September weather forecastSpringfield, SC
September
Weather in September
September, the first month of the autumn in Springfield, is still a warm month, with an average temperature varying between 84.2°F (29°C) and 67.6°F (19.8°C).Temperature
Springfield marks the onset of September with an average high-temperature of a moderately hot 84.2°F (29°C), subtly divergent from August's 88.9°F (31.6°C). During the month of September, an average temperature of 67.6°F (19.8°C) is noted during the nights in Springfield, South Carolina.Heat index
In September, the average heat index is appraised at a tropical 93.2°F (34°C). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.When assessing, remember that heat index measurements are for light winds and shaded spots. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance 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 Springfield, the average relative humidity in September is 75%.Rainfall
In Springfield, in September, it is raining for 12.4 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 153.7 rainfall days, and 28.82" (732mm) of precipitation is accumulated.Snowfall
In Springfield, snow does not fall in March through November.Daylight
In Springfield, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:50 pm. On the last day of September, in Springfield, South Carolina, sunrise is at 7:19 am and sunset at 7:10 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In Springfield, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 during September translates into the following guidance:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Springfield, SC
- Average high temperature in September: 84.2°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 (54.1°F).
- Average low temperature in September: 67.6°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure in September
Springfield, SC
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Springfield, SC
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Springfield, SC
- Average humidity in September: 75%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is January (70%).
Average rainfall in September
Springfield, SC
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in September
Springfield, SC
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in September
Springfield, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Springfield, SC
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.4 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
Springfield, SC
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in September
Springfield, SC
- Average sunshine days in September: 16 days
The month with the most sunshine days is October (20.5 days).
The months with the least sunshine days are July and August (10 days).
Average UV index in September
Springfield, SC
- 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 and December (UV index 3).
Average cloud cover in September
Springfield, SC
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in September
Springfield, 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).





