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
During September, the average high-temperature is a moderately hot 81.3°F (27.4°C), maintaining a close resemblance to that of the preceding month. September is noted for a mean low-temperature of 64°F (17.8°C).Heat index
September's heat index is appraised at a tropical 86°F (30°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. 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
With an average relative humidity of 78%, September is the most humid month.Rainfall
In Red Oak, in September, during 13.8 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Red Oak, during the entire year, the rain falls for 160.1 days and collects up to 33.11" (841mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 24min.On the first day of September in Red Oak, sunrise is at 6:43 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:56 pm EDT.
Sunshine
The average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Undertake precautions - Guarding against sun damage is counselled. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the most humid month?
What is the average humidity in September in Red Oak?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September in Red Oak?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Red Oak, NC
- Average high temperature in September: 81.3°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in September
Red Oak, NC
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Red Oak, NC
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Red Oak, NC
- Average humidity in September: 78%
The month with the highest relative humidity is September (78%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in September
Red Oak, NC
- Average rainfall in September: 2.95"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is October (2.13").
Average rainfall days in September
Red Oak, NC
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in September
Red Oak, NC
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.54").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Red Oak, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Red Oak, 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: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Red Oak, NC
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Red Oak, NC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Red Oak, NC
- Average cloud cover in September: 38
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in September
Red Oak, 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).
Red Oak, North Carolina, USA
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