September weather forecastPendleton, SC
September
Weather in September
September, the first month of the autumn in Pendleton, is also a moderately hot month, with an average temperature varying between 63°F (17.2°C) and 82.8°F (28.2°C).Temperature
With the arrival of September, Pendleton experiences a modest decline in average high-temperatures, transitioning from a tropical 88.3°F (31.3°C) in August to a warm 82.8°F (28.2°C). Pendleton experiences a consistent average temperature of 63°F (17.2°C) throughout the nights in September.Heat index
The heat index value for September is calculated to be a hot 87.8°F (31°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital 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
In Pendleton, the average relative humidity in September is 72%.Rainfall
The month with the least rainfall in Pendleton is September, when the rain falls for 10.3 days and typically collects 0.71" (18mm) of precipitation.Snowfall
In Pendleton, South Carolina, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 7:04 am and sunset at 7:57 pm. On the last day of September, in Pendleton, sunrise is at 7:25 am and sunset at 7:16 pm EDT.
Sunshine
In September, the average sunshine in Pendleton, South Carolina, is 8.7h.UV index
The average daily maximum UV index in September in Pendleton is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pendleton, SC
- Average high temperature in September: 82.8°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in September
Pendleton, SC
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Pendleton, SC
- Average wind speed in September: 4.8mph
The windiest months (with the highest average wind speed) are February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Pendleton, SC
- Average humidity in September: 72%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Pendleton, SC
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in September
Pendleton, SC
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is October (6.5 days).
Average snowfall in September
Pendleton, SC
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Pendleton, SC
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Pendleton, SC
- Average daylight in September: 12h and 24min
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: 8h and 42min
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 24min).
Average sunshine days in September
Pendleton, SC
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in September
Pendleton, 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
Pendleton, SC
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in September
Pendleton, 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).





