Temperature in South Carolina in September

Daytime highs, nighttime lows and the warmest cities in South Carolina, the United States of America this September.

South Carolina, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in September ranging from 19°C (66°F) in Rosenheim to 31°C (88°F) in Columbia. Nighttime temperatures generally drop to 19°C (66°F) in Columbia and 9°C (48°F) in Rosenheim.

What is the temperature of the different cities in South Carolina, the United States of America in September?

Explore the map below to discover average September temperatures at the top destinations in South Carolina. For a deeper dive, simply click on any destination dot.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit South Carolina, check out our South Carolina's climate page.

See also: South Carolina weather by month.

Best Places to Visit in South Carolina in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across South Carolina.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in South Carolina

South Carolina temperatures in September: frequently asked questions

How hot does it get in South Carolina, the United States of America in September?

Daytime temperatures in Hilton Head Island typically peak at 29°C (84°F) in September, putting it in the high range.

How cold does it get at night in South Carolina, the United States of America in September?

Hilton Head Island sees nighttime lows close to 21°C (70°F) in September.

What is the warmest city in September in South Carolina, the United States of America?

According to our recent database analysis, Columbia is the warmest city. It experiences an average maximum daytime temperature of approximately 31°C (88°F) and rarely drops below 19°C (66°F) during the night.

What is the coldest city in September in South Carolina, the United States of America?

According to our data, Rosenheim holds the title for the coldest city in South Carolina, the United States of America in September. It experiences maximum temperatures of approximately 19°C (66°F) and drops to lows of about 9°C (48°F) during the night.

How much sun does South Carolina, the United States of America get in September?

Hilton Head Island enjoys close to 211 hours of sunlight. This not only brightens the days but also uplifts the atmosphere during the month.

What is the water temperature in September?

The water temperature averages approximately 28°C (82°F) in Hilton Head Island this month, a perfect temperature for swimming and cooling off.

Interested in more climate information?

We have much more information about the climate in South Carolina.

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