September weather forecast
Brittontown, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Brittontown, Tennessee, with an average temperature fluctuating between 56.5°F (13.6°C) and 79°F (26.1°C).

Temperature

August's transformation into September witnesses an average high-temperature of a still warm 79°F (26.1°C), noting a minor change from the preceding month. Brittontown observes a distinct decrease from peak daytime temperatures, with an average low-temperature of 56.5°F (13.6°C) throughout the month of September.

Humidity

The average relative humidity in September is 76%.

Rainfall

The month with the least rainfall in Brittontown is September, when the rain falls for 14.2 days and typically collects 1.65" (42mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September in Brittontown is 12h and 24min.
On the first day of September, sunrise is at 7:03 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:15 pm EDT.

Sunshine

In Brittontown, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

What are September temperatures?

In September, in Brittontown, the average high-temperature is 79°F (26.1°C), and the average low-temperature is 56.5°F (13.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 91.4°F (33°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

What is the driest month?

September is the month with the least rainfall in Brittontown, Tennessee. Rain falls for 14.2 days and accumulates 1.65" (42mm) of precipitation.

How much does it rain in September?

In Brittontown, in September, during 14.2 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow?

In Brittontown, Tennessee, snow does not fall in May through September.

Does it snow in September?

In Brittontown, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Brittontown have in September?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:03 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:15 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September in Brittontown is 8.7h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Brittontown, TN

Average temperature in September - Brittontown, TN
  • Average high temperature in September: 79°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (43.2°F).

  • Average low temperature in September: 56.5°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in September
Brittontown, TN

Average pressure in September - Brittontown, 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
Brittontown, TN

Average wind speed in September - Brittontown, TN
  • Average wind speed in September: 3.9mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in September
Brittontown, TN

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

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

Average rainfall in September
Brittontown, TN

Average rainfall in September - Brittontown, TN
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in September
Brittontown, TN

Average rainfall days in September - Brittontown, TN
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (11.4 days).

Average snowfall in September
Brittontown, TN

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

The month with the highest snowfall is December (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Brittontown, TN

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

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Brittontown, 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 month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in September
Brittontown, TN

Average sunshine days in September - Brittontown, TN
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in September
Brittontown, TN

Average UV index in September - Brittontown, TN
  • Average UV index in September: 4

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
Brittontown, TN

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

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in September
Brittontown, TN

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

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

Brittontown, Tennessee, USA

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