Measurements:
°C
°F
Mount Pleasant
84°F
SW 25 mph
Feels like: 90°F
Precip: 11%
World Resorts USA Mount Pleasant Weather

7 Day Weather Forecast

09.15
tue
DAY
84°F
W 23 mph
precip
7%
NIGHT
82°F
W 17 mph
precip
4%
09.16
wed
DAY
82°F
SW 17 mph
precip
7%
NIGHT
84°F
W 17 mph
precip
6%
09.17
thu
DAY
80°F
SW 18 mph
precip
8%
NIGHT
82°F
W 11 mph
precip
23%
09.18
fri
DAY
84°F
W 10 mph
precip
33%
NIGHT
84°F
N 8 mph
precip
18%
09.19
sat
DAY
84°F
W 7 mph
precip
27%
NIGHT
84°F
N 11 mph
precip
40%
09.20
sun
DAY
84°F
W 4 mph
precip
42%
NIGHT
84°F
N 9 mph
precip
14%
09.21
mon
DAY
84°F
N 5 mph
precip
34%
NIGHT
84°F
N 11 mph
precip
51%

Mount Pleasant Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Mount Pleasant was 28.8°F. The maximum and minimum values were 28.1°F and 29.7°F respectively.

Mount Pleasant on the Weather Map

Best Time to Visit Mount Pleasant
The most sunny months:
October 17 days
April 16 days
January 14 days
The most warm months:
July 92.0 °F
August 89.9 °F
June 88.6 °F
Warmest sea temperature:
July 88.1 °F
August 87.9 °F
September 84.0 °F
The most cold months:
January 56.3 °F
December 60.0 °F
February 60.5 °F
The most rainy months:
August 5 days
July 4 days
September 3 days
The most windy months:
March 9 mph
February 9 mph
April 9 mph