September weather forecastBelle Terre Acres, SC
September
Weather in September
September, the first month of the autumn in Belle Terre Acres, is still a warm month, with an average temperature fluctuating between 63.3°F (17.4°C) and 83.1°F (28.4°C).Temperature
Belle Terre Acres marks the start of September with an average high-temperature of a moderately hot 83.1°F (28.4°C), hinting at a slight fluctuation from August's 88.3°F (31.3°C). During September, an average low-temperature of 63.3°F (17.4°C) is observed.Heat index
For most parts of September, the heat index is appraised at a tropical 89.6°F (32°C). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.Heat index determinations are made taking into account the shade and light air movements. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
In September, the average relative humidity in Belle Terre Acres is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.65" (42mm) of precipitation.Snowfall
April through October are months without snowfall in Belle Terre Acres.Daylight
In Belle Terre Acres, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 7:03 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:14 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 suggests this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Belle Terre Acres, SC
- Average high temperature in September: 83.1°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in September: 63.3°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).
Average pressure in September
Belle Terre Acres, 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
Belle Terre Acres, SC
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Belle Terre Acres, 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 (69%).
Average rainfall in September
Belle Terre Acres, SC
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is December (4.09").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Belle Terre Acres, SC
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is October (9.6 days).
Average snowfall in September
Belle Terre Acres, SC
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Belle Terre Acres, SC
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.4 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
Belle Terre Acres, 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 42min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Belle Terre Acres, SC
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in September
Belle Terre Acres, SC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Belle Terre Acres, SC
- Average cloud cover in September: 30
The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Belle Terre Acres, 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).
