September weather forecast
Fall Branch, TN

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Weather in September

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

Temperature

Fall Branch records an average high-temperature of a still moderately hot 80.2°F (26.8°C) in September, maintaining a close correlation with August's 85.5°F (29.7°C). The significant decline in Fall Branch's temperature, from day to night, averages of 56.5°F (13.6°C) in September.

Humidity

The average relative humidity in September is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 1.02" (26mm) of precipitation.

Snowfall

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

Daylight

In Fall Branch, the average length of the day in September 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 is 8.7h.

UV index

In Fall Branch, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What is the usual temperature for Fall Branch in September?

In September, the average high-temperature and low-temperature are 80.2°F (26.8°C) and 56.5°F (13.6°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in August is estimated at 95°F (35°C).

What is the average humidity in September?

In Fall Branch, 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 11.4 days and typically collects 1.02" (26mm) of precipitation.

How many days does it rain in September?

In Fall Branch, Tennessee, in September, it is raining for 11.4 days, with typically 1.02" (26mm) of accumulated precipitation.

When it does not snow in Fall Branch?

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

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

The average day length in September is 12h and 24min.

When are sunrise and sunset in September?

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, the average sunshine duration in September is 8.7h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Fall Branch, Tennessee, USA

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