September weather forecast
Cape Hatteras National Seashore, NC

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Weather in September

The perfect water temperature of 79.9°F (26.6°C) makes September a great period for swimming and other water activities in Cape Hatteras National Seashore, North Carolina.

Ocean temperature

In Cape Hatteras National Seashore, in September, the average water temperature is 79.9°F (26.6°C).
Note: Water temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for all water activities, offering enjoyment without causing discomfort over extended periods.

Daylight

In Cape Hatteras National Seashore, the average length of the day in September is 12h and 23min.
On the first day of September in Cape Hatteras National Seashore, sunrise is at 6:34 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:46 pm EDT.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the ocean temperature in September in Cape Hatteras National Seashore?

In Cape Hatteras National Seashore, in September, the average water temperature is 79.9°F (26.6°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Cape Hatteras National Seashore have in September?

In Cape Hatteras National Seashore, North Carolina, the average day length in September is 12h and 23min.

When is the sunrise / sunset in September in Cape Hatteras National Seashore?

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:46 pm EDT.

Average sea temperature in September
Cape Hatteras National Seashore, NC

Average sea temperature in September - Cape Hatteras National Seashore, NC
  • Average sea temperature in September: 79.8°F

The best month for swimming (with the highest average sea temperature) is August (82.9°F).
The coldest month (with the lowest average sea temperature) is February (57.2°F).

Average daylight in September
Cape Hatteras National Seashore, NC

Average daylight in September - Cape Hatteras National Seashore, NC
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

Cape Hatteras National Seashore, North Carolina, USA

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