Current sea water temperature:
+83.1°F
| Minimum sea water temperature in September: | 85.3°F |
| Maximum sea water temperature in September: | 75.2°F |
| Average sea water temperature in September: | 80.6°F |
| more information | |
14 days
forecast
forecast
| Myrtle Beach |
monthly
weather
weather
| Myrtle Beach |
Sea water temperature for the last 10 days:
| September 14 | 83.1°F | September 9 | 82.8°F |
| September 13 | 82.6°F | September 8 | 84.0°F |
| September 12 | 82.4°F | September 7 | 84.4°F |
| September 11 | 82.8°F | September 6 | 84.7°F |
| September 10 | 83.1°F | September 5 | 84.2°F |
Monthly sea water temperature, °F
When is the warmest sea in Myrtle Beach?
Based on the data about daily sea water temperature for the last three years the warmest sea in Myrtle Beach was noticed in August, July and September.
Monthly Sea Temperatures in Myrtle Beach, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 83.7°F. The highest and lowest sea temperatures during the month were 85.3°F and 82.2°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 84.6°F. The highest and lowest sea temperatures during the month were 85.8°F and 83.3°F.
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.
current
weather
weather
| Myrtle Beach |
weather in
September
September
| Myrtle Beach |
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: 16:28
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
