World Resorts USA Myrtle Beach Weather

Myrtle Beach weather in September

Weather in Myrtle Beach: September

Average day temperature: 81.2°F
Average night temperature: 70.8°F
Sea water temperature: 80.7°F
Number of sunny days: 12 days
Day length: 11.9 - 12.9 hours
Number of rainy days: 3 days
Precipitation totals: 1.5 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 86°F. At the same time the lowest night temperature was 67°F. Day and night temperature averages during September were 79.8°F and 73.0°F.

Sea water temperature in Myrtle Beach in September, °F

Show year:
2024
2023
2022

The average sea water temperature in September of 2024 was 79.5°F. The highest and lowest sea temperatures during the month were 83.1°F and 76.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Myrtle Beach in September is 1.5 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 7.3 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.6.

Best time for vacation in Myrtle Beach

Sunniest months:
April 17 days
October 16 days
December 16 days
Warmest months:
July 87.1 °F
August 85.8 °F
June 83.7 °F
Warmest sea temp:
July 83.1 °F
August 83.0 °F
September 80.7 °F
Coldest months:
January 55.0 °F
December 58.1 °F
February 58.8 °F
Rainiest months:
August 6 days
July 5 days
June 4 days
Windiest months:
March 8.6 mph
April 8.5 mph
February 8.3 mph

Myrtle Beach on a weather map

Myrtle Beach
+57°F
E 8 mph
Feels like: +57°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+50°F
+75°F
+75°F
+59°F
+70°F
+77°F
+70°F
+46°F
+63°F
+57°F
+72°F
+72°F
+66°F
+34°F
24 Hours Forecast
Myrtle Beach
Local time: 13:34
November 21, thursday
1500
63°F
E
17 mph
1800
61°F
E
19 mph
2100
54°F
E
17 mph
November 22, friday
0000
50°F
E
14 mph
0300
46°F
E
12 mph
0600
45°F
SE
10 mph
0900
46°F
E
11 mph
1200
52°F
E
15 mph
Units of measurement: °C / °F