Bluffton Weather in September

In Bluffton, September brings high daytime temperatures around 30°C (86°F), with nights cooling to 21°C (70°F). Expect quite a bit of rainfall this month.

Rainfall in Bluffton in September

Expect around 10 days of rain based on historical data, with 113 mm (4.4 in) average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Bluffton in September

In September, Bluffton sees high temperatures, with highs of 30°C (86°F). Nights drop to around 21°C (70°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 21°C (70°F), the nights are warm and generally comfortable.

Sunshine in Bluffton in September

The month enjoys around 211 hours of sunshine, creating mostly sunny days with good weather conditions.

Average water temperature in September

With water at 28°C (82°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. March, April, May, October and November typically offer the best weather for Bluffton.

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

Bluffton Temperature in September

Min Temperature 21°C (70°F)  

Max Temperature 30°C (86°F)  

Water Temperature 28°C (82°F) *  

Chance of Rain 34%  

Precipitation 113 mm (4.4 in)  

Rainy days 10 days  

Sunshine 211 hours *  

Percentage Sunshine 58% *  

* Data from: Hilton Head Island, the United States of America (10 KM, 6 Miles).

What to Wear in Bluffton in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Bluffton 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 Bluffton's climate page.

More climate data for Bluffton

Temperature Rainfall Sunshine Water Temp

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