September weather forecast
Windrow, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Windrow, Tennessee, with an average temperature varying between 61.9°F (16.6°C) and 81.5°F (27.5°C).

Temperature

The onset of September entails a subtle temperature shift, as the average high-temperature eases from a hot 86.9°F (30.5°C) in August to a moderately hot 81.5°F (27.5°C). Windrow experiences a mean temperature of 61.9°F (16.6°C) during September nights.

Heat index

The heat index in September is computed to be a tropical 86°F (30°C). Extended exposure and activity might lead to tiredness, potentially resulting in heat cramps.
Factoring in the heat index, values are geared towards shaded areas with light breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance 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

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

Rainfall

The month with the least rainfall is September, when the rain falls for 8 days and typically collects 0.39" (10mm) of precipitation.

Snowfall

April through October are months without snowfall in Windrow, Tennessee.

Daylight

In Windrow, Tennessee, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:18 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:40 am and sunset at 6:30 pm CDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

In Windrow, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the usual temperature for Windrow in September?

In Windrow, 81.5°F (27.5°C) is the average high-temperature and 61.9°F (16.6°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 86°F (30°C).

What is the average humidity in September in Windrow?

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

What is the driest month in Windrow?

September is the month with the least rainfall in Windrow. Rain falls for 8 days and accumulates 0.39" (10mm) of precipitation.

How many days does it rain in September in Windrow?

In Windrow, Tennessee, in September, it is raining for 8 days, with typically 0.39" (10mm) of accumulated precipitation.

When it does not snow in Windrow?

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

How many hours of daylight does Windrow have in September?

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

When is the sunrise / sunset in September in Windrow?

In September, on the first day of the month, sunrise is at 6:18 am and sunset at 7:13 pm. On the last day of the month, in Windrow, Tennessee, sunrise is at 6:40 am and sunset at 6:30 pm CDT.

How many hours of sunshine does Windrow have in September?

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

How high is the UV index in September in Windrow?

The average daily maximum UV index in September in Windrow is 5. A UV Index estimate 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
Windrow, TN

Average temperature in September - Windrow, TN
  • Average high temperature in September: 81.5°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 (45.1°F).

  • Average low temperature in September: 61.9°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 (30.7°F).

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Average pressure in September
Windrow, TN

Average pressure in September - Windrow, 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).

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Average wind speed in September
Windrow, TN

Average wind speed in September - Windrow, TN
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in September
Windrow, TN

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

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

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Average rainfall in September
Windrow, TN

Average rainfall in September - Windrow, TN
  • Average rainfall in September: 0.39"

The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is September (0.39").

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Average rainfall days in September
Windrow, TN

Average rainfall days in September - Windrow, TN
  • Average rainfall days in September: 8 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (7.3 days).

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Average snowfall in September
Windrow, TN

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

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Windrow, TN

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

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Windrow, TN

Average daylight in September / Average sunshine in September - Windrow, 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 February (Average sunshine: 4h and 30min).

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Average sunshine days in September
Windrow, TN

Average sunshine days in September - Windrow, TN
  • Average sunshine days in September: 18.9 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).

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Average UV index in September
Windrow, TN

Average UV index in September - Windrow, 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).

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Average cloud cover in September
Windrow, TN

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

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in September
Windrow, TN

Average visibility in September - Windrow, 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).

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Windrow, Tennessee, USA

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