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
September indicates a minor shift in the average high-temperature, from August's hot 89.4°F (31.9°C) to a moderately hot 83.8°F (28.8°C). September's nights observe an average temperature of 63.5°F (17.5°C).Heat index
In September, the average heat index is evaluated at a hot 89.6°F (32°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In September, the average relative humidity is 71%.Rainfall
The month with the least rainfall in Valley Falls is September, when the rain falls for 11.6 days and typically collects 1.54" (39mm) of precipitation.Snowfall
April through November are months without snowfall in Valley Falls, South Carolina.Daylight
In Valley Falls, South Carolina, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:12 pm EDT.
Sunshine
In Valley Falls, the average sunshine in September is 8.4h.UV index
In Valley Falls, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 in September translates into these instructions:
Take necessary precautions - Defending against sun damage is advocated. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Valley Falls in September?
What is the average humidity in September in Valley Falls?
What is the driest month in Valley Falls?
How many days does it rain in September in Valley Falls?
When it does not snow in Valley Falls?
How many hours of daylight does Valley Falls have in September?
When are sunrise and sunset in September in Valley Falls?
How long on average sun shines in September in Valley Falls?
What is the UV index reading in September in Valley Falls?
Average temperature in September
Valley Falls, SC
- Average high temperature in September: 83.8°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in September
Valley Falls, SC
- Average pressure in September: 30.04"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
Valley Falls, 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 (4.4mph).
Average humidity in September
Valley Falls, SC
- Average humidity in September: 71%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (68%).
Average rainfall in September
Valley Falls, SC
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
Valley Falls, SC
- Average rainfall days in September: 11.6 days
The months with the highest number of rainy days are July and August (15.8 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in September
Valley Falls, SC
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Valley Falls, SC
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Valley Falls, SC
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Valley Falls, SC
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in September
Valley Falls, SC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Valley Falls, SC
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in September
Valley Falls, 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).
Valley Falls, South Carolina, USA
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