Myrtle Beach Weather in September: Temperature, Precipitation, Wind

Temperature
23.7°C
74.6°F
High temperature
27.4°C
81.3°F
Low temperature
19.7°C
67.5°F
Feels like
24.6°C
76.3°F
Rainy days
12 days
Rainfall level
3.13mm
0.12 inch
Cloud coverage
32.8%
Wind speed
20.5km/h
12.7mph
Daylight time
12:22:33
UV index
7.6
1
clear day
23.3°C
74.0°F
2
clear day
23.1°C
74.0°F
3
clear day
22.9°C
73.0°F
4
clear day
25.6°C
78.0°F
5
clear day
28.1°C
83.0°F
6
clear day
27.9°C
82.0°F
7
clear day
28.0°C
82.0°F
8
rain
27.6°C
82.0°F
9
rain
26.2°C
79.0°F
10
rain
25.6°C
78.0°F
11
partly cloudy day
26.1°C
79.0°F
12
clear day
26.7°C
80.0°F
13
rain
26.4°C
80.0°F
14
rain
25.2°C
77.0°F
15
clear day
22.8°C
73.0°F
16
clear day
20.9°C
70.0°F
17
rain
22.4°C
72.0°F
18
rain
22.9°C
73.0°F
19
partly cloudy day
21.9°C
71.0°F
20
partly cloudy day
23.1°C
74.0°F
21
rain
21.9°C
71.0°F
22
rain
19.9°C
68.0°F
23
rain
17.6°C
64.0°F
24
partly cloudy day
23.0°C
73.0°F
25
clear day
24.5°C
76.0°F
26
rain
22.9°C
73.0°F
27
rain
20.5°C
69.0°F
28
cloudy
20.5°C
69.0°F
29
partly cloudy day
21.8°C
71.0°F
30
partly cloudy day
21.2°C
70.0°F

Myrtle Beach, United States in September experiences a warm and humid climate with occasional rainfall. The average temperature hovers around 23.7°C (74.6°F), providing comfortable conditions for visitors and residents alike. Daytime highs reach 27.4°C (81.3°F), while nighttime lows dip to 19.7°C (67.5°F).

Humidity levels in Myrtle Beach during September are relatively high, averaging 81.5%. The combination of warmth and humidity results in a “feels like” temperature of 24.6°C (76.3°F). On warm days, the maximum “feels like” temperature can climb to 29.9°C (85.7°F).

Precipitation is a common occurrence in Myrtle Beach during September. The month sees an average of 3.13 inches (79.5 mm) of rainfall, with a 40% probability of precipitation on any given day. Rain falls on approximately 12 days throughout the month, covering about 14.4% of the time.

Wind conditions in Myrtle Beach during September are moderate. Average wind speeds measure 20.5 km/h (12.7 mph), with gusts reaching up to 30.7 km/h (19.1 mph). The atmospheric pressure remains steady at 1016.4 hPa.

Cloud cover in Myrtle Beach during September is relatively low, averaging 32.8%. Visibility is good, extending to 15.6 km (9.7 miles) on average. The UV index is high at 7.6, indicating strong sun intensity.

Popular attractions in Myrtle Beach, such as Broadway at the Beach and the Myrtle Beach Boardwalk, benefit from the pleasant September weather. Visitors enjoy an average of 12 hours and 22 minutes of daylight, with sunrise occurring around 6:59 AM and sunset at 7:21 PM.

Severe weather risks are present in Myrtle Beach during September, with an average severe risk index of 31.7. Rain is the most common form of precipitation during this month.

What is the temperature in Myrtle Beach in September?

Average air temperature in Myrtle Beach is 23.7°C (74.6°F) in September. The outside temperature in Myrtle Beach feels like 24.6°C (76.3°F) on a typical September day. The highest average temperature during sunny days is 27.4°C (81.3°F) and feels like 29.9°C (85.7°F). The lowest average temperature after dark is 19.7°C (67.5°F) which feels like 19.7°C (67.5°F).

Daily Temperature in Myrtle Beach in September 0°C / 32.0°F 10°C / 50.0°F 20°C / 68.0°F 30°C / 86.0°F 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

How hot is Myrtle Beach in September?

