Myrtle Beach
September
Weather in Myrtle Beach for September 2025
Your guide to Myrtle Beach weather in September - trends and predictions
In general, the average temperature in Myrtle Beach at the beginning of September is 29 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 27.1 °F by the end of September.
The climate of Myrtle Beach in September is notably wet, with an average of 13 rainy days.
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17
Dry days
13
Rainy days
0
Snow days
28°/21°
Temperatures
19 km/h
Avg max wind
73 %
Avg humidity
Myrtle Beach in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2  29° | 3 27° | 4  29° | 5 31° | 6  29° | 7  28° |
| 8 27° | 9 27° | 10 28° | 11 28° | 12  28° | 13 28° | 14  28° |
| 15 28° | 16 24° | 17 27° | 18 27° | 19 28° | 20 28° | 21 27° |
| 22 26° | 23 24° | 24 27° | 25 29° | 26 26° | 27 26° | 28 26° |
| 29 28° | 30 28° |
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Temperatures trend during September in Myrtle Beach
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Patchy rain possible | 30° /24° | 0.5 mm | 7 | |
| Sept. 2 | Moderate or heavy rain shower | 29° /23° | 14.5 mm | 6 | |
| Sept. 3 | Patchy rain possible | 27° /21° | 5.8 mm | 6 | |
| Sept. 4 | Partly cloudy | 29° /20° | 2 mm | 7 | |
| Sept. 5 | Partly cloudy | 31° /21° | 0.1 mm | 7 | |
| Sept. 6 | Thundery outbreaks possible | 29° /22° | 0.9 mm | 7 | |
| Sept. 7 | Sunny | 28° /22° | 20.9 mm | 7 | |
| Sept. 8 | Thundery outbreaks possible | 27° /21° | 3.6 mm | 6 | |
| Sept. 9 | Light rain shower | 27° /22° | 3.8 mm | 6 | |
| Sept. 10 | Moderate or heavy rain shower | 28° /21° | 3.5 mm | 7 | |
| Sept. 11 | Patchy rain possible | 28° /22° | 0.3 mm | 7 | |
| Sept. 12 | Fog | 28° /22° | 0.3 mm | 7 | |
| Sept. 13 | Fog | 28° /22° | 10.5 mm | 7 | |
| Sept. 14 | Overcast | 28° /21° | 0.8 mm | 6 | |
| Sept. 15 | Sunny | 28° /20° | 0.3 mm | 7 | |
| Sept. 16 | Sunny | 24° /19° | 14.1 mm | 6 | |
| Sept. 17 | Moderate rain at times | 27° /20° | 15.9 mm | 6 | |
| Sept. 18 | Mist | 27° /21° | 0.9 mm | 7 | |
| Sept. 19 | Partly cloudy | 28° /22° | 2.1 mm | 7 | |
| Sept. 20 | Partly cloudy | 28° /20° | 0 mm | 7 | |
| Sept. 21 | Overcast | 27° /22° | 0.1 mm | 7 | |
| Sept. 22 | Patchy rain possible | 26° /21° | 0.2 mm | 7 | |
| Sept. 23 | Light rain shower | 24° /19° | 37.6 mm | 6 | |
| Sept. 24 | Patchy rain possible | 27° /21° | 0.1 mm | 6 | |
| Sept. 25 | Patchy rain possible | 29° /22° | 0 mm | 7 | |
| Sept. 26 | Light rain shower | 26° /22° | 7.8 mm | 6 | |
| Sept. 27 | Patchy rain possible | 26° /22° | 32.2 mm | 6 | |
| Sept. 28 | Patchy rain possible | 26° /21° | 0 mm | 6 | |
| Sept. 29 | Overcast | 28° /21° | 4.4 mm | 6 | |
| Sept. 30 | Patchy rain possible | 28° /21° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Myrtle Beach in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Myrtle Beach forecast closer to your planned date for the most up-to-date weather information.
Myrtle Beach in September - FAQ
What are the expected maximum and minimum temperatures in Myrtle Beach during September?
During September, expect a variety of temperatures with highs around 28° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Myrtle Beach during September?
Significant rainfall exceeding 163.7 mm is expected in Myrtle Beach during September, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Myrtle Beach during September?
The average wind speed in Myrtle Beach during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Myrtle Beach
Explore the daily rainfall trends and prepare for Myrtle Beachs September weather 💧
UV exposure in Myrtle Beach during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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