Kiawah Island Weather in September

With daytime temperatures of 29°C (84°F) and nighttime lows of 22°C (72°F), September in Kiawah Island brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 139 mm (5.5 in) falls on average.

Rainfall in Kiawah Island in September

Historically, approximately 11 days this month are expected to have rain, averaging 139 mm (5.5 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Kiawah Island in September

Kiawah Island in September gets highs of 29°C (84°F) during the day and drops to 22°C (72°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

Sunshine in Kiawah Island in September

The city usually sees around 221 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If you prefer enjoying temperate temperatures and rain-free days, March, April, May and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Kiawah Island's climate page.

Kiawah Island Temperature in September

Min Temperature 22°C (72°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 37%  

Precipitation 139 mm (5.5 in)  

Rainy days 11 days  

Humidity 78% *  

Sunshine 221 hours *  

Percentage Sunshine 59% *  

* Data from: Charleston, the United States of America (24 KM, 14 Miles).

What to Wear in Kiawah Island in September

Warm but pleasant conditions in Kiawah Island in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Kiawah Island in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Kiawah Island's climate page.

More climate data for Kiawah Island

Temperature Rainfall Sunshine Humidity

See the full Kiawah Island climate overview or explore weather in the United States of America.