The hot temperature in September in Myrtle Beach rises to 33.3°C (91.9°F) on sunny days with low cloud coverage and 81.5% humidity. During hottest days of September it feels like 40 °C (104°F). The average maximum temp in Myrtle Beach is 27.4°C (104°F) during day time in September.

How cold is Myrtle Beach in September?

The coldest temp in Myrtle Beach in September drops to 13.7°C (56.7°F) during the cold nights. With 20.5km/h (12.7mph) winds and 81.5% humidity it feels like 13.7°C (56.7°F) on the coldest nights. The average minimum temperature is 19.7°C (67.5°F) during night time in September.

Does it rain in Myrtle Beach in September?

Yes, it rains for 12 days in Myrtle Beach, United States in September averaging 3.13 mm of precipitation. Myrtle Beach has a 40% chance for rain throughout the entire month of September.

How much does it rain in Myrtle Beach throughout September?

Myrtle Beach has 3.13 mm (0.12 inch) of rain per day on average in September. It rains for an average of 12 days out of the entire month.

Is Myrtle Beach windy in September?

The average speed of wind in Myrtle Beach, United States during September is 20.5km/h (12.7mph) and average windgust is 30.7km/h (19mph). On some days in September wind can reach up to 45.2km/h (28.1mph).

Daily wind speed in Myrtle Beach in September 0km/h (0mph) 12km/h (7mph) 24km/h (15mph) 36km/h (22mph) 48km/h (30mph) 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

What is the direction of the wind in Myrtle Beach in September?

Most days of September the wind is blowing from Southeast direction in Myrtle Beach.

What are the humidity levels in Myrtle Beach in September?

The average humidity levels in Myrtle Beach in September are 81.5%. Daily humidity levels in Myrtle Beach range from 63.5% to 95% during September.

Daily humidity levels in Myrtle Beach in September 0% 24% 48% 72% 96% 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

How many hours of daylight are in Myrtle Beach in September?

Myrtle Beach has 12 hours 22 minutes of daylight in September on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Myrtle Beach in September is at 6:59:04 and the sunset is at 19:21:38.

What is the cloud coverage in Myrtle Beach in September?

Clouds cover 32.8% of the sky on average throughout September in Myrtle Beach. The cloud coverage ranges from 0% to 98.9% depending on the day of the month.

What is the UV level in September in Myrtle Beach?

The average UV index in Myrtle Beach is 7.6 in September. UV levels change throughout the month and range from 2 to 10.

What is the solar radiation in Myrtle Beach in September?

The average solar radiation is 189.1 W/m2 (Watts per square meter) in Myrtle Beach during September. However solar radiation levels change throughout the month and range from 37.7 W/m2 to 277.3 W/m2.

What is the solar energy during September in Myrtle Beach?

The average solar energy during September in Myrtle Beach is 16.3 MJ/m2 (megajoules per square metre). Solar energy ranges from 3.3 MJ/m2, to 23.9 MJ/m2 during September.

Are there severe weather risks in Myrtle Beach in September?

Yes, there is a 31.7% risk for severe weather in Myrtle Beach, United States in September.

What is the air pressure in Myrtle Beach in September?

On average the air pressure in Myrtle Beach in September is 1016.4 mb (millibars). Throughout the month the sea level pressure ranges from 1007.9 mb to 1022.1 mb.

What is the visibility in Myrtle Beach in September?

The average daylight visibility in Myrtle Beach in September is 15.6 km (9.7 miles). Depending on the precipitation the visibility ranges from 13.1 km (8.1 miles) to 16 km (9.9 miles) throughout September.

What is the dew point in Myrtle Beach in September?

The average dew point in Myrtle Beach during September is 20°C (68°F).

Where is the data for Myrtle Beach climate in September coming from?

The climate data for Myrtle Beach, South Carolina, United States in September is collected from the following weather stations.

  • CONWAY HORRY CO AIRPORT, SC US
  • MYRTLE BEACH AFB, SC US
  • NORTH MYRTLE BEACH, SC US
  • CW0637 Myrtle Beach SC US
  • KCRE
  • KHYW
  • KMYR