Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Shifting into September, Blountville records an average high-temperature of a still warm 79.7°F (26.5°C), presenting minor fluctuations compared to the previous month. Blountville anticipates a considerable cooling off from the daytime high to an average minimum temperature of 56.1°F (13.4°C) in September.Humidity
The average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.2 days and typically collects 1.06" (27mm) of precipitation.Snowfall
In Blountville, snow does not fall in May through September.Daylight
In Blountville, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:13 pm EDT.
Sunshine
The average sunshine in September in Blountville is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September in Blountville?
How many hours of sunshine does Blountville have in September?
What is the UV index intensity in September in Blountville?
Average temperature in September
Blountville, TN
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Blountville, 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
Blountville, TN
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Blountville, TN
- Average humidity in September: 75%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August and November (74%).
Average rainfall in September
Blountville, TN
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is February (3.54").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in September
Blountville, TN
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in September
Blountville, TN
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Blountville, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 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
Blountville, TN
- Average daylight in September: 12h and 2min
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 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Blountville, TN
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in September
Blountville, TN
- Average UV index in September: 4
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
Blountville, 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
Blountville, TN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Blountville, Tennessee, USA
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