September weather forecastSequatchie, TN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Sequatchie, Tennessee, with temperature in the range of an average high of 80.4°F (26.9°C) and an average low of 59°F (15°C).Temperature
In September, Sequatchie experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 85.6°F (29.8°C) in August to a still moderately hot 80.4°F (26.9°C). The average low-temperature, in September, is a mild 59°F (15°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In Sequatchie, in September, it is raining for 12.8 days, with typically 2.09" (53mm) of accumulated precipitation. In Sequatchie, during the entire year, the rain falls for 169.5 days and collects up to 32.68" (830mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:15 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:27 pm CDT.
Sunshine
In Sequatchie, the average sunshine in September is 8.1h.UV index
In Sequatchie, Tennessee, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sequatchie, TN
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Sequatchie, 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
Sequatchie, TN
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Sequatchie, TN
- Average humidity in September: 78%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are January, June, October and November (77%).
Average rainfall in September
Sequatchie, TN
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is November (2.05").
Average rainfall days in September
Sequatchie, TN
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in September
Sequatchie, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Sequatchie, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.7 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
Sequatchie, 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 6min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Sequatchie, TN
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Sequatchie, 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
Sequatchie, TN
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 33).
Average visibility in September
Sequatchie, TN
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
