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
Marco Island 86.0°F 87.2°F
Hialeah 85.8°F 86.0°F
Corpus Christi 85.8°F 84.7°F
Miami 85.8°F 86.0°F
Galveston 85.5°F 83.7°F
Cape Coral 85.2°F 86.5°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

Best time for vacation in North Myrtle Beach

Sunniest months:
October 17 days
April 17 days
November 16 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
February 56.1 °F
December 56.3 °F
Rainiest months:
August 6 days
July 5 days
September 3 days
Windiest months:
March 10.2 mph
February 10.0 mph
April 9.9 mph

North Myrtle Beach on a weather map

North Myrtle Beach
+82°F
N 9 mph
Feels like: +88°F
Precip.: 2%
Places in USA:
Name
°F
+79°F
+79°F
+104°F
+77°F
+86°F
+84°F
+75°F
+75°F
+70°F
+63°F
+70°F
+91°F
+97°F
+88°F
+77°F
24 Hours Forecast
North Myrtle Beach
Local time: 17:04
June 08, monday
1800
82°F
N
9 mph
2100
77°F
W
9 mph
June 09, tuesday
0000
75°F
W
7 mph
0300
73°F
W
6 mph
0600
73°F
W
9 mph
0900
75°F
W
8 mph
1200
79°F
W
9 mph
1500
81°F
NW
9 mph
Units of measurement: °C / °F