September weather forecastBelvedere, SC
September
Weather in September
September, the first month of the autumn in Belvedere, is also a moderately hot month, with an average temperature fluctuating between 67.6°F (19.8°C) and 85.3°F (29.6°C).Temperature
September indicates a minor shift in the average high-temperature, from August's hot 90.9°F (32.7°C) to a warm 85.3°F (29.6°C). The nighttime temperature in Belvedere, South Carolina, dips to a refreshing 67.6°F (19.8°C) on average during September.Heat index
In September, the heat index is appraised at a tropical 93.2°F (34°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. 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 significance for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
In Belvedere, the average relative humidity in September is 70%.Rainfall
September is the month with the least rainfall. Rain falls for 11 days and accumulates 1.42" (36mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day in Belvedere is 12h and 22min.On the first day of September, sunrise is at 7:02 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:13 pm EDT.
Sunshine
In September, the average sunshine in Belvedere is 8.5h.UV index
In Belvedere, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 6 in September transforms into the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Belvedere, SC
- Average high temperature in September: 85.3°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (53.4°F).
- Average low temperature in September: 67.6°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in September
Belvedere, SC
- Average pressure in September: 30.01"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
Belvedere, SC
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Belvedere, SC
- Average humidity in September: 70%
The month with the highest relative humidity is December (74%).
The month with the lowest relative humidity is July (68%).
Average rainfall in September
Belvedere, SC
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in September
Belvedere, SC
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (7.2 days).
Average snowfall in September
Belvedere, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Belvedere, SC
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January, February and March (0.3 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
Belvedere, SC
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- 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
Belvedere, SC
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in September
Belvedere, SC
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Belvedere, SC
- Average cloud cover in September: 30
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in September
Belvedere, 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).
