September weather forecastOcean Isle Beach, NC
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Ocean Isle Beach, North Carolina, with an average temperature fluctuating between 70.3°F (21.3°C) and 82.4°F (28°C).Temperature
The transition into September is marked with an average high-temperature of a warm 82.4°F (28°C), showing an insignificant shift from August's 86.4°F (30.2°C). An average low-temperature of 70.3°F (21.3°C) marks the nights in Ocean Isle Beach, North Carolina throughout September.Heat index
During September, the heat index is computed to be a tropical 89.6°F (32°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.Consider that heat index readings are for situations in the shade and light wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In Ocean Isle Beach, the average relative humidity in September is 77%.Rainfall
In Ocean Isle Beach, in September, during 17.3 rainfall days, 5.08" (129mm) of precipitation is typically accumulated. In Ocean Isle Beach, North Carolina, during the entire year, the rain falls for 179.1 days and collects up to 41.22" (1047mm) of precipitation.Snowfall
In Ocean Isle Beach, snow does not fall in March through December.Daylight
In September, the average length of the day in Ocean Isle Beach, North Carolina, is 12h and 22min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:39 pm. On the last day of September, in Ocean Isle Beach, sunrise is at 7:07 am and sunset at 6:58 pm EDT.
Sunshine
In Ocean Isle Beach, North Carolina, the average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Resist extreme sun exposure. Guarding against solar damage is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ocean Isle Beach, NC
- Average high temperature in September: 82.4°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in September: 70.3°F
The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (41°F).
Average pressure in September
Ocean Isle Beach, NC
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Ocean Isle Beach, NC
- Average wind speed in September: 8.4mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).
Average humidity in September
Ocean Isle Beach, NC
- Average humidity in September: 77%
The months with the highest relative humidity are May, June, August and December (78%).
The month with the lowest relative humidity is January (74%).
Average rainfall in September
Ocean Isle Beach, NC
- Average rainfall in September: 5.08"
The wettest month (with the highest rainfall) is August (5.91").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in September
Ocean Isle Beach, NC
- Average rainfall days in September: 17.3 days
The months with the highest number of rainy days are July and August (21.1 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in September
Ocean Isle Beach, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (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
Ocean Isle 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 April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Ocean Isle Beach, NC
- Average daylight in September: 12h and 24min
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 24min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Ocean Isle Beach, NC
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is August (6.6 days).
Average UV index in September
Ocean Isle Beach, NC
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Ocean Isle Beach, NC
- Average cloud cover in September: 32
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 28).
Average visibility in September
Ocean Isle 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).
