September weather forecast
Lively, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Lively, Tennessee, with an average temperature ranging between max 81.3°F (27.4°C) and min 61.9°F (16.6°C).

Temperature

The arrival of September is marked by an average high-temperature of a moderately hot 81.3°F (27.4°C), bearing a close resemblance to August. Throughout September, Lively's nights cool down to an average of 61.9°F (16.6°C).

Heat index

For most parts of September, the heat index is evaluated at a tropical 86°F (30°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
The metrics for the heat index are tailored for both shady environments and light winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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 Lively, the average relative humidity in September is 76%.

Rainfall

In Lively, in September, during 11.3 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 141.9 rainfall days, and 17.32" (440mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:19 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:31 pm CDT.

Sunshine

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

UV index

In Lively, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

What are September temperatures?

In September, in Lively, the average high-temperature is 81.3°F (27.4°C), and the average low-temperature is 61.9°F (16.6°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

How many days does it rain in September in Lively?

In Lively, during September, the rain falls for 11.3 days and regularly aggregates up to 0.98" (25mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in September?

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 6:19 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:31 pm CDT.

How long on average sun shines in September?

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

How high is the UV index in September?

In Lively, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Lively, TN

Average temperature in September - Lively, 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: 61.9°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 (30.9°F).

Average pressure in September
Lively, TN

Average pressure in September - Lively, 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
Lively, TN

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

The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity in September
Lively, TN

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

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Lively, TN

Average rainfall in September - Lively, TN
  • Average rainfall in September: 0.98"

The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is November (0.94").

Average rainfall days in September
Lively, TN

Average rainfall days in September - Lively, TN
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (7.2 days).

Average snowfall in September
Lively, TN

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

The months with the highest snowfall are February and December (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Lively, TN

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

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Lively, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
Lively, TN

Average sunshine days in September - Lively, TN
  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in September
Lively, TN

Average UV index in September - Lively, 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
Lively, TN

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

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in September
Lively, TN

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

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

Lively, Tennessee, USA

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