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
Fountain Inn's entry into September measures an average high-temperature of a warm 83.1°F (28.4°C), closely parallel to the preceding month. The low-temperature average for Fountain Inn during September stands at a refreshing 63.3°F (17.4°C).Heat index
September's average heat index is evaluated at a tropical 89.6°F (32°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Heat index determinations are made taking into account the shade and light air movements. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
Humidity
In September, the average relative humidity is 72%.Rainfall
The month with the least rainfall in Fountain Inn is September, when the rain falls for 12 days and typically collects 1.65" (42mm) of precipitation.Snowfall
In Fountain Inn, snow does not fall in April through October.Daylight
In Fountain Inn, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:54 pm. On the last day of September, in Fountain Inn, sunrise is at 7:23 am and sunset at 7:13 pm EDT.
Sunshine
In September, the average sunshine in Fountain Inn is 8.7h.UV index
In Fountain Inn, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, an average UV index of 5 transforms into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
How hot is September in Fountain Inn?
What is the average humidity in September in Fountain Inn?
What is the driest month in Fountain Inn?
How much does it rain in Fountain Inn in September?
When it does not snow in Fountain Inn?
How many hours of daylight does Fountain Inn have in September?
What time are sunrise and sunset in September in Fountain Inn?
How many hours of sunshine does Fountain Inn have in September?
How high is the UV index in September in Fountain Inn?
Average temperature in September
Fountain Inn, SC
- Average high temperature in September: 83.1°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in September: 63.3°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).
Average pressure in September
Fountain Inn, 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
Fountain Inn, 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 (4.5mph).
Average humidity in September
Fountain Inn, 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 (69%).
Average rainfall in September
Fountain Inn, SC
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is December (4.09").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Fountain Inn, SC
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is October (9.6 days).
Average snowfall in September
Fountain Inn, SC
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Fountain Inn, SC
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Fountain Inn, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Fountain Inn, SC
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in September
Fountain Inn, SC
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Fountain Inn, SC
- Average cloud cover in September: 30
The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Fountain Inn, 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).
Fountain Inn, South Carolina, USA
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