19.09
sat
sat
Day
90°F
SW 2 mph
Precip.
3%
3%
Night
75°F
N 2 mph
Precip.
44%
44%
20.09
sun
sun
Day
84°F
NW 3 mph
Precip.
57%
57%
Night
77°F
N 4 mph
Precip.
23%
23%
21.09
mon
mon
Day
86°F
NW 6 mph
Precip.
12%
12%
Night
77°F
NW 4 mph
Precip.
28%
28%
22.09
tue
tue
Day
84°F
W 4 mph
Precip.
14%
14%
Night
77°F
W 3 mph
Precip.
10%
10%
23.09
wed
wed
Day
84°F
W 7 mph
Precip.
11%
11%
Night
75°F
SW 5 mph
Precip.
20%
20%
24.09
thu
thu
Day
81°F
SW 7 mph
Precip.
6%
6%
Night
73°F
W 4 mph
Precip.
10%
10%
25.09
fri
fri
Day
79°F
W 5 mph
Precip.
25%
25%
Night
70°F
SW 9 mph
Precip.
47%
47%
sea water
temperature
temperature
| Folly Beach |
monthly
weather
weather
| Folly Beach |
current
weather
weather
| Folly Beach |
14 days
forecast
forecast
| Folly Beach |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 83.7°F. The highest and lowest sea temperatures during the month were 85.1°F and 82.0°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 72.3°F. The highest and lowest sea temperatures during the month were 79.3°F and 66.0°F.
Air temperature in Folly Beach, °F
Precipitation total in Folly Beach, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Folly Beach
Folly Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Folly Beach
Local time: 05:21
September 19, saturday
0600
75°F
E
2 mph
2 mph
0900
81°F
S
4 mph
4 mph
1200
90°F
SW
2 mph
2 mph
1500
82°F
N
9 mph
9 mph
1800
79°F
N
5 mph
5 mph
2100
77°F
NW
2 mph
2 mph
September 20, sunday
0000
75°F
N
2 mph
2 mph
0300
75°F
N
1 mph
1 mph
