World Resorts USA North Myrtle Beach Weather

North Myrtle Beach Sea Temperature in September

Average sea water temperature in September:
+80.3°F
Minimum sea water temperature in September: 85.3°F
Maximum sea water temperature in September: 74.7°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 78.5°F. The highest and lowest sea temperatures during the month were 80.8°F and 75.7°F.

Monthly sea water temperature in North Myrtle Beach, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°F
Key Largo 86.6°F 87.1°F
Fort Lauderdale 86.4°F 86.4°F
Everglades 86.2°F 87.0°F
West Palm Beach 86.2°F 86.4°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
South Padre Island 86.0°F 85.8°F
Corpus Christi 85.8°F 84.7°F
Miami 85.8°F 86.0°F
Sanibel Island 85.7°F 87.0°F
Galveston 85.5°F 83.7°F
Houston 84.9°F 83.4°F
Siesta Key 84.9°F 86.8°F
Sarasota 84.8°F 86.7°F
Cocoa Beach 84.6°F 85.2°F
Tampa 84.3°F 86.0°F
New Orleans 84.3°F 82.9°F
St. Petersburg 84.1°F 86.1°F
Orange Beach 84.0°F 84.1°F

Best time for vacation in North Myrtle Beach

Sunniest months:
October 17 days
November 16 days
December 15 days
Warmest months:
July 85.3 °F
August 84.0 °F
June 82.3 °F
Warmest sea temp:
August 83.3 °F
July 83.2 °F
September 80.3 °F
Coldest months:
January 52.6 °F
December 56.3 °F
February 56.7 °F
Rainiest months:
August 6 days
July 5 days
September 3 days
Windiest months:
March 10.3 mph
February 10.0 mph
April 9.9 mph

North Myrtle Beach on a weather map

North Myrtle Beach
+66°F
NE 19 mph
Feels like: +66°F
Precip.: 0%
Places in USA:
Name
°F
+57°F
+72°F
+72°F
+81°F
+77°F
+77°F
+73°F
+68°F
+45°F
+81°F
+59°F
+73°F
+77°F
+77°F
+37°F
24 Hours Forecast
North Myrtle Beach
Local time: 16:33
February 26, thursday
1800
64°F
NE
12 mph
2100
57°F
NE
8 mph
February 27, friday
0000
55°F
NE
7 mph
0300
55°F
NE
6 mph
0600
55°F
NE
6 mph
0900
55°F
NE
3 mph
1200
57°F
NE
1 mph
1500
57°F
N
2 mph
Units of measurement: °C / °F