September weather forecast
Jeffery Acres, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Jeffery Acres, Tennessee, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 60.6°F (15.9°C).

Temperature

A mild drop in Jeffery Acres's average high-temperature is observed in September, transitioning from a tropical 87.4°F (30.8°C) in August to a warm 81.5°F (27.5°C). Jeffery Acres's temperature in September lowers to a consistent average of 60.6°F (15.9°C) during the nights.

Heat index

September's average heat index is estimated at a tropical 86°F (30°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In Jeffery Acres, the average relative humidity in September is 76%.

Rainfall

The month with the least rainfall in Jeffery Acres is September, when the rain falls for 7.5 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

April through November are months without snowfall in Jeffery Acres.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of September in Jeffery Acres, Tennessee, sunrise is at 7:13 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:25 pm EDT.

Sunshine

In September, the average sunshine in Jeffery Acres is 8.5h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during September translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

What is the average September temperature in Jeffery Acres?

An average high-temperature, in September, in Jeffery Acres, is 81.5°F (27.5°C) and the average low-temperature is 60.6°F (15.9°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in September is estimated at 86°F (30°C).

What is the average humidity in September in Jeffery Acres?

In September, the average relative humidity in Jeffery Acres is 76%.

What is the driest month in Jeffery Acres?

September is the month with the least rainfall in Jeffery Acres, Tennessee. Rain falls for 7.5 days and accumulates 0.43" (11mm) of precipitation.

How much does it rain in Jeffery Acres in September?

In Jeffery Acres, during September, the rain falls for 7.5 days and regularly aggregates up to 0.43" (11mm) of precipitation.

When it does not snow in Jeffery Acres?

April through November are months without snowfall.

How many hours of daylight does Jeffery Acres have in September?

In September, the average day length in Jeffery Acres, Tennessee, is 12h and 23min.

When are sunrise and sunset in September in Jeffery Acres?

In September, on the first day of the month, sunrise is at 7:13 am and sunset at 8:07 pm. On the last day of the month, in Jeffery Acres, sunrise is at 7:35 am and sunset at 7:25 pm EDT.

How many hours of sunshine does Jeffery Acres have in September?

The average sunshine duration in September in Jeffery Acres, Tennessee, is 8.5h.

What is the UV index reading in September in Jeffery Acres?

In Jeffery Acres, the average daily maximum UV index in September is 5. A UV Index value 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
Jeffery Acres, TN

Average temperature in September - Jeffery Acres, TN
  • Average high temperature in September: 81.5°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in September: 60.6°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

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Average pressure in September
Jeffery Acres, TN

Average pressure in September - Jeffery Acres, 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
Jeffery Acres, TN

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

The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

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Average humidity in September
Jeffery Acres, TN

Average humidity in September - Jeffery Acres, TN
  • Average humidity in September: 76%

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

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Average rainfall in September
Jeffery Acres, TN

Average rainfall in September - Jeffery Acres, TN
  • Average rainfall in September: 0.43"

The wettest months (with the highest rainfall) are February and December (1.18").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days in September
Jeffery Acres, TN

Average rainfall days in September - Jeffery Acres, TN
  • Average rainfall days in September: 7.5 days

The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is October (6.1 days).

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Average snowfall in September
Jeffery Acres, TN

Average snowfall in September - Jeffery Acres, 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, October and November (0").

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Average snowfall days in September
Jeffery Acres, TN

Average snowfall days in September - Jeffery Acres, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Jeffery Acres, TN

Average daylight in September / Average sunshine in September - Jeffery Acres, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in September
Jeffery Acres, TN

Average sunshine days in September - Jeffery Acres, TN
  • Average sunshine days in September: 20.5 days

The month with the most sunshine days is October (23.6 days).
The month with the least sunshine days is July (16.8 days).

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Average UV index in September
Jeffery Acres, TN

Average UV index in September - Jeffery Acres, 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
Jeffery Acres, TN

Average cloud cover in September - Jeffery Acres, TN
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in September
Jeffery Acres, TN

Average visibility in September - Jeffery Acres, TN
  • Average visibility in September: 5mi

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

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Jeffery Acres, Tennessee, USA

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