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 commencement of September introduces an average high-temperature of a moderately hot 85.5°F (29.7°C), closely mirroring the preceding month. During September, Halls Mill experiences a consistent low-temperature average of 68.4°F (20.2°C).Heat index
During September, the heat index is computed to be a sweltering 96.8°F (36°C). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
The months with the highest humidity in Halls Mill are August, September and December, with an average relative humidity of 76%.Rainfall
In Halls Mill, South Carolina, during September, the rain falls for 11.6 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Halls Mill, South Carolina, during the entire year, the rain falls for 138.1 days and collects up to 18.98" (482mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
In Halls Mill, the average length of the day in September is 12h and 22min.On the first day of September in Halls Mill, sunrise is at 6:59 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:10 pm EDT.
Sunshine
In September, the average sunshine in Halls Mill is 8.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 6 in September suggests the following recommendations:
Deflect overexposure. Sun protection is a necessity. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
How hot is it in Halls Mill in September?
What is the most humid month in Halls Mill?
What is the average humidity in September in Halls Mill?
How much does it rain in Halls Mill in September?
When it does not snow in Halls Mill?
What is the average length of the day in September in Halls Mill?
What time are sunrise and sunset in September in Halls Mill?
How many hours of sunshine does Halls Mill have in September?
What is the UV index intensity in September in Halls Mill?
Average temperature in September
Halls Mill, SC
- Average high temperature in September: 85.5°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in September: 68.4°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in September
Halls Mill, SC
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Halls Mill, SC
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Halls Mill, SC
- Average humidity in September: 76%
The months with the highest relative humidity are August, September and December (76%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in September
Halls Mill, SC
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in September
Halls Mill, SC
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is November (6.4 days).
Average snowfall in September
Halls Mill, SC
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Halls Mill, SC
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Halls Mill, SC
- Average daylight in September: 12h and 2min
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 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
Halls Mill, SC
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Halls Mill, 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
Halls Mill, SC
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are July and October (Cloud cover 30).
Average visibility in September
Halls Mill, 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).
Halls Mill, South Carolina, USA
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