September weather forecastTullahoma, TN
September
Weather in September
September marks a pronounced onset of Autumn in Tullahoma with falling temperatures and shortening daylight hours. The trees align with the changing weather, as leaves start adorning shades of orange and brown. A considerable temperature drop sees the high at 80.8°F (27.1°C), making way for the crispness of fall. As the rainfall tapers off to a more bearable 1.85" (47mm), it provides the perfect setting for fall activities. Despite a decrease in sunlight hours, September comes with an enchanting allure that only Autumn can give.Temperature
As August turns into September, the average high-temperatures rest at a still moderately hot 80.8°F (27.1°C), showing a minor variation from the prior month. An average minimum temperature of 61.3°F (16.3°C) is recorded during the month of September.Heat index
September's average heat index is appraised at a hot 86°F (30°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Heat index determinations are made taking into account the shade and light air movements. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In Tullahoma, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 1.85" (47mm) of precipitation.Snowfall
In Tullahoma, snow does not fall in May through October.Daylight
In September, the average length of the day in Tullahoma, Tennessee, is 12h and 23min.On the first day of September, sunrise is at 6:17 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:29 pm CDT.
Sunshine
The average sunshine in September in Tullahoma is 8.5h.UV index
In Tullahoma, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Take precautions - Protection against skin and eye damage is obliged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tullahoma, TN
- Average high temperature in September: 80.8°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in September
Tullahoma, TN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Tullahoma, TN
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in September
Tullahoma, TN
- Average humidity in September: 76%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Tullahoma, TN
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is February (4.02").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Tullahoma, TN
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in September
Tullahoma, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Tullahoma, TN
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (3.3 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
Tullahoma, TN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
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 February (Average sunshine: 4h and 30min).
Average sunshine days in September
Tullahoma, TN
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in September
Tullahoma, 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 and December (UV index 2).
Average cloud cover in September
Tullahoma, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Tullahoma, TN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
