September weather forecast
Sherrilltown, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Sherrilltown, Tennessee, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 61.5°F (16.4°C).

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from a hot 86.4°F (30.2°C) in August to a moderately hot 81°F (27.2°C). In Sherrilltown, September nights cool down to an average of 61.5°F (16.4°C).

Heat index

The heat index value for September is evaluated at a tropical 86°F (30°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.
Observations indicate that the heat index values are for shady locations 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 'real feel' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

The average relative humidity in September is 76%.

Rainfall

In Sherrilltown, during September, the rain falls for 14.5 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Sherrilltown, during the entire year, the rain falls for 182.4 days and collects up to 39.8" (1011mm) of precipitation.

Snowfall

In Sherrilltown, snow does not fall in May through October.

Daylight

In Sherrilltown, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:17 am and sunset at 7:12 pm. On the last day of September, in Sherrilltown, sunrise is at 6:39 am and sunset at 6:29 pm CDT.

Sunshine

In Sherrilltown, Tennessee, the average sunshine in September 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 rays for the ordinary person.
Note: The maximum UV index of 5 during September translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

In September, in Sherrilltown, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 61.5°F (16.4°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 evaluated at 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 76%.

How much does it rain in September?

In Sherrilltown, during September, the rain falls for 14.5 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow?

In Sherrilltown, snow does not fall in May through October.

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:17 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:29 pm CDT.

How many hours of sunshine does Sherrilltown have in September?

In Sherrilltown, 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 in Sherrilltown is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Sherrilltown, TN

Average temperature in September - Sherrilltown, TN
  • Average high temperature in September: 81°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 (43.9°F).

  • Average low temperature in September: 61.5°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in September
Sherrilltown, TN

Average pressure in September - Sherrilltown, 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
Sherrilltown, TN

Average wind speed in September - Sherrilltown, TN
  • Average wind speed in September: 4.7mph

The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).

Average humidity in September
Sherrilltown, TN

Average humidity in September - Sherrilltown, TN
  • Average humidity in September: 76%

The months with the highest relative humidity are March and December (79%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in September
Sherrilltown, TN

Average rainfall in September - Sherrilltown, TN
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is July (4.92").
The driest month (with the least rainfall) is November (2.24").

Average rainfall days in September
Sherrilltown, TN

Average rainfall days in September - Sherrilltown, TN
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (11 days).

Average snowfall in September
Sherrilltown, TN

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

The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Sherrilltown, TN

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

The month with the highest number of snowfall days is January (5.4 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
Sherrilltown, TN

Average daylight in September / Average sunshine in September - Sherrilltown, 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 48min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Sherrilltown, TN

Average sunshine days in September - Sherrilltown, TN
  • Average sunshine days in September: 13.7 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (9.2 days).

Average UV index in September
Sherrilltown, TN

Average UV index in September - Sherrilltown, 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
Sherrilltown, TN

Average cloud cover in September - Sherrilltown, 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 29).

Average visibility in September
Sherrilltown, TN

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

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

Sherrilltown, Tennessee, USA

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