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
Upon the onset of September, Viola witnesses an average high-temperature of a moderately hot 81.7°F (27.6°C), showing a close resemblance to the prior month. Throughout September, Viola witnesses a nighttime temperature average of 62.4°F (16.9°C).Heat index
September's average heat index is evaluated at a tropical 86°F (30°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. 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 'real feel' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In Viola, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 1.97" (50mm) of precipitation.Snowfall
In Viola, snow does not fall in May through October.Daylight
In Viola, the average length of the day in September is 12h and 24min.On the first day of September in Viola, sunrise is at 6:26 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:38 pm CDT.
Sunshine
In Viola, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How much does it rain in Viola in September?
When it does not snow?
What is the average length of the day in September in Viola?
When is the sunrise / sunset in September?
How many hours of sunshine does Viola have in September?
What is the UV index reading in September?
Average temperature in September
Viola, KY
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in September
Viola, KY
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Viola, KY
- Average wind speed in September: 6.3mph
The windiest months (with the highest average wind speed) are February and April (9mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in September
Viola, KY
- Average humidity in September: 72%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Viola, KY
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is April (4.69").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Viola, KY
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in September
Viola, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Viola, KY
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Viola, KY
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Viola, KY
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in September
Viola, KY
- 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, February and December (UV index 2).
Average cloud cover in September
Viola, KY
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and September (Cloud cover 27).
Average visibility in September
Viola, KY
- 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).
Viola, Kentucky, USA
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