September weather forecast
Jerrerson Farms, TN

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Weather in September

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

Temperature

The start of September involves a subtle temperature drop, shifting from a hot 86.9°F (30.5°C) in August to a warm 81.5°F (27.5°C). The temperature lowers to an average of 61.9°F (16.6°C) during September nights.

Heat index

September's mean heat index is evaluated at a tropical 86°F (30°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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

In September, the average relative humidity is 75%.

Rainfall

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

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day in Jerrerson Farms is 12h and 23min.
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 6:40 am and sunset at 6:30 pm CDT.

Sunshine

In Jerrerson Farms, the average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The high-temperature during September is 81.5°F (27.5°C) and the low-temperature is 61.9°F (16.6°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is evaluated at 86°F (30°C).

What is the average humidity in September in Jerrerson Farms?

The average relative humidity in September is 75%.

What is the driest month?

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

How many days does it rain in September?

In Jerrerson Farms, during September, the rain falls for 8 days and regularly aggregates up to 0.39" (10mm) of precipitation.

When it does not snow?

In Jerrerson Farms, Tennessee, snow does not fall in April through October.

How many hours of daylight does Jerrerson Farms have in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:17 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:30 pm CDT.

How many hours of sunshine does Jerrerson Farms have in September?

In September, the average sunshine duration is 8.6h.

What is the UV index intensity in September?

In Jerrerson Farms, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Jerrerson Farms, TN

Average temperature in September - Jerrerson Farms, 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).

Average pressure in September
Jerrerson Farms, TN

Average pressure in September - Jerrerson Farms, 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
Jerrerson Farms, TN

Average wind speed in September - Jerrerson Farms, 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).

Average humidity in September
Jerrerson Farms, TN

Average humidity in September - Jerrerson Farms, 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%).

Average rainfall in September
Jerrerson Farms, TN

Average rainfall in September - Jerrerson Farms, 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").

Average rainfall days in September
Jerrerson Farms, TN

Average rainfall days in September - Jerrerson Farms, 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).

Average snowfall in September
Jerrerson Farms, TN

Average snowfall in September - Jerrerson Farms, 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").

Average snowfall days in September
Jerrerson Farms, TN

Average snowfall days in September - Jerrerson Farms, 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).

Average daylight in September /
Average sunshine in September
Jerrerson Farms, TN

Average daylight in September / Average sunshine in September - Jerrerson Farms, 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 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).

Average sunshine days in September
Jerrerson Farms, TN

Average sunshine days in September - Jerrerson Farms, 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).

Average UV index in September
Jerrerson Farms, TN

Average UV index in September - Jerrerson Farms, 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
Jerrerson Farms, TN

Average cloud cover in September - Jerrerson Farms, 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).

Average visibility in September
Jerrerson Farms, TN

Average visibility in September - Jerrerson Farms, 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).

Jerrerson Farms, Tennessee, USA

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