September weather forecastKirbyton, KY
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Kirbyton, Kentucky, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 81.7°F (27.6°C).Temperature
September's weather records an average high-temperature of a moderately hot 81.7°F (27.6°C), showing little deviation from August. Kirbyton's nights in September cool down to an average low-temperature of 62.2°F (16.8°C).Heat index
For most parts of September, the heat index is computed to be a hot 86°F (30°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. 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 remain especially vital for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
The average relative humidity in September is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.5" (38mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Kirbyton, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:23 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:39 pm CDT.
Sunshine
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 threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 5 during September translates into the following guidance:
Be vigilant - Suggestions to stave off sun damage are provided. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kirbyton, 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 (42.6°F).
- Average low temperature in September: 62.2°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 (29.1°F).
Average pressure in September
Kirbyton, 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
Kirbyton, KY
- Average wind speed in September: 6.3mph
The windiest months (with the highest average wind speed) are January, February, March and April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Kirbyton, 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 (69%).
Average rainfall in September
Kirbyton, KY
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Kirbyton, KY
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in September
Kirbyton, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Kirbyton, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 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
Kirbyton, KY
- Average daylight in September: 12h and 24min
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 30min
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 36min).
Average sunshine days in September
Kirbyton, KY
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is April (12.2 days).
Average UV index in September
Kirbyton, 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 and December (UV index 2).
Average cloud cover in September
Kirbyton, KY
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in September
Kirbyton, 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).





