September weather forecast
Lewis Store, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Lewis Store, Tennessee, with an average temperature ranging between max 80.6°F (27°C) and min 61°F (16.1°C).

Temperature

September's climate shows a minor adjustment in average high-temperatures to a still warm 80.6°F (27°C) from August's 85.6°F (29.8°C). In the month of September, the nighttime temperature in Lewis Store dips to a steady average of 61°F (16.1°C).

Heat index

The heat index value during September is computed to be 84.2°F (29°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

The average relative humidity in September in Lewis Store, Tennessee, is 76%.

Rainfall

The month with the least rainfall in Lewis Store is September, when the rain falls for 14.1 days and typically collects 2.28" (58mm) of precipitation.

Snowfall

May through October are months without snowfall in Lewis Store.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 6:17 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:29 pm CDT.

Sunshine

The average sunshine in September in Lewis Store is 8.3h.

UV index

In Lewis Store, Tennessee, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 5 transforms into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Frequently asked questions

What is the usual temperature for Lewis Store in September?

In Lewis Store, 80.6°F (27°C) is the average high-temperature and 61°F (16.1°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 84.2°F (29°C).

What is the average humidity in September in Lewis Store?

In Lewis Store, Tennessee, the average relative humidity in September is 76%.

What is the driest month in Lewis Store?

The month with the least rainfall in Lewis Store is September, when the rain falls for 14.1 days and typically collects 2.28" (58mm) of precipitation.

How many days does it rain in September in Lewis Store?

In Lewis Store, in September, during 14.1 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

When it does not snow in Lewis Store?

In Lewis Store, snow does not fall in May through October.

What is the average length of the day in September in Lewis Store?

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

When are sunrise and sunset in September in Lewis Store?

On the first day of September in Lewis Store, Tennessee, sunrise is at 6:17 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:29 pm CDT.

How long on average sun shines in September in Lewis Store?

In September, the average sunshine duration in Lewis Store, Tennessee, is 8.3h.

What is the UV index reading in September in Lewis Store?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
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
Lewis Store, TN

Average temperature in September - Lewis Store, TN
  • Average high temperature in September: 80.6°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

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Average pressure in September
Lewis Store, TN

Average pressure in September - Lewis Store, 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 (29.98"Hg).

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Average wind speed in September
Lewis Store, TN

Average wind speed in September - Lewis Store, TN
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

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Average humidity in September
Lewis Store, TN

Average humidity in September - Lewis Store, TN
  • Average humidity in September: 76%

The months with the highest relative humidity are March and December (80%).
The months with the lowest relative humidity are October and November (75%).

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Average rainfall in September
Lewis Store, TN

Average rainfall in September - Lewis Store, TN
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is September (2.28").

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Average rainfall days in September
Lewis Store, TN

Average rainfall days in September - Lewis Store, TN
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (10.3 days).

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Average snowfall in September
Lewis Store, TN

Average snowfall in September - Lewis Store, TN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Lewis Store, TN

Average snowfall days in September - Lewis Store, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.2 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
Lewis Store, TN

Average daylight in September / Average sunshine in September - Lewis Store, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in September
Lewis Store, TN

Average sunshine days in September - Lewis Store, TN
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is July (8.1 days).

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Average UV index in September
Lewis Store, TN

Average UV index in September - Lewis Store, 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 and December (UV index 2).

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Average cloud cover in September
Lewis Store, TN

Average cloud cover in September - Lewis Store, TN
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in September
Lewis Store, TN

Average visibility in September - Lewis Store, TN
  • Average visibility in September: 6mi

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

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Lewis Store, Tennessee, USA

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