September weather forecast
Byrdstown, TN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Byrdstown, Tennessee, with an average temperature ranging between max 79.7°F (26.5°C) and min 59.4°F (15.2°C).

Temperature

September signifies a gentle decline in Byrdstown's average high-temperature, easing from a warm 85.3°F (29.6°C) in August to a still moderately hot 79.7°F (26.5°C). The average temperature in Byrdstown during September nights dips to a mild 59.4°F (15.2°C).

Humidity

The average relative humidity in September is 77%.

Rainfall

In Byrdstown, in September, during 12.6 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Byrdstown, during the entire year, the rain falls for 162.3 days and collects up to 28.23" (717mm) of precipitation.

Snowfall

In Byrdstown, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of the month, sunrise is at 6:12 am and sunset at 7:08 pm. On the last day of September, sunrise is at 6:35 am and sunset at 6:24 pm CDT.

Sunshine

In September, the average sunshine in Byrdstown, Tennessee, is 8.2h.

UV index

The average daily maximum UV index in September in Byrdstown, Tennessee, is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In September, a regular UV index of 5 translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Byrdstown?

Byrdstown in September has an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 59.4°F (15.2°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 95°F (35°C).

What is the average humidity in September in Byrdstown?

In Byrdstown, the average relative humidity in September is 77%.

How much does it rain in Byrdstown in September?

In Byrdstown, during September, the rain falls for 12.6 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When it does not snow in Byrdstown?

May through September are months without snowfall.

Does it snow in Byrdstown in September?

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

What is the average length of the day in September in Byrdstown?

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

What time are sunrise and sunset in September in Byrdstown?

On the first day of September, sunrise is at 6:12 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 6:24 pm CDT.

How long on average sun shines in September in Byrdstown?

In Byrdstown, the average sunshine duration in September is 8.2h.

How high is the UV index in September in Byrdstown?

In September, the average daily maximum UV index 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
Byrdstown, TN

Average temperature in September - Byrdstown, TN
  • Average high temperature in September: 79.7°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (42.3°F).

  • Average low temperature in September: 59.4°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

Average pressure in September
Byrdstown, TN

Average pressure in September - Byrdstown, TN
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in September
Byrdstown, TN

Average wind speed in September - Byrdstown, TN
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Byrdstown, TN

Average humidity in September - Byrdstown, TN
  • Average humidity in September: 77%

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June, August, October and November (76%).

Average rainfall in September
Byrdstown, TN

Average rainfall in September - Byrdstown, TN
  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is February (3.19").
The driest month (with the least rainfall) is November (1.65").

Average rainfall days in September
Byrdstown, TN

Average rainfall days in September - Byrdstown, TN
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (9.8 days).

Average snowfall in September
Byrdstown, TN

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

The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Byrdstown, TN

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

The month with the highest number of snowfall days is January (6.6 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
Byrdstown, TN

Average daylight in September / Average sunshine in September - Byrdstown, 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 1min

The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in September
Byrdstown, TN

Average sunshine days in September - Byrdstown, TN
  • Average sunshine days in September: 15 days

The month with the most sunshine days is November (18.5 days).
The months with the least sunshine days are May, June and July (11.3 days).

Average UV index in September
Byrdstown, TN

Average UV index in September - Byrdstown, 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
Byrdstown, TN

Average cloud cover in September - Byrdstown, TN
  • Average cloud cover in September: 34

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in September
Byrdstown, TN

Average visibility in September - Byrdstown, TN
  • Average visibility in September: 5mi

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

Byrdstown, Tennessee, USA

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