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 moderately hot 84.9°F (29.4°C), indicating a minimal shift from August's 90.1°F (32.3°C). Throughout September, Little Mountain witnesses a consistent average low-temperature of 65.3°F (18.5°C).Heat index
During September, the heat index is appraised at a hot 93.2°F (34°C). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Be aware that heat index ratings are designed for shaded locations and minor breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', blends air temperature and moisture content to represent the felt temperature to humans. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In Little Mountain, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall in Little Mountain, South Carolina. Rain falls for 11.9 days and accumulates 1.54" (39mm) of precipitation.Snowfall
In Little Mountain, snow does not fall in April through December.Daylight
In September, the average length of the day in Little Mountain is 12h and 23min.On the first day of September, sunrise is at 6:59 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:10 pm EDT.
Sunshine
The average sunshine in September in Little Mountain is 8.5h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 5 during September leads to these instructions:
Exercise prevention - Precautions against solar damage are endorsed. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Little Mountain in September?
What is the average humidity in September in Little Mountain?
What is the driest month in Little Mountain?
How much does it rain in Little Mountain in September?
When it does not snow in Little Mountain?
What is the average length of the day in September in Little Mountain?
When is the sunrise / sunset in September in Little Mountain?
How many hours of sunshine does Little Mountain have in September?
What is the UV index reading in September in Little Mountain?
Average temperature in September
Little Mountain, SC
- Average high temperature in September: 84.9°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 (51.8°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in September
Little Mountain, SC
- Average pressure in September: 30.02"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
Little Mountain, SC
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Little Mountain, 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
Little Mountain, SC
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
Little Mountain, SC
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (17.8 days).
The months with the least rainy days are October and November (8.3 days).
Average snowfall in September
Little Mountain, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Little Mountain, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.6 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
Little Mountain, 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 3min
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
Little Mountain, SC
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (11 days).
Average UV index in September
Little Mountain, SC
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Little Mountain, SC
- Average cloud cover in September: 31
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility in September
Little Mountain, 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).
Little Mountain, South Carolina, USA
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