September weather forecastChapmans Crossroads, SC
September
Weather in September
September, the first month of the autumn in Chapmans Crossroads, is still a warm month, with an average temperature varying between 65.3°F (18.5°C) and 84.9°F (29.4°C).Temperature
The arrival of September brings an average high-temperature of a moderately hot 84.9°F (29.4°C), subtly diverging from August's 90.1°F (32.3°C). The average low-temperature, in September, in Chapmans Crossroads, is a refreshing 65.3°F (18.5°C).Heat index
September's mean heat index is computed to be a tropical 93.2°F (34°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'real feel', comes about by integrating the temperature readings with the humidity levels. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
In September, the average relative humidity in Chapmans Crossroads is 72%.Rainfall
September is the month with the least rainfall in Chapmans Crossroads. Rain falls for 11.7 days and accumulates 1.5" (38mm) of precipitation.Snowfall
In Chapmans Crossroads, South Carolina, snow does not fall in April through December.Daylight
In September, the average length of the day in Chapmans Crossroads is 12h and 22min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:12 pm EDT.
Sunshine
In Chapmans Crossroads, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chapmans Crossroads, SC
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).
Average pressure in September
Chapmans Crossroads, SC
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Chapmans Crossroads, SC
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are February and April (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Chapmans Crossroads, 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
Chapmans Crossroads, SC
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Chapmans Crossroads, SC
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in September
Chapmans Crossroads, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Chapmans Crossroads, 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 and October (0 days).
Average daylight in September /
Average sunshine in September
Chapmans Crossroads, 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 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Chapmans Crossroads, SC
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Chapmans Crossroads, 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
Chapmans Crossroads, SC
- Average cloud cover in September: 32
The months with the most cloud cover are February and December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Chapmans Crossroads, 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).
