September weather forecastReidville, SC
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Reidville, South Carolina, with an average temperature fluctuating between 62.4°F (16.9°C) and 83.3°F (28.5°C).Temperature
The advent of September presents an average high-temperature of a moderately hot 83.3°F (28.5°C), maintaining a close correlation with the preceding month. During September, Reidville witnesses a consistent average low-temperature of 62.4°F (16.9°C).Heat index
For September, the heat index is evaluated at a tropical 89.6°F (32°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Metrics for the heat index primarily focus on shaded spots and light wind conditions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in September in Reidville is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.38" (35mm) of precipitation.Snowfall
April through October are months without snowfall in Reidville.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 7:01 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:13 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, an average UV index of 5 transforms into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Reidville, SC
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (49.5°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in September
Reidville, SC
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Reidville, SC
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Reidville, SC
- Average humidity in September: 72%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (68%).
Average rainfall in September
Reidville, SC
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in September
Reidville, SC
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in September
Reidville, SC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.8").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Reidville, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Reidville, SC
- 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 54min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Reidville, SC
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in September
Reidville, SC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Reidville, SC
- Average cloud cover in September: 31
The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Reidville, SC
- 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).
