September weather forecastLenox, TN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Lenox, Tennessee, with an average temperature varying between 82°F (27.8°C) and 63.5°F (17.5°C).Temperature
September's arrival brings an average high-temperature of a moderately hot 82°F (27.8°C), demonstrating subtle variation from the preceding month. The temperature lowers to an average of 63.5°F (17.5°C) during September nights.Heat index
In September, the average heat index is evaluated at a hot 87.8°F (31°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. 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 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
In September, the average relative humidity is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.5 days and typically collects 0.59" (15mm) of precipitation.Snowfall
In Lenox, snow does not fall in April through October.Daylight
In September, the average length of the day in Lenox, Tennessee, is 12h and 23min.On the first day of September, sunrise is at 6:30 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:42 pm CDT.
Sunshine
In September, the average sunshine in Lenox is 9.4h.UV index
The average daily maximum UV index in September in Lenox is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 5 in September translates into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lenox, TN
- Average high temperature in September: 82°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in September
Lenox, TN
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Lenox, TN
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Lenox, TN
- Average humidity in September: 73%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Lenox, TN
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in September
Lenox, TN
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Lenox, TN
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Lenox, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Lenox, 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: 9h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Lenox, TN
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in September
Lenox, TN
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Lenox, TN
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Lenox, TN
- 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).





