14.09
mon
mon
Day
91°F
S 6 mph
Precip.
1%
1%
Night
81°F
W 12 mph
Precip.
8%
8%
15.09
tue
tue
Day
82°F
W 9 mph
Precip.
11%
11%
Night
72°F
SW 6 mph
Precip.
5%
5%
16.09
wed
wed
Day
82°F
SW 8 mph
Precip.
1%
1%
Night
72°F
W 6 mph
Precip.
5%
5%
17.09
thu
thu
Day
84°F
SW 7 mph
Precip.
2%
2%
Night
75°F
W 4 mph
Precip.
22%
22%
18.09
fri
fri
Day
88°F
W 6 mph
Precip.
11%
11%
Night
73°F
SW 8 mph
Precip.
29%
29%
19.09
sat
sat
Day
81°F
SW 12 mph
Precip.
6%
6%
Night
72°F
SW 5 mph
Precip.
12%
12%
20.09
sun
sun
Day
84°F
NW 4 mph
Precip.
2%
2%
Night
75°F
N 6 mph
Precip.
14%
14%
sea water
temperature
temperature
| Myrtle Beach |
monthly
weather
weather
| Myrtle Beach |
current
weather
weather
| Myrtle Beach |
14 days
forecast
forecast
| Myrtle Beach |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.6°F. The highest and lowest sea temperatures during the month were 81.1°F and 75.6°F.
Air temperature in Myrtle Beach, °F
Precipitation total in Myrtle Beach, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Myrtle Beach
Myrtle Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Myrtle Beach
Local time: 16:27
September 14, monday
1800
91°F
SW
5 mph
5 mph
2100
82°F
NE
4 mph
4 mph
September 15, tuesday
0000
81°F
W
12 mph
12 mph
0300
77°F
W
11 mph
11 mph
0600
75°F
SW
8 mph
8 mph
0900
75°F
SW
10 mph
10 mph
1200
82°F
W
9 mph
9 mph
1500
86°F
W
7 mph
7 mph
