September weather forecast
Scotts Mill, TN

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Weather in September

September, the first month of the autumn in Scotts Mill, is still a warm month, with an average temperature fluctuating between 61.7°F (16.5°C) and 81.3°F (27.4°C).

Temperature

Transitioning into September, Scotts Mill records an average high-temperature of a moderately hot 81.3°F (27.4°C), almost identical to August's 86.5°F (30.3°C). Throughout September nights, Scotts Mill experiences a consistent temperature average of 61.7°F (16.5°C).

Heat index

Throughout September, the heat index is computed to be a tropical 86°F (30°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

The average relative humidity in September is 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.8 days and typically collects 2.36" (60mm) of precipitation.

Snowfall

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

Daylight

In Scotts Mill, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:15 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:33 pm CDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

The average daily maximum UV index in September 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: During September, 5 as the daily maximum UV index converts into the following advice:
Adopt protective measures - It is advised to guard against sun damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

During September, Scotts Mill experiences an average high-temperature of 81.3°F (27.4°C) and a low-temperature of 61.7°F (16.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in September is computed to be 86°F (30°C).

What is the average humidity in September in Scotts Mill?

In September, the average relative humidity is 76%.

What is the driest month?

September is the month with the least rainfall in Scotts Mill, Tennessee. Rain falls for 13.8 days and accumulates 2.36" (60mm) of precipitation.

How much does it rain in September?

In September, the rain falls for 13.8 days. Throughout September, 2.36" (60mm) of precipitation is accumulated.

When it does not snow?

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

How many hours of daylight does Scotts Mill have in September?

The average day length in September is 12h and 23min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:21 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:33 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.5h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Scotts Mill, TN

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

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.3°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure in September
Scotts Mill, TN

Average pressure in September - Scotts Mill, TN
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in September
Scotts Mill, TN

Average wind speed in September - Scotts Mill, TN
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in September
Scotts Mill, TN

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

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Scotts Mill, TN

Average rainfall in September - Scotts Mill, TN
  • Average rainfall in September: 2.36"

The wettest months (with the highest rainfall) are February and July (4.06").
The driest month (with the least rainfall) is September (2.36").

Average rainfall days in September
Scotts Mill, TN

Average rainfall days in September - Scotts Mill, TN
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.9 days).

Average snowfall in September
Scotts Mill, TN

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

The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Scotts Mill, TN

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

The months with the highest number of snowfall days are January and February (2.8 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
Scotts Mill, TN

Average daylight in September / Average sunshine in September - Scotts 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in September
Scotts Mill, TN

Average sunshine days in September - Scotts Mill, TN
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in September
Scotts Mill, TN

Average UV index in September - Scotts 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 month with the lowest UV index is December (UV index 2).

Average cloud cover in September
Scotts Mill, TN

Average cloud cover in September - Scotts Mill, TN
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in September
Scotts Mill, TN

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

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

Scotts Mill, Tennessee, USA

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