Nags Head, NC weather in September
Nags Head is mild and oppressively humid in September, with some rain: highs average 79°F and nights drop to about 69°F. There are about 7 days with rain.
- Normal high
- 79°F
- Normal low
- 69°F
- Wet days
- 7
- 4.5 in total
- Muggy days
- 22
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 82°F | 76°F |
| Normal low | 71°F | 64°F |
| Chance of a wet day | 23% | 21% |
| Sunrise / sunset | 6:34 am / 7:30 pm | 6:56 am / 6:48 pm |
| Daylight | 12.9 h | 11.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical September day
- 6 am73°Fdew point 68°F
- 9 am78°Fdew point 69°F
- Noon80°Fdew point 69°F
- 3 pm79°Fdew point 68°F
- 6 pm76°Fdew point 68°F
- 9 pm74°Fdew point 68°F
NOAA hourly normals (local standard time) from Cape Hatteras Airport (50 mi away); average wind 9 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F4 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph14 of 30
- Hot dayshigh 90°F or more1 of 30
- Muggy daysdaily mean dew point 65°F or more22 of 30
- Wet daysat least 0.01 in of rain or melted snow7 of 30
- Notable rainat least 0.10 in6 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 4.5 in; a dry September brings about 2.9 in and a wet one about 6.5 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202005: average high 83°F
- Coolest September2006: average high 78°F
- Wettest September1999: 10.4 in
- Driest September2013: 0.4 in
- Highest reading94°F (September 3, 2020)
- Lowest reading46°F (September 30, 1991)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 84°F | 79°F | 71°F |
| Normal low | 72°F | 69°F | 58°F |
| Wet days | 8 | 7 | 6 |
| Comfortable days | 0 | 4 | 11 |
| Daylight | 13.5 h | 12.4 h | 11.3 h |
Highs change by -5°F from August and -8°F into October.
How Nags Head ranks in September
- Normal high206th warmest of 378 cities; 9th of 10 in North Carolina
- Wet days126th driest of 378
- Comfortable days224th most of 342
What to pack for Nags Head in September
- A swimsuit – about 14 beach days
Heating and cooling
September has 3 heating degree days and 270 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is Nags Head in September?
The normal high is 79°F and the normal low is 69°F. From 1991 to 2020 the hottest September reading was 94°F (September 3, 2020).
Does it rain a lot in Nags Head in September?
About 7 days in September have at least 0.01 in of precipitation, and the normal total is 4.5 in. The wettest September in 1991-2020 was in 1999 (10.4 in); the driest was in 2013 (0.4 in).
Is September a good time to visit Nags Head?
September ranks 7th of 12 months on our comfort score for Nags Head (53 out of 100). It has about 4 comfortable days and about 1 day at 90°F or hotter. The best months are April and May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Manteo Airport (USW00013766), 5.1 mi WSW of the city center, 13 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Cape Hatteras Airport (USW00093729), 50 mi S of the city center, 11 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Billy Mitchell Airport (723139-93729), 50 mi S of the city center, 12 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).