September weather forecastGray Court, SC
September
Weather in September
The first month of the autumn, September, is still a warm month in Gray Court, South Carolina, with an average temperature ranging between max 84°F (28.9°C) and min 63.5°F (17.5°C).Temperature
With the onset of September, Gray Court experiences a modest temperature adjustment, with the average high-temperature gently receding from a tropical 89.8°F (32.1°C) in August to a moderately hot 84°F (28.9°C). In September, the nighttime temperature lowers to an average of 63.5°F (17.5°C).Heat index
During September, the heat index is calculated to be a hot 91.4°F (33°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
In September, the average relative humidity is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 1.65" (42mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Gray Court, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:13 pm EDT.
Sunshine
In Gray Court, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 5 in September translates into this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gray Court, SC
- Average high temperature in September: 84°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 (50.5°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in September
Gray Court, SC
- Average pressure in September: 30.03"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
Gray Court, SC
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Gray Court, 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
Gray Court, SC
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Gray Court, SC
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in September
Gray Court, SC
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.3").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Gray Court, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Gray Court, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Gray Court, SC
- Average sunshine days in September: 17 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in September
Gray Court, SC
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Gray Court, SC
- Average cloud cover in September: 35
The months with the most cloud cover are February and December (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Gray Court, SC
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
