September weather forecastLowndesville, SC
September
Weather in September
September, the first month of the autumn in Lowndesville, is still a warm month, with an average temperature fluctuating between 84.9°F (29.4°C) and 64.9°F (18.3°C).Temperature
Lowndesville marks the arrival of September with an average high-temperature of a moderately hot 84.9°F (29.4°C), hardly different from August's 90.1°F (32.3°C). Throughout September, the nighttime temperature averages to a refreshing 64.9°F (18.3°C).Heat index
The heat index value during September is estimated at a tropical 93.2°F (34°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
In Lowndesville, the average relative humidity in September is 71%.Rainfall
The month with the least rainfall in Lowndesville, South Carolina, is September, when the rain falls for 10.2 days and typically collects 0.83" (21mm) of precipitation.Snowfall
April through December are months without snowfall.Daylight
In Lowndesville, the average length of the day in September is 12h and 23min.On the first day of September in Lowndesville, South Carolina, sunrise is at 7:04 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:15 pm EDT.
Sunshine
The average sunshine in September in Lowndesville is 8.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lowndesville, SC
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (52°F).
- Average low temperature in September: 64.9°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in September
Lowndesville, 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
Lowndesville, SC
- Average wind speed in September: 5.1mph
The windiest months (with the highest average wind speed) are January and February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Lowndesville, SC
- Average humidity in September: 71%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in September
Lowndesville, SC
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is September (0.83").
Average rainfall days in September
Lowndesville, SC
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in September
Lowndesville, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Lowndesville, SC
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (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
Lowndesville, 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 36min
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 18min).
Average sunshine days in September
Lowndesville, SC
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is October (22.2 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in September
Lowndesville, SC
- Average UV index in September: 5
The months with the highest UV index are June and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Lowndesville, SC
- Average cloud cover in September: 31
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June, July and October (Cloud cover 29).
Average visibility in September
Lowndesville, 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).
