Measurements:
°C
°F
CURRENT WEATHER
08:58
Myrtle Beach
78°F
SW 9 mph
Feels like: 80°F
Precip: 18%
World Resorts USA Myrtle Beach Weather

7 Day Weather Forecast

09.15
tue
DAY
86°F
W 8 mph
precip
3%
NIGHT
74°F
W 6 mph
precip
5%
09.16
wed
DAY
86°F
SW 7 mph
precip
1%
NIGHT
74°F
W 6 mph
precip
5%
09.17
thu
DAY
86°F
SW 6 mph
precip
2%
NIGHT
78°F
W 3 mph
precip
13%
09.18
fri
DAY
92°F
W 4 mph
precip
2%
NIGHT
80°F
NW 4 mph
precip
12%
09.19
sat
DAY
90°F
NW 4 mph
precip
22%
NIGHT
82°F
N 5 mph
precip
22%
09.20
sun
DAY
94°F
N 6 mph
precip
4%
NIGHT
82°F
N 6 mph
precip
24%
09.21
mon
DAY
94°F
N 6 mph
precip
7%
NIGHT
82°F
N 6 mph
precip
23%

Myrtle Beach Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Myrtle Beach was 28.6°F. The maximum and minimum values were 28.0°F and 29.3°F respectively.

Myrtle Beach on the Weather Map

Best Time to Visit Myrtle Beach
The most sunny months:
October 17 days
April 17 days
November 16 days
The most warm months:
July 92.0 °F
August 89.6 °F
June 88.5 °F
Warmest sea temperature:
August 86.8 °F
July 86.8 °F
September 83.7 °F
The most cold months:
January 54.2 °F
December 58.0 °F
February 58.7 °F
The most rainy months:
August 5 days
June 3 days
July 3 days
The most windy months:
March 9 mph
February 8 mph
April 8 mph
more details