19.09
sat
sat
Day

81°F
W 4 mph
Precip.
6%
6%
Night

81°F
N 5 mph
Precip.
41%
41%
20.09
sun
sun
Day

79°F
W 5 mph
Precip.
53%
53%
Night

81°F
N 8 mph
Precip.
20%
20%
21.09
mon
mon
Day

81°F
NW 6 mph
Precip.
17%
17%
Night

81°F
N 9 mph
Precip.
22%
22%
22.09
tue
tue
Day

79°F
W 6 mph
Precip.
23%
23%
Night

81°F
W 7 mph
Precip.
7%
7%
23.09
wed
wed
Day

79°F
SW 11 mph
Precip.
28%
28%
Night

77°F
SW 10 mph
Precip.
39%
39%
24.09
thu
thu
Day

75°F
SW 12 mph
Precip.
10%
10%
Night

79°F
SW 8 mph
Precip.
7%
7%
25.09
fri
fri
Day

77°F
SW 9 mph
Precip.
22%
22%
Night

73°F
SW 19 mph
Precip.
70%
70%
sea water
temperature
temperature
| Mount Pleasant |
monthly
weather
weather
| Mount Pleasant |
current
weather
weather
| Mount Pleasant |
14 days
forecast
forecast
| Mount Pleasant |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 83.8°F. The highest and lowest sea temperatures during the month were 85.5°F and 82.6°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 72.1°F. The highest and lowest sea temperatures during the month were 79.0°F and 65.7°F.
Air temperature in Mount Pleasant, °F
Precipitation total in Mount Pleasant, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Mount Pleasant
Mount Pleasant on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Mount Pleasant
Local time: 06:58
September 19, saturday
0900

79°F
S
6 mph
6 mph
1200

81°F
W
4 mph
4 mph
1500

81°F
N
8 mph
8 mph
1800

82°F
N
8 mph
8 mph
2100

81°F
NW
4 mph
4 mph
September 20, sunday
0000

81°F
N
5 mph
5 mph
0300

81°F
N
4 mph
4 mph
0600

81°F
E
2 mph
2 mph




























