September weather forecast
Ellis Mill, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Ellis Mill, Tennessee, with an average temperature varying between 59.5°F (15.3°C) and 81.3°F (27.4°C).

Temperature

Ellis Mill's September reports an average high-temperature of a moderately hot 81.3°F (27.4°C), exhibiting a minor difference from August. Nightly readings in September display a noticeable downturn from daily highs in Ellis Mill, with the average low-temperature registering a mild 59.5°F (15.3°C).

Heat index

Throughout September, the heat index is appraised at a tropical 86°F (30°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

In September, the average relative humidity in Ellis Mill, Tennessee, is 76%.

Rainfall

The months with the least rainfall in Ellis Mill are September and November Rain falls for 12.7 days and accumulates 1.89" (48mm) of rain.

Snowfall

May through October are months without snowfall in Ellis Mill.

Daylight

In September, the average length of the day in Ellis Mill, Tennessee, is 12h and 23min.
On the first day of September in Ellis Mill, sunrise is at 7:10 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

Sunshine

In Ellis Mill, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September in Ellis Mill is 5. 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: The maximum UV index of 5 during September leads to these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Ellis Mill?

An average high-temperature, in September, in Ellis Mill, is 81.3°F (27.4°C) and the average low-temperature is 59.5°F (15.3°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 86°F (30°C).

What is the average humidity in September in Ellis Mill?

In September, the average relative humidity is 76%.

What is the driest month in Ellis Mill?

September and November are months with the least rain in Ellis Mill, Tennessee, when the rain falls for 12.7 days and typically aggregates up to 1.89" (48mm) of rain.

How much does it rain in Ellis Mill in September?

In September, the rain falls for 12.7 days. Throughout September, 1.89" (48mm) of precipitation is accumulated.

When it does not snow in Ellis Mill?

In Ellis Mill, Tennessee, snow does not fall in May through October.

What is the average length of the day in September in Ellis Mill?

In Ellis Mill, Tennessee, the average day length in September is 12h and 23min.

What time are sunrise and sunset in September in Ellis Mill?

In September, on the first day of the month, sunrise is at 7:10 am and sunset at 8:04 pm. On the last day of the month, in Ellis Mill, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

How many hours of sunshine does Ellis Mill have in September?

The average sunshine duration in September in Ellis Mill, Tennessee, is 8.6h.

How high is the UV index in September in Ellis Mill?

In Ellis Mill, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe 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
Ellis Mill, TN

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

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in September
Ellis Mill, TN

Average pressure in September - Ellis Mill, 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
Ellis Mill, TN

Average wind speed in September - Ellis Mill, 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
Ellis Mill, TN

Average humidity in September - Ellis Mill, TN
  • Average humidity in September: 76%

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

Average rainfall in September
Ellis Mill, TN

Average rainfall in September - Ellis Mill, TN
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is July (3.94").
The driest months (with the least rainfall) are September and November (1.89").

Average rainfall days in September
Ellis Mill, TN

Average rainfall days in September - Ellis Mill, TN
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in September
Ellis Mill, TN

Average snowfall in September - Ellis Mill, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Ellis Mill, TN

Average snowfall days in September - Ellis Mill, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.6 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
Ellis Mill, TN

Average daylight in September / Average sunshine in September - Ellis Mill, 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 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

Average sunshine days in September
Ellis Mill, TN

Average sunshine days in September - Ellis Mill, TN
  • Average sunshine days in September: 14.3 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in September
Ellis Mill, TN

Average UV index in September - Ellis Mill, 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
Ellis Mill, TN

Average cloud cover in September - Ellis Mill, 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 June (Cloud cover 28).

Average visibility in September
Ellis Mill, TN

Average visibility in September - Ellis Mill, TN
  • Average visibility in September: 6mi

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

Ellis Mill, Tennessee, USA

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