September weather forecast
Coile, TN

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Weather in September

September, the first month of the autumn in Coile, is also a moderately hot month, with an average temperature varying between 81.3°F (27.4°C) and 59.9°F (15.5°C).

Temperature

The beginning of September brings a slight decrease in the average high-temperature, transitioning from a hot 86.9°F (30.5°C) in August to a moderately hot 81.3°F (27.4°C). Coile experiences an average low-temperature of 59.9°F (15.5°C) in month of September.

Heat index

For most parts of September, the heat index is estimated at a tropical 86°F (30°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', shows a temperature sensation when both heat and moisture conditions are combined. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The months with the lowest humidity in Coile are June through November, with an average relative humidity of 75%.

Rainfall

The month with the least rainfall in Coile is September, when the rain falls for 8.7 days and typically collects 0.79" (20mm) of precipitation.

Snowfall

In Coile, snow does not fall in April through October.

Daylight

In Coile, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 7:11 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:23 pm EDT.

Sunshine

In Coile, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September in Coile is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Coile?

September temperatures in Coile, Tennessee, vary between a high-temperature of 81.3°F (27.4°C) and a low-temperature of 59.9°F (15.5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 86°F (30°C).

What is the least humid month in Coile?

The months with the lowest humidity in Coile, Tennessee, are June through November, with an average relative humidity of 75%.

What is the average humidity in September in Coile?

The average relative humidity in September is 75%.

What is the driest month in Coile?

The month with the least rainfall in Coile, Tennessee, is September, when the rain falls for 8.7 days and typically collects 0.79" (20mm) of precipitation.

How much does it rain in Coile in September?

In Coile, Tennessee, in September, it is raining for 8.7 days, with typically 0.79" (20mm) of accumulated precipitation.

When it does not snow in Coile?

In Coile, Tennessee, snow does not fall in April through October.

What is the average length of the day in September in Coile?

In Coile, the average day length in September is 12h and 23min.

What time are sunrise and sunset in September in Coile?

In September, on the first day of the month, sunrise is at 7:11 am and sunset at 8:05 pm. On the last day of the month, in Coile, sunrise is at 7:33 am and sunset at 7:23 pm EDT.

How long on average sun shines in September in Coile?

The average sunshine duration in September in Coile is 8.6h.

What is the UV index intensity in September in Coile?

The average daily maximum UV index in September in Coile, Tennessee, is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Coile, TN

Average temperature in September - Coile, TN
  • Average high temperature in September: 81.3°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in September
Coile, TN

Average pressure in September - Coile, TN
  • Average pressure in September: 30.03"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
Coile, TN

Average wind speed in September - Coile, TN
  • Average wind speed in September: 4.3mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).

Average humidity in September
Coile, TN

Average humidity in September - Coile, TN
  • Average humidity in September: 75%

The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).

Average rainfall in September
Coile, TN

Average rainfall in September - Coile, TN
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is September (0.79").

Average rainfall days in September
Coile, TN

Average rainfall days in September - Coile, TN
  • Average rainfall days in September: 8.7 days

The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (6.7 days).

Average snowfall in September
Coile, TN

Average snowfall in September - Coile, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Coile, TN

Average snowfall days in September - Coile, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (2.5 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
Coile, TN

Average daylight in September / Average sunshine in September - Coile, TN
  • Average daylight in September: 12h and 2min

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 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

Average sunshine days in September
Coile, TN

Average sunshine days in September - Coile, TN
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (15.3 days).

Average UV index in September
Coile, TN

Average UV index in September - Coile, 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
Coile, TN

Average cloud cover in September - Coile, TN
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in September
Coile, TN

Average visibility in September - Coile, TN
  • Average visibility in September: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Coile, Tennessee, USA

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