September weather forecast
Fall Branch, TN

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Weather in September

September, the first month of the autumn in Fall Branch, is still a warm month, with an average temperature fluctuating between 56.5°F (13.6°C) and 80.2°F (26.8°C).

Temperature

During September, Fall Branch records an average high-temperature of a still moderately hot 80.2°F (26.8°C), marking a slight divergence from August's 85.5°F (29.7°C). Fall Branch reports a sharp reduction in temperature during September, averaging at a moderate 56.5°F (13.6°C) at night.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 11.4 days and accumulates 1.02" (26mm) of precipitation.

Snowfall

In Fall Branch, Tennessee, snow does not fall in May through October.

Daylight

The average length of the day in September in Fall Branch is 12h and 24min.
On the first day of September, sunrise is at 7:02 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:15 pm EDT.

Sunshine

In September, the average sunshine in Fall Branch is 8.7h.

UV index

The average daily maximum UV index in September in Fall Branch is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What is the usual temperature for Fall Branch in September?

The high-temperature, in September, in Fall Branch, is 80.2°F (26.8°C), while the low-temperature averages to 56.5°F (13.6°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in August is estimated at 95°F (35°C).

What is the average humidity in September in Fall Branch?

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

What is the driest month in Fall Branch?

September is the month with the least rainfall in Fall Branch, Tennessee. Rain falls for 11.4 days and accumulates 1.02" (26mm) of precipitation.

How many days does it rain in September in Fall Branch?

In September, in Fall Branch, the rain falls for 11.4 days. Throughout September, 1.02" (26mm) of precipitation is accumulated.

When it does not snow in Fall Branch?

In Fall Branch, Tennessee, snow does not fall in May through October.

What is the average length of the day in September in Fall Branch?

In Fall Branch, the average day length in September is 12h and 24min.

When is the sunrise / sunset in September in Fall Branch?

On the first day of September in Fall Branch, sunrise is at 7:02 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:15 pm EDT.

How many hours of sunshine does Fall Branch have in September?

In Fall Branch, Tennessee, the average sunshine duration in September is 8.7h.

How high is the UV index in September in Fall Branch?

In September, the average daily maximum UV index in Fall Branch is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Fall Branch, TN

Average temperature in September - Fall Branch, TN
  • Average high temperature in September: 80.2°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in September: 56.5°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

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Average pressure in September
Fall Branch, TN

Average pressure in September - Fall Branch, TN
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

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Average wind speed in September
Fall Branch, TN

Average wind speed in September - Fall Branch, TN
  • Average wind speed in September: 4.1mph

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

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Average humidity in September
Fall Branch, TN

Average humidity in September - Fall Branch, TN
  • Average humidity in September: 75%

The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are July and August (74%).

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Average rainfall in September
Fall Branch, TN

Average rainfall in September - Fall Branch, TN
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is February (3.15").
The driest month (with the least rainfall) is September (1.02").

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Average rainfall days in September
Fall Branch, TN

Average rainfall days in September - Fall Branch, TN
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is November (8.7 days).

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Average snowfall in September
Fall Branch, TN

Average snowfall in September - Fall Branch, TN
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Fall Branch, TN

Average snowfall days in September - Fall Branch, TN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.9 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
Fall Branch, TN

Average daylight in September / Average sunshine in September - Fall Branch, 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 42min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in September
Fall Branch, TN

Average sunshine days in September - Fall Branch, TN
  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is June (12.8 days).

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Average UV index in September
Fall Branch, TN

Average UV index in September - Fall Branch, 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
Fall Branch, TN

Average cloud cover in September - Fall Branch, TN
  • Average cloud cover in September: 30

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

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Average visibility in September
Fall Branch, TN

Average visibility in September - Fall Branch, TN
  • Average visibility in September: 6mi

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

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Fall Branch, Tennessee, USA

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