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 onset of September brings with it an average high-temperature of a moderately hot 81.7°F (27.6°C), showing a negligible variation from the month before. Viola experiences a nighttime temperature average of 62.4°F (16.9°C) during September.Heat index
The heat index value for September is evaluated at a tropical 86°F (30°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
In Viola, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall in Viola. Rain falls for 13.6 days and accumulates 1.97" (50mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Viola, Kentucky, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:22 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:38 pm CDT.
Sunshine
The average sunshine in September in Viola is 9.5h.UV index
The average daily maximum UV index in September in Viola, Kentucky, is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the average September temperature in Viola?
What is the average humidity in September in Viola?
What is the driest month in Viola?
How many days does it rain in September in Viola?
When it does not snow in Viola?
How many hours of daylight does Viola have in September?
When are sunrise and sunset in September in Viola?
How long on average sun shines in September in Viola?
What is the UV index reading in September in Viola?
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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