02.09
wed
wed
Day
86°F
W 6 mph
Precip.
17%
17%
Night
81°F
W 6 mph
Precip.
18%
18%
03.09
thu
thu
Day
88°F
NW 9 mph
Precip.
10%
10%
Night
79°F
NW 5 mph
Precip.
21%
21%
04.09
fri
fri
Day
90°F
N 9 mph
Precip.
23%
23%
Night
81°F
N 5 mph
Precip.
36%
36%
05.09
sat
sat
Day
91°F
E 6 mph
Precip.
6%
6%
Night
77°F
N 4 mph
Precip.
27%
27%
06.09
sun
sun
Day
82°F
N 6 mph
Precip.
18%
18%
Night
81°F
NE 2 mph
Precip.
30%
30%
07.09
mon
mon
Day
90°F
N 4 mph
Precip.
17%
17%
Night
81°F
NW 3 mph
Precip.
12%
12%
08.09
tue
tue
Day
91°F
N 3 mph
Precip.
17%
17%
Night
84°F
N 5 mph
Precip.
11%
11%
sea water
temperature
temperature
| Jacksonville |
monthly
weather
weather
| Jacksonville |
current
weather
weather
| Jacksonville |
14 days
forecast
forecast
| Jacksonville |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 81.1°F. The highest and lowest sea temperatures during the month were 84.7°F and 78.1°F.
Air temperature in Jacksonville, °F
Precipitation total in Jacksonville, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Jacksonville
Jacksonville on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Jacksonville
Local time: 11:49
September 02, wednesday
1200
86°F
W
6 mph
6 mph
1500
86°F
W
9 mph
9 mph
1800
88°F
W
11 mph
11 mph
2100
82°F
W
7 mph
7 mph
September 03, thursday
0000
81°F
W
6 mph
6 mph
0300
79°F
NW
6 mph
6 mph
0600
79°F
NW
3 mph
3 mph
0900
81°F
W
4 mph
4 mph
