September weather forecastPomaria, SC
September
Weather in September
September, the first month of the autumn in Pomaria, is also a moderately hot month, with an average temperature varying between 84.9°F (29.4°C) and 65.3°F (18.5°C).Temperature
Pomaria, South Carolina, marks the start of September with an average high-temperature of a moderately hot 84.9°F (29.4°C), hinting at a slight fluctuation from August's 90.1°F (32.3°C). Throughout the nights in September, an average low-temperature of 65.3°F (18.5°C) is noted.Heat index
In September, the average heat index is appraised at a tropical 93.2°F (34°C). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. 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 are highly critical for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
In Pomaria, the average relative humidity in September is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.9 days and typically collects 1.54" (39mm) of precipitation.Snowfall
April through December are months without snowfall.Daylight
In September, the average length of the day in Pomaria is 12h and 23min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:51 pm. On the last day of September, in Pomaria, sunrise is at 7:20 am and sunset at 7:10 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 translates into these guidelines:
Guard yourself - Avoiding sunburn is suggested. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pomaria, SC
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (51.8°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Pomaria, SC
- Average pressure in September: 30.02"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
Pomaria, SC
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Pomaria, 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
Pomaria, SC
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
Pomaria, SC
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (17.8 days).
The months with the least rainy days are October and November (8.3 days).
Average snowfall in September
Pomaria, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Pomaria, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.6 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
Pomaria, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Pomaria, SC
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (11 days).
Average UV index in September
Pomaria, SC
- Average UV index in September: 5
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 2).
Average cloud cover in September
Pomaria, SC
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility in September
Pomaria, 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).





