September weather forecast
Whisperwood, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Whisperwood, Tennessee, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 61°F (16.1°C).

Temperature

September signifies a minor drop in average high-temperature, transitioning from a tropical 87.4°F (30.8°C) in August to a warm 81.9°F (27.7°C). Whisperwood reports a consistent average low-temperature of 61°F (16.1°C) throughout September nights.

Heat index

Throughout September, the heat index is computed to be a tropical 87.8°F (31°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
Research indicates the heat index considers values in shaded locales and with light winds. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant 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

June through November, with an average relative humidity of 75%, are the least humid months in Whisperwood.

Rainfall

September is the month with the least rainfall in Whisperwood. Rain falls for 11.1 days and accumulates 1.3" (33mm) of precipitation.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 7:12 am and sunset at 8:05 pm. On the last day of September, in Whisperwood, sunrise is at 7:33 am and sunset at 7:24 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in September in Whisperwood is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 5 during September leads to these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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 Whisperwood?

In Whisperwood, in September, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 61°F (16.1°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is computed to be 87.8°F (31°C).

What are the least humid months in Whisperwood?

June through November, with an average relative humidity of 75%, are the least humid months in Whisperwood, Tennessee.

What is the average humidity in September in Whisperwood?

In Whisperwood, the average relative humidity in September is 75%.

What is the driest month in Whisperwood?

September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.3" (33mm) of precipitation.

How many days does it rain in September in Whisperwood?

In September, the rain falls for 11.1 days. Throughout September, 1.3" (33mm) of precipitation is accumulated.

When it does not snow in Whisperwood?

April through October are months without snowfall.

How many hours of daylight does Whisperwood have in September?

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

What time are sunrise and sunset in September in Whisperwood?

In September, on the first day of the month, sunrise is at 7:12 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:24 pm EDT.

How long on average sun shines in September in Whisperwood?

In September, the average sunshine duration in Whisperwood, Tennessee, is 8.6h.

What is the UV index intensity in September in Whisperwood?

In September, the average daily maximum UV index in Whisperwood, Tennessee, is 5. A UV Index 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
Whisperwood, TN

Average temperature in September - Whisperwood, TN
  • Average high temperature in September: 81.9°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.4°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure in September
Whisperwood, TN

Average pressure in September - Whisperwood, 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
Whisperwood, TN

Average wind speed in September - Whisperwood, TN
  • Average wind speed in September: 4.1mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in September
Whisperwood, TN

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

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).

Average rainfall in September
Whisperwood, TN

Average rainfall in September - Whisperwood, TN
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in September
Whisperwood, TN

Average rainfall days in September - Whisperwood, TN
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in September
Whisperwood, TN

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

The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Whisperwood, TN

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

The month with the highest number of snowfall days is February (1.7 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
Whisperwood, TN

Average daylight in September / Average sunshine in September - Whisperwood, 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 month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in September
Whisperwood, TN

Average sunshine days in September - Whisperwood, TN
  • Average sunshine days in September: 16.4 days

The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in September
Whisperwood, TN

Average UV index in September - Whisperwood, 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
Whisperwood, TN

Average cloud cover in September - Whisperwood, TN
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in September
Whisperwood, TN

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

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

Whisperwood, Tennessee, USA

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