Cape Hatteras Weather in September

Thinking of visiting Cape Hatteras in September? Expect high temperatures reaching 27°C (81°F) during the day, dropping to 21°C (70°F) at night, and be prepared for the wettest month of the year.

Rainfall in Cape Hatteras in September

The month brings the heaviest rain of the year, often in intense bursts. Make sure to have a poncho to stay dry during the showers. The climate data from previous years indicates about 12 days of rain, averaging 224 mm (8.8 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Cape Hatteras in September

September in Cape Hatteras brings high temperatures, with highs of 27°C (81°F) and nights around 21°C (70°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

Sunshine in Cape Hatteras in September

With approximately 231 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in Cape Hatteras in September

Wind speeds average 5 m/s (10 knots) during September. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Average water temperature in September

The water temperature is 26°C (79°F), which most people find very comfortable. A good month for swimming and water sports.

Should you favor a climate that's both dry and comfortably warm, May and June typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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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 Cape Hatteras's climate page.

Cape Hatteras Temperature in September

Min Temperature 21°C (70°F)  

Max Temperature 27°C (81°F)  

Water Temperature 26°C (79°F)  

Chance of Rain 39%  

Precipitation 224 mm (8.8 in)  

Rainy days 12 days  

Humidity 72%  

Windspeed 5 m/s (10 knots)  

Sunshine 231 hours  

Percentage Sunshine  

What to Wear in Cape Hatteras in September

Warm but pleasant conditions in Cape Hatteras 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. It's going to pour! Pack a good poncho and prepare for very wet conditions. With water temperatures around 26°C (79°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Cape Hatteras in September

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

Swimming

8/10

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 Cape Hatteras's climate page.

More climate data for Cape Hatteras

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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