United StatesAverage weather for Myrtle Beach in September
It's warm in September in Myrtle Beach with an average temperature of 29°C. Temperatures this month range from a low of 25°C to a high of 31°C. At night, you can expect temperatures between 17°C and 24°C.
Start of September
The month of September starts in Myrtle Beach with hot temps, averaging around 31°C during the day and nights around 24°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid September
By mid-September, daytime temps drop to around 29°C, with nights around 22°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in Myrtle Beach is around 28°C, while nighttime temps are about 20°C. A shower might pop up, but overall, the weather will be dry and sunny.
Because temperatures drop in the evening, wearing layers is recommended.
In September, there is an average of 179 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Myrtle Beach in September |
New York | ||
|---|---|---|---|
 Average temperature |
29°C | 27°C | |
 Max. temperature |
31°C | 31°C | |
| Min. temperature |
25°C | -5°C | |
 Total precipitation |
179 mm | 57 mm | |
| Rainy days |
8 days | 9 days | |
August
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Myrtle Beach?
Looking for sun? September isn’t a good month to be in Myrtle Beach. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 35°C in 2020, Myrtle Beach reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 18°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 11°C to a highest value of 28°C.
Check out the climate of Myrtle Beach for all months and discover the best travel time
Daily Temperature in September in Myrtle Beach
This chart shows the average daily high and low temperatures in September for Myrtle Beach, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Myrtle Beach
The chart below shows the average daily precipitation in September for Myrtle Beach, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 8 days of precipitation in Myrtle Beach.
Daily UV index in September in Myrtle Beach
This chart shows the average daily UV index in September in Myrtle Beach, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Myrtle Beach over the years
This chart shows the average temperature in September in Myrtle Beach, measured in degrees Celsius, over the past few years.
Total precipitation in September in Myrtle Beach over the years
This chart shows the average precipitation in September in Myrtle Beach, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Myrtle Beach
Click on any day in September to get detailed info about the usual weather on that day in Myrtle Beach. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Myrtle Beach
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Average weather in Myrtle Beach by month
Click on a month below to see detailed weather info for Myrtle Beach. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Myrtle Beach for all months at once
