September weather forecastSurgoinsville, TN
September
Weather in September
September, the first month of the autumn in Surgoinsville, is also a moderately hot month, with an average temperature varying between 80.2°F (26.8°C) and 56.5°F (13.6°C).Temperature
Surgoinsville experiences a minor change to a still warm 80.2°F (26.8°C) in average high-temperature during September, closely reflecting August. Surgoinsville documents a marked decrease from day to night, with an average low of 56.5°F (13.6°C) throughout September.Humidity
The average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.22" (31mm) of precipitation.Snowfall
In Surgoinsville, Tennessee, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:59 pm. On the last day of September, in Surgoinsville, sunrise is at 7:26 am and sunset at 7:15 pm EDT.
Sunshine
In Surgoinsville, the average sunshine in September is 8.6h.UV index
In Surgoinsville, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Surgoinsville, TN
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Surgoinsville, TN
- Average pressure in September: 30.05"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Surgoinsville, TN
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in September
Surgoinsville, TN
- Average humidity in September: 75%
The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in September
Surgoinsville, TN
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is February (3.43").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in September
Surgoinsville, TN
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in September
Surgoinsville, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Surgoinsville, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.3 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
Surgoinsville, 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 42min).
- Average sunshine in September: 8h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Surgoinsville, TN
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in September
Surgoinsville, 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
Surgoinsville, TN
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Surgoinsville, TN
- Average visibility in September: 6mi
The months with the highest visibility are April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and May (5mi).





