02.09
wed
wed
Day
93°F
N 7 mph
Precip.
11%
11%
Night
84°F
SW 6 mph
Precip.
19%
19%
03.09
thu
thu
Day
86°F
N 5 mph
Precip.
19%
19%
Night
86°F
N 9 mph
Precip.
31%
31%
04.09
fri
fri
Day
86°F
NW 10 mph
Precip.
46%
46%
Night
86°F
NW 6 mph
Precip.
19%
19%
05.09
sat
sat
Day
86°F
N 6 mph
Precip.
5%
5%
Night
84°F
E 4 mph
Precip.
5%
5%
06.09
sun
sun
Day
86°F
NE 7 mph
Precip.
13%
13%
Night
84°F
E 3 mph
Precip.
36%
36%
07.09
mon
mon
Day
86°F
NE 4 mph
Precip.
5%
5%
Night
86°F
W 3 mph
Precip.
17%
17%
08.09
tue
tue
Day
86°F
NW 5 mph
Precip.
13%
13%
Night
86°F
E 2 mph
Precip.
12%
12%
sea water
temperature
temperature
| Marco Island |
monthly
weather
weather
| Marco Island |
current
weather
weather
| Marco Island |
14 days
forecast
forecast
| Marco Island |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 86.0°F. The highest and lowest sea temperatures during the month were 88.7°F and 84.2°F.
Air temperature in Marco Island, °F
Precipitation total in Marco Island, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Marco Island
Marco Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Marco Island
Local time: 11:52
September 02, wednesday
1200
93°F
N
7 mph
7 mph
1500
86°F
NE
8 mph
8 mph
1800
86°F
E
8 mph
8 mph
2100
82°F
S
4 mph
4 mph
September 03, thursday
0000
84°F
SW
6 mph
6 mph
0300
82°F
W
6 mph
6 mph
0600
84°F
NW
8 mph
8 mph
0900
84°F
NW
6 mph
6 mph
