Beaufort County (Hilton Head Island)
September
Weather in Beaufort County, South Carolina for September 2026
Your guide to Beaufort County weather in September - trends and predictions
So far, September 2026 in Beaufort County is slightly warmer than the historical average by 1.6 °F.
Expect cooler weather in the next days in Beaufort County with the forecast suggesting a temperature of 26.2 °F, lower than the historical average.
In general, the average temperature in Beaufort County at the beginning of September is 29.4 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 27.1 °F by the end of September.
Beaufort County in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 153.6 mm.
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Temperatures
Rain 🌧️
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13
Dry days
17
Rainy days
0
Snow days
27°/23°
Temperatures
24 km/h
Avg max wind
79 %
Avg humidity
Beaufort County Weather September
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Temperatures trend during September in Beaufort County
See the weather trend as well as the moving average line
September weather in Beaufort County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 29° /24° | 1.7 mm | 7 | |
| Sept. 2 |  Sunny | 30° /24° | 1.6 mm | 7 | |
| Sept. 3 | Light rain shower | 29° /23° | 4.6 mm | 8 | |
| Sept. 4 | Sunny | 30° /24° | 1.3 mm | 8 | |
| Sept. 5 | Light rain shower | 30° /24° | 2.4 mm | 8 | |
| Sept. 6 |  Moderate or heavy rain shower | 30° /24° | 13.7 mm | 7 | |
| Sept. 7 |  Light rain | 28° /23° | 14.5 mm | 6 | |
| Sept. 8 | Moderate or heavy rain shower | 25° /21° | 53.9 mm | 5 | |
| Sept. 9 | Light rain shower | 27° /22° | 49.7 mm | 5 | |
| Sept. 10 | Patchy rain possible | 28° /22° | 1.3 mm | 6 | |
| Sept. 11 | Patchy rain possible | 28° /23° | 4.5 mm | 5 | |
| Sept. 12 | Moderate or heavy rain shower | 28° /23° | 7.8 mm | 7 | |
| Sept. 13 | Light rain shower | 30° /23° | 1.8 mm | 5 | |
| Sept. 14 | Light rain shower | 29° /23° | 3.1 mm | 7 | |
| Sept. 15 | Light rain shower | 28° /23° | 1.8 mm | 5 | |
| Sept. 16 | Patchy rain possible | 27° /22° | 0.1 mm | 6 | |
| Sept. 17 | Sunny | 28° /21° | 0 mm | 8 | |
| Sept. 18 |  Partly cloudy | 29° /24° | 0 mm | 8 | |
| Sept. 19 | Sunny | 30° /24° | 2.9 mm | 7 | |
| Sept. 20 | Partly cloudy | 28° /23° | 2.9 mm | 5 | |
| Sept. 21 |  Cloudy | 28° /23° | 0.4 mm | 6 | |
| Sept. 22 |  Fog | 27° /23° | 3 mm | 5 | |
| Sept. 23 | Cloudy | 28° /22° | 0.8 mm | 4 | |
| Sept. 24 |  Overcast | 25° /21° | 8.2 mm | 5 | |
| Sept. 25 | Partly cloudy | 27° /21° | 1.4 mm | 7 | |
| Sept. 26 | Moderate or heavy rain shower | 28° /25° | 4 mm | 7 | |
| Sept. 27 | Overcast | 28° /17° | 0 mm | 7 | |
| Sept. 28 | Sunny | 27° /19° | 0 mm | 7.2 | |
| Sept. 29 | Sunny | 28° /24° | 2.9 mm | 7.3 | |
| Sept. 30 | Sunny | 27° /24° | 1.2 mm | 7.2 | |
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Important Notice
Our weather forecast for Beaufort County 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 Beaufort County forecast closer to your planned date for the most up-to-date weather information.
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Beaufort County in September - FAQ
What are the expected maximum and minimum temperatures in Beaufort County during September?
During September, expect a variety of temperatures with highs around 27° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Beaufort County during September?
Significant rainfall exceeding 153.6 mm is expected in Beaufort County during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Beaufort County during September?
The average wind speed in Beaufort County during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Beaufort County
Explore the daily rainfall trends and prepare for Beaufort Countys September weather 💧
Typically, Beaufort County has 17 rainy days in September with a total of 153.6 mm of rainfall.
UV exposure in Beaufort County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Beaufort County?Get accurate weather forecasts for Beaufort County, located at latitude 32.194 and longitude -80.738. Stay updated with localized weather information tailored for Beaufort County.
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