September weather forecastStonewall, NC
September
Weather in September
September, the first month of the autumn in Stonewall, is also a moderately hot month, with an average temperature fluctuating between 67.1°F (19.5°C) and 82.9°F (28.3°C).Temperature
September's onset sees an average high-temperature of a moderately hot 82.9°F (28.3°C), exhibiting a slight fluctuation from the previous month. The average low-temperature, in September, in Stonewall, is a comfortable 67.1°F (19.5°C).Heat index
The heat index for September is appraised at a tropical 91.4°F (33°C). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Observations indicate that the heat index values are for shady locations with light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
The average relative humidity in September in Stonewall is 78%.Rainfall
In Stonewall, North Carolina, during September, the rain falls for 12.7 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Stonewall, during the entire year, the rain falls for 151.4 days and collects up to 23.23" (590mm) of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:33 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:51 pm EDT.
Sunshine
The average sunshine in September in Stonewall, North Carolina, is 9h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stonewall, NC
- Average high temperature in September: 82.9°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in September: 67.1°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in September
Stonewall, NC
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Stonewall, NC
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Stonewall, NC
- Average humidity in September: 78%
The months with the highest relative humidity are August and December (79%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Stonewall, NC
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
Stonewall, NC
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (8.2 days).
Average snowfall in September
Stonewall, NC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in September
Stonewall, NC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.1 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
Stonewall, NC
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 9h and 0min
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
Stonewall, NC
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in September
Stonewall, NC
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Stonewall, NC
- Average cloud cover in September: 37
The months with the most cloud cover are February, March and December (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in September
Stonewall, NC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





