September weather forecastKelley Town, TN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Kelley Town, Tennessee, with an average temperature varying between 80.6°F (27°C) and 59°F (15°C).Temperature
As September arrives, Kelley Town's weather displays a minor decrease in high-temperatures, transitioning from August's hot 86.5°F (30.3°C) to a moderately hot 80.6°F (27°C). September nights bring a significant cooling from the heat of the day, with averages of 59°F (15°C).Heat index
Throughout September, the heat index is evaluated at 84.2°F (29°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Humidity
The average relative humidity in September is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.85" (47mm) of precipitation.Snowfall
May through October are months without snowfall in Kelley Town.Daylight
In Kelley Town, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:22 pm EDT.
Sunshine
In Kelley Town, Tennessee, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. It's recommended to limit sun exposure when its radiation is at its peak during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kelley Town, TN
- Average high temperature in September: 80.6°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in September
Kelley Town, TN
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Kelley Town, TN
- Average wind speed in September: 3.9mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in September
Kelley Town, TN
- Average humidity in September: 76%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July and August (75%).
Average rainfall in September
Kelley Town, TN
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Kelley Town, TN
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in September
Kelley Town, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Kelley Town, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kelley Town, TN
- 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 48min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Kelley Town, TN
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in September
Kelley Town, TN
- 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
Kelley Town, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 30).
Average visibility in September
Kelley Town, TN
- Average visibility in September: 6mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
