September weather forecast
Southern Shores, NC

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Weather in September

September, the first month of the autumn in Southern Shores, is also a moderately hot month, with an average temperature fluctuating between 72.5°F (22.5°C) and 77.5°F (25.3°C).

Temperature

Southern Shores signifies an average high-temperature of a still warm 77.5°F (25.3°C) in September, closely mirroring the 81.5°F (27.5°C) of August. The temperature in Southern Shores during September sees a subtle transition from day to night, averaging a low of 72.5°F (22.5°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Southern Shores, in September, it is raining for 14.5 days, with typically 3.82" (97mm) of accumulated precipitation. In Southern Shores, during the entire year, the rain falls for 173.9 days and collects up to 37.24" (946mm) of precipitation.

Snowfall

In Southern Shores, snow does not fall in April through November.

Ocean temperature

In September, the average ocean temperature is 75.7°F (24.3°C).
Note: Given an individual's cold sensitivity, considering factors like sunshine, wind, and air temperature, a brief swim in 75.7°F (24.3°C) water might be pleasurable. (FYI: The standard water temperature for Olympic swimming contests is 77°F (25°C) to 82.4°F (28°C).)

Daylight

In Southern Shores, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:35 am and sunset at 7:30 pm. On the last day of September, in Southern Shores, North Carolina, sunrise is at 6:57 am and sunset at 6:47 pm EDT.

Sunshine

In Southern Shores, the average sunshine in September is 9.5h.

UV index

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 6 transforms into these recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

In September, in Southern Shores, the average high-temperature is 77.5°F (25.3°C), and the average low-temperature is 72.5°F (22.5°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 87.8°F (31°C).

What is the average humidity in September in Southern Shores?

In September, the average relative humidity in Southern Shores is 77%.

How much does it rain in September?

In Southern Shores, during September, the rain falls for 14.5 days and regularly aggregates up to 3.82" (97mm) of precipitation.

When it does not snow?

In Southern Shores, North Carolina, snow does not fall in April through November.

How warm is the water in September?

In September, the average ocean temperature is 75.7°F (24.3°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 75.7°F (24.3°C) water may be enjoyable.

What is the average length of the day in September in Southern Shores?

In September, the average day length is 12h and 24min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:35 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:47 pm EDT.

How long on average sun shines in September?

In Southern Shores, the average sunshine duration in September is 9.5h.

How high is the UV index in September?

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Southern Shores, NC

Average temperature in September - Southern Shores, NC
  • Average high temperature in September: 77.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in September: 72.5°F

The month with the highest average low temperature is July (76.6°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

Average pressure in September
Southern Shores, NC

Average pressure in September - Southern Shores, NC
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Southern Shores, NC

Average wind speed in September - Southern Shores, NC
  • Average wind speed in September: 11.7mph

The windiest month (with the highest average wind speed) is March (14mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).

Average humidity in September
Southern Shores, NC

Average humidity in September - Southern Shores, NC
  • Average humidity in September: 77%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are October and November (74%).

Average rainfall in September
Southern Shores, NC

Average rainfall in September - Southern Shores, NC
  • Average rainfall in September: 3.82"

The wettest month (with the highest rainfall) is August (4.02").
The driest month (with the least rainfall) is January (2.24").

Average rainfall days in September
Southern Shores, NC

Average rainfall days in September - Southern Shores, NC
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (11.6 days).

Average snowfall in September
Southern Shores, NC

Average snowfall in September - Southern Shores, NC
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Southern Shores, NC

Average snowfall days in September - Southern Shores, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in September
Southern Shores, NC

Average sea temperature in September - Southern Shores, NC
  • Average sea temperature in September: 75.6°F

The best month for swimming (with the highest average sea temperature) is August (80.2°F).
The coldest month (with the lowest average sea temperature) is February (45.2°F).

Average daylight in September /
Average sunshine in September
Southern Shores, NC

Average daylight in September / Average sunshine in September - Southern Shores, NC
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 24min).

Average sunshine days in September
Southern Shores, NC

Average sunshine days in September - Southern Shores, NC
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is December (17.4 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in September
Southern Shores, NC

Average UV index in September - Southern Shores, NC
  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in September
Southern Shores, NC

Average cloud cover in September - Southern Shores, NC
  • Average cloud cover in September: 32

The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 25).

Average visibility in September
Southern Shores, NC

Average visibility in September - Southern Shores, NC
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Southern Shores, North Carolina, USA

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