Weather in Cape Hatteras, Cape Hatteras Island, United States in September

So you're interested in going to Cape Hatteras, Cape Hatteras Island, United States in September

September is a hot and slightly rainy time for sunbathing in Cape Hatteras. September is an excellent month for swimming in Cape Hatteras with very warm sea temperatures. Consider visiting Cape Hatteras in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for September.

Temperature in Cape Hatteras in September

The average maximum temperature in Cape Hatteras in September is 27°. The average maximum temperature is 30° in the previous month and 23° in the next month.

The average temperature in Cape Hatteras in September is 24°. The average temperature ranges is 27° in the previous month and 20° in the next month.

The average minimum temperature in Cape Hatteras in September is 21°. The minimum temperature is 23° in the previous month and 16° in the next month.

Sunshine in Cape Hatteras in September

The average day light hours per day in Cape Hatteras in September are 12.4 and there are 9.4 hours of sunshine per day on average during September making it a sunny month with few clouds.

The ultraviolet index in Cape Hatteras in September is typically 8.2 during September. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Cape Hatteras in September

The average sea water temperature in Cape Hatteras in September is 26° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Cape Hatteras in September

The average total rainfall in Cape Hatteras in September is 24.2cm and on average there are 12.7 rainy days in September making it a slightly wet time to visit the beach.

Humidity in Cape Hatteras in September

The maximum dew point (an indicator of humidity) in Cape Hatteras in September is 21° which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 24° in the previous month and 17° in the next month.

The average maximum relative humidity in Cape Hatteras in September is typically 88.7%. The maximum relative humidity is 90.2% in the previous month and 88.6% in the next month.

The average relative humidity in Cape Hatteras in September is typically 75.9%. The average relative humidity is 76.6% in the previous month and 74.1% in the next month.

Wind Speed in Cape Hatteras in September

The average maximum wind speed in Cape Hatteras in September is typically 26kmh. The average maximum wind speed is 25kmh in the previous month and 26kmh in the next month.

The average wind speed in Cape Hatteras in September is typically 14kmh. The average wind speed is 12kmh in the previous month and 14kmh in the next month.

The average wind direction in Cape Hatteras in September is from the North-Northeast.

Monthly Averages

Suggested Beaches in September

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