Temperatures in September
It's hot in September in South Carolina with an average temperature of 31°C. Temperatures this month range from a low of 28°C to a high of 33°C. At night, you can expect temperatures between 17°C and 23°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for South Carolina in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in South Carolina with hot temperatures, averaging around 33°C during the day and nights close to 22°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-September
By mid-September, the average daytime temperature drops to around 31°C, with nights close to 21°C. The chance of precipitation is high during this period.
End of September
By the end of September, the average daytime temperature in South Carolina will be around 30°C, with nights close to 19°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in September
In September, there is an average of 207 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
The average precipitation chance is 28% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for South Carolina. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
South Carolina in September |
UK | ||
|---|---|---|---|
 Average Temperature |
31°C | 20°C | |
 High Temp |
33°C | 22°C | |
| Low Temp |
28°C | 17°C | |
 Total Precipitation |
207 mm | 44 mm | |
| Rainy Days |
8 days | 8 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 South Carolina?
After some sun? Then September isn’t the best time to be in South Carolina. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for South Carolina in September
With 37°C, South Carolina hit the highest temperature in the last 10 years in September 2022. The lowest daytime temperature in this month was 17°C in 2014. The extreme night temperatures ranged from a low of 9°C to a high of 26°C.
Check out the climate of South Carolina for all months and discover the best travel time
The climate of South Carolina is based on weather data from . Other spots, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in South Carolina for a full picture of the climate.
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Daily Temperature in September in South Carolina
This chart shows the average daily temperatures, both day and night, for each day in September in South Carolina, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in South Carolina
The chart below shows the average daily precipitation in September for South Carolina, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 8 days of rain in South Carolina.
Daily UV Index in September in South Carolina
This chart shows the average daily UV index in September in South Carolina, 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 South Carolina Over the Years
This chart shows the average temperature in September in South Carolina, measured in degrees Celsius, over the past years.
Total Precipitation in September in South Carolina Over the Years
This chart shows the average precipitation in September in South Carolina, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for South Carolina
Click on a specific day in September for detailed info on the typical weather on that day in South Carolina. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in South Carolina
Have you been to South Carolina in September?
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Average Weather in South Carolina by Month
Click on a month below to see detailed weather info for South Carolina. 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 South Carolina for all months at once
