Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's commencement is accompanied by an average high-temperature of a still moderately hot 81.9°F (27.7°C), diverging marginally from August's 85.6°F (29.8°C). Caswell Beach in September anticipates an average nighttime temperature of 72.5°F (22.5°C).Heat index
For most parts of September, the heat index is evaluated at a hot 87.8°F (31°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
In Caswell Beach, the average relative humidity in September is 76%.Rainfall
In Caswell Beach, in September, during 15.5 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. In Caswell Beach, during the entire year, the rain falls for 157.9 days and collects up to 24.69" (627mm) of precipitation.Snowfall
In Caswell Beach, snow does not fall in February through December.Daylight
In September, the average length of the day in Caswell Beach is 12h and 22min.On the first day of September, sunrise is at 6:46 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:57 pm EDT.
Sunshine
In Caswell Beach, North Carolina, the average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 6 suggests this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Caswell Beach?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Caswell Beach have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Caswell Beach, NC
- Average high temperature in September: 81.9°F
The warmest months (with the highest average high temperature) are July and August (85.6°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in September: 72.5°F
The month with the highest average low temperature is July (77.4°F).
The coldest month (with the lowest average low temperature) is January (43.7°F).
Average pressure in September
Caswell Beach, NC
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Caswell Beach, NC
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is February (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in September
Caswell Beach, NC
- Average humidity in September: 76%
The month with the highest relative humidity is June (78%).
The months with the lowest relative humidity are January, March, October and November (74%).
Average rainfall in September
Caswell Beach, NC
- Average rainfall in September: 3.27"
The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Caswell Beach, NC
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in September
Caswell Beach, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Caswell Beach, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Caswell 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 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Caswell Beach, NC
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in September
Caswell 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
Caswell Beach, NC
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in September
Caswell 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).
Caswell Beach, North Carolina, USA
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