Nags Head, Outer Banks weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Excellent
Best time to visit: June – September
What is the weather like in Nags Head, Outer Banks in September?
In September, Nags Head, Outer Banks is warm: daytime highs average 25 °C, and even at night it stays warm at around 22 °C. The sea averages 24.5 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 112 mm in total. The air is often humid and muggy. It is often windy, with gusts of around 30 km/h. All in all, September is an excellent month for a holiday in Nags Head, Outer Banks.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 83 | 82 | 50 |
| Day | 28° | 25° | 21° |
| Night | 24° | 22° | 17° |
| Sea | 26° | 25° | 21° |
| Sun | 8 h | 6 h | 6 h |
| Rain days | 12 | 11 | 8 |
More details for September
- Daylight
- 12 h 28 min06:44 – 19:12
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 21 daysdew point 18 °C or moreAll months
- Wind
- 30 km/haverage daily peakAll months
- Cloud cover
- 53 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %55 %
- Few rainy daysweight 20 %54 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
- Windproof jacket
Nags Head, Outer Banks in September: quick answers
Is Nags Head, Outer Banks hot in September?
Warm rather than hot: in September, daytime highs in Nags Head, Outer Banks average 25 °C and nights cool to about 22 °C.
Can you swim in Nags Head, Outer Banks in September?
Yes. In September the sea averages 24.5 °C – pleasant for swimming.
Does it rain much in Nags Head, Outer Banks in September?
Rain is frequent, with about 11 rainy days and 112 mm in total.
Nags Head, Outer Banks month by month
The whole year in Nags Head, Outer BanksAll destinations: USAWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences