Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September coincides with an average high-temperature of a warm 84.7°F (29.3°C), indicating a minimal shift from August's 90°F (32.2°C). The average temperature in White Rock, South Carolina, during September nights dips to an enjoyable 66.6°F (19.2°C).Heat index
During September, the heat index is evaluated at a hot 93.2°F (34°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In White Rock, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.54" (39mm) of precipitation.Snowfall
April through November are months without snowfall in White Rock, South Carolina.Daylight
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, sunrise is at 7:19 am and sunset at 7:10 pm EDT.
Sunshine
In September, the average sunshine in White Rock, South Carolina, is 8.6h.UV index
In White Rock, South Carolina, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 6 suggests these recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
How hot does it get in White Rock in September?
What is the average humidity in September in White Rock?
What is the driest month in White Rock?
How many days does it rain in September in White Rock?
When it does not snow in White Rock?
How many hours of daylight does White Rock have in September?
When is the sunrise / sunset in September in White Rock?
How many hours of sunshine does White Rock have in September?
What is the UV index intensity in September in White Rock?
Average temperature in September
White Rock, SC
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in September: 66.6°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in September
White Rock, 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 (29.97"Hg).
Average wind speed in September
White Rock, SC
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
White Rock, SC
- Average humidity in September: 72%
The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
White Rock, SC
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
White Rock, SC
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is October (7.8 days).
Average snowfall in September
White Rock, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
White Rock, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.5 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
White Rock, SC
- Average daylight in September: 12h and 2min
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 4min
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 30min).
Average sunshine days in September
White Rock, SC
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
White Rock, SC
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
White Rock, SC
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 28).
Average visibility in September
White Rock, 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).
White Rock, South Carolina, USA
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