World Resorts USA Murrells Inlet Weather

Murrells Inlet weather in September

Weather in Murrells Inlet: September

Average day temperature: 81.2°F
Average night temperature: 70.7°F
Sea water temperature: 80.3°F
Number of sunny days: 12 days
Day length: 11.9 - 12.9 hours
Number of rainy days: 3 days
Precipitation totals: 1.4 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 87°F. At the same time the lowest night temperature was 64°F. Daily and nightly averages during September were 80.9°F and 70.0°F.

Sea water temperature in Murrells Inlet in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 78.4°F. The highest and lowest sea temperatures during the month were 81.5°F and 75.4°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

Precipitation total value in Murrells Inlet in September is 1.4 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 7.8 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 Murrells Inlet

Sunniest months:
October 17 days
April 16 days
November 15 days
Warmest months:
July 86.9 °F
August 85.3 °F
June 83.8 °F
Warmest sea temp:
August 82.9 °F
July 82.8 °F
September 80.3 °F
Coldest months:
January 54.0 °F
December 57.8 °F
February 58.6 °F
Rainiest months:
August 5 days
July 4 days
June 3 days
Windiest months:
March 9.0 mph
February 8.8 mph
January 8.8 mph

Murrells Inlet on a weather map

Murrells Inlet
+50°F
W 4 mph
Feels like: +48°F
Precip.: 100%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Murrells Inlet
Local time: 23:32
December 05, friday
0000
50°F
W
4 mph
0300
50°F
NW
7 mph
0600
48°F
W
1 mph
0900
48°F
SW
4 mph
1200
46°F
W
5 mph
1500
45°F
S
6 mph
1800
45°F
S
7 mph
2100
43°F
S
7 mph
Units of measurement: °C / °F