September weather forecastTillman, SC
September
Weather in September
September, the first month of the autumn in Tillman, is still a warm month, with an average temperature fluctuating between 85.3°F (29.6°C) and 70.7°F (21.5°C).Temperature
The beginning of September records an average high-temperature of a moderately hot 85.3°F (29.6°C), almost echoing the conditions of the previous month. During September, the temperature tends to dip to an average of 70.7°F (21.5°C) at night.Heat index
September's heat index is evaluated at a fiery hot 95°F (35°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.Understand that the heat index values take into account shaded locations and mild winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
In Tillman, the average relative humidity in September is 76%.Rainfall
In Tillman, in September, it is raining for 10.9 days, with typically 0.71" (18mm) of accumulated precipitation. In Tillman, during the entire year, the rain falls for 117.5 days and collects up to 10.79" (274mm) of precipitation.Snowfall
January through November are months without snowfall.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:59 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:10 pm EDT.
Sunshine
In Tillman, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 6 suggests these recommendations:
Shun overexposure. Protection from sun ravages is indispensable. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tillman, SC
- Average high temperature in September: 85.3°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (57.7°F).
- Average low temperature in September: 70.7°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in September
Tillman, SC
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in September
Tillman, SC
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Tillman, SC
- Average humidity in September: 76%
The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January and March (72%).
Average rainfall in September
Tillman, SC
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in September
Tillman, SC
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is November (4.8 days).
Average snowfall days in September
Tillman, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Tillman, SC
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- 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
Tillman, SC
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (23.8 days).
The month with the least sunshine days is August (9.5 days).
Average UV index in September
Tillman, SC
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Tillman, SC
- Average cloud cover in September: 29
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Tillman, 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).





