September weather forecastKingsport, TN
September
Weather in September
September brings a welcome respite from the high summer temperatures in Kingsport. The weather remains warm yet comfortable, with noticeably cooler evenings. The rainfall further lessens to just 0.98" (25mm), the lowest average for the year, making for rather dry conditions. Meanwhile, spells of unhampered sunshine persist, counterbalanced by a slight uptick in cloud cover. With autumn around the corner, early signs of the season's vibrant foliage begin to show.Temperature
Kingsport's September reports an average high-temperature of a still warm 80.2°F (26.8°C), exhibiting a minor difference from August. A striking departure from daytime highs to an average low-temperature of 56.3°F (13.5°C) is witnessed during September.Humidity
The months with the lowest humidity are July through September and November, with an average relative humidity of 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.3 days and typically collects 0.98" (25mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 7:02 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:14 pm EDT.
Sunshine
In Kingsport, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Take precautions - Protection against sun damage is advised. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kingsport, TN
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Kingsport, TN
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Kingsport, TN
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Kingsport, TN
- Average humidity in September: 74%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August, September and November (74%).
Average rainfall in September
Kingsport, TN
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in September
Kingsport, TN
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is November (8 days).
Average snowfall in September
Kingsport, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Kingsport, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.2 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
Kingsport, 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 42min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Kingsport, TN
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Kingsport, 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
Kingsport, TN
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Kingsport, TN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
