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 arrival brings an average high-temperature of a warm 28.2°C (82.8°F), slightly deviating from August's 30.9°C (87.6°F). Riegelwood sees an average low-temperature of 20.7°C (69.3°F) during September.Heat index
The average heat index in September is calculated to be a hot 32°C (89.6°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.The heat index's values are generally associated with conditions in shade and light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of 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 highly important 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 September, the average relative humidity is 77%.Rainfall
In September, the rain falls for 13.4 days. Throughout September, 53mm (2.09") of precipitation is accumulated. In Riegelwood, during the entire year, the rain falls for 141.7 days and collects up to 423mm (16.65") of precipitation.Snowfall
In Riegelwood, snow does not fall in January, March through December.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:38 pm. On the last day of September, in Riegelwood, sunrise is at 7:07 am and sunset at 6:58 pm EDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 6 during September translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Riegelwood?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Riegelwood have in September?
When 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
Riegelwood, NC
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is July (31.6°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in September: 20.7°C
The month with the highest average low temperature is July (23.6°C).
The coldest month (with the lowest average low temperature) is January (4.1°C).
Average pressure in September
Riegelwood, NC
- Average pressure in September: 1016.1mbar
The months with the highest atmospheric pressure are January and December (1020.2mbar).
The month with the lowest atmospheric pressure is June (1014.9mbar).
Average wind speed in September
Riegelwood, NC
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is April (14km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Riegelwood, NC
- Average humidity in September: 77%
The month with the highest relative humidity is August (78%).
The months with the lowest relative humidity are January, February and March (74%).
Average rainfall in September
Riegelwood, NC
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is August (60mm).
The driest month (with the least rainfall) is January (13mm).
Average rainfall days in September
Riegelwood, NC
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in September
Riegelwood, NC
- Average snowfall in September: 0mm
The month with the highest snowfall is February (1mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Riegelwood, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.4 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
Riegelwood, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Riegelwood, NC
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (9.1 days).
Average UV index in September
Riegelwood, NC
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Riegelwood, NC
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Riegelwood, NC
- Average visibility in September: 10km
The months with the highest visibility are March, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, April, May, November and December (9km).
Riegelwood, North Carolina, USA
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