September weather forecastGlen Arden, TN
September
Weather in September
The first month of the autumn, September, is still a warm month in Glen Arden, Tennessee, with an average temperature ranging between max 81.3°F (27.4°C) and min 60.1°F (15.6°C).Temperature
In Glen Arden, the average high-temperature in September gently drops from a tropical 87.1°F (30.6°C) in August to a warm 81.3°F (27.4°C). In Glen Arden, the average low-temperature during the month of September is a refreshing 60.1°F (15.6°C).Heat index
September's heat index is evaluated at a tropical 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.The standards for the heat index are set for locations in shade and under light breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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
In September, the average relative humidity is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.97" (50mm) of precipitation.Snowfall
In Glen Arden, snow does not fall in May through September.Daylight
In Glen Arden, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 7:08 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:20 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In Glen Arden, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Glen Arden, TN
- Average high temperature in September: 81.3°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Glen Arden, 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
Glen Arden, TN
- Average wind speed in September: 3.8mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in September
Glen Arden, TN
- Average humidity in September: 74%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Glen Arden, TN
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Glen Arden, TN
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in September
Glen Arden, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Glen Arden, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.5 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
Glen Arden, 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 42min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Glen Arden, TN
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Glen Arden, 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
Glen Arden, TN
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in September
Glen Arden, TN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).





