beach in september | tolerable weather |
| New Smyrna Beach in september | good weather |
| Steinhatchee in september | good weather |
| Cedar Key in september | good weather |
| Orlando in september | tolerable weather |
| Titusville in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Jacksonville
perfect weather
good
tolerable
bad
very bad
Weather data for Jacksonville in september:
Weather data for Jacksonville for september are derived from an average of the weather forecast since 2009 in Jacksonville. There is a margin of error and these forecasts are to be considered as general information only. The weather in Jacksonville 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 Jacksonville.