September weather forecastHolden Beach, NC
September
Weather in September
The first month of the autumn, September, is still a warm month in Holden Beach, North Carolina, with an average temperature varying between 82.4°F (28°C) and 70.3°F (21.3°C).Temperature
Holden Beach starts September with an average high-temperature of a warm 82.4°F (28°C), hinting at a minimal fluctuation from August. September brings with it a nighttime average temperature of 70.3°F (21.3°C).Heat index
The heat index in September is evaluated at a tropical 89.6°F (32°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'felt air temperature', gauges the sensation of temperature factoring in the air's moisture content. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
In Holden Beach, the average relative humidity in September is 77%.Rainfall
In Holden Beach, during September, the rain falls for 17.3 days and regularly aggregates up to 5.08" (129mm) of precipitation. Throughout the year, there are 179.1 rainfall days, and 41.22" (1047mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
The average length of the day in September is 12h and 22min.On the first day of September in Holden Beach, sunrise is at 6:47 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:58 pm EDT.
Sunshine
In Holden Beach, North Carolina, the average sunshine in September is 9.4h.UV index
In Holden 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 rays for average individuals.Note: A maximum UV index of 6 in September translates into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Holden 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
Holden 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
Holden 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
Holden 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
Holden 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
Holden 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
Holden 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
Holden 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
Holden 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
Holden 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
Holden 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
Holden 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
Holden 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).
