September weather forecast
Atlantic Beach, NC

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Rows upon rows of tranquil homes and docked boats and yachts all around the scenic shores of the iconic Atlantic Beach, North Carolina
Rows upon rows of tranquil homes and docked boats and yachts all around the scenic shores of the iconic Atlantic Beach, North Carolina

Weather in September

September brings a noteworthy shift in temperatures, dropping to a high of 80.4°F (26.9°C) and a low of 73°F (22.8°C). The changing wind patterns and shorter daylight hours mark the advent of autumn. Daylight reduces to 12.4 hours, and rainfall drops to 3.19" (81mm), indicating an ease from the height of the summer monsoon. Despite these changes, the beach life continues to flourish as weather conditions remain pleasant, with plenty of sunshine hours.

Temperature

Atlantic Beach's September average high-temperature settles at a still moderately hot 80.4°F (26.9°C), showing a near match with the preceding month. A modest nighttime temperature average of 73°F (22.8°C) characterizes September in Atlantic Beach.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Atlantic Beach, in September, during 16.1 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. In Atlantic Beach, during the entire year, the rain falls for 169.1 days and collects up to 24.25" (616mm) of precipitation.

Snowfall

In Atlantic Beach, snow does not fall in March through December.

Daylight

In Atlantic Beach, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:40 am and sunset at 7:33 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:52 pm EDT.

Sunshine

The average sunshine in September is 9.7h.

UV index

In Atlantic Beach, North Carolina, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In September, the UV index of 6 transforms into the following advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The high-temperature during September is 80.4°F (26.9°C) and the low-temperature is 73°F (22.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 93.2°F (34°C).

What is the average humidity in September?

The average relative humidity in September is 77%.

How many days does it rain in September in Atlantic Beach?

In Atlantic Beach, in September, it is raining for 16.1 days, with typically 3.19" (81mm) of accumulated precipitation.

When it does not snow?

In Atlantic Beach, snow does not fall in March through December.

How many hours of daylight does Atlantic Beach have in September?

The average day length in September is 12h and 23min.

What time are sunrise and sunset in September in Atlantic Beach?

On the first day of September, sunrise is at 6:40 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:52 pm EDT.

How long on average sun shines in September in Atlantic Beach?

The average sunshine duration in September is 9.7h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe 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
Atlantic Beach, NC

Average temperature in September - Atlantic Beach, NC
  • Average high temperature in September: 80.4°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (53.1°F).

  • Average low temperature in September: 73°F

The month with the highest average low temperature is July (77°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

Average pressure in September
Atlantic Beach, NC

Average pressure in September - Atlantic Beach, NC
  • Average pressure in September: 30.01"Hg

The months with the highest atmospheric pressure are January, November and December (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in September
Atlantic Beach, NC

Average wind speed in September - Atlantic Beach, NC
  • Average wind speed in September: 10.3mph

The windiest months (with the highest average wind speed) are February and March (12.2mph).
The calmest month (with the lowest average wind speed) is August (9.2mph).

Average humidity in September
Atlantic Beach, NC

Average humidity in September - Atlantic Beach, NC
  • Average humidity in September: 77%

The months with the highest relative humidity are July and August (78%).
The months with the lowest relative humidity are March and April (74%).

Average rainfall in September
Atlantic Beach, NC

Average rainfall in September - Atlantic Beach, NC
  • Average rainfall in September: 3.19"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in September
Atlantic Beach, NC

Average rainfall days in September - Atlantic Beach, NC
  • Average rainfall days in September: 16.1 days

The month with the highest number of rainy days is August (21.3 days).
The month with the least rainy days is February (10 days).

Average snowfall in September
Atlantic Beach, NC

Average snowfall in September - Atlantic Beach, NC
  • Average snowfall in September: 0"

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

Average snowfall days in September
Atlantic Beach, NC

Average snowfall days in September - Atlantic Beach, NC
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Atlantic Beach, NC

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

Average sunshine days in September
Atlantic Beach, NC

Average sunshine days in September - Atlantic Beach, NC
  • Average sunshine days in September: 10.7 days

The month with the most sunshine days is January (18 days).
The month with the least sunshine days is August (6.9 days).

Average UV index in September
Atlantic Beach, NC

Average UV index in September - Atlantic Beach, NC
  • Average UV index in September: 6

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

Average cloud cover in September
Atlantic Beach, NC

Average cloud cover in September - Atlantic Beach, NC
  • Average cloud cover in September: 31

The months with the most cloud cover are March and December (Cloud cover 40).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in September
Atlantic Beach, NC

Average visibility in September - Atlantic Beach, 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).

Atlantic Beach, North Carolina, USA

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