September weather forecast
Coletown, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Coletown, Tennessee, with an average temperature fluctuating between 59.5°F (15.3°C) and 79.3°F (26.3°C).

Temperature

Coletown greets September with an average high-temperature of a still moderately hot 79.3°F (26.3°C), marking a slight deviation from the preceding month. Coletown's average low-temperature during September nights is observed to be a refreshing 59.5°F (15.3°C).

Humidity

In Coletown, the average relative humidity in September is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 14.9 days and typically collects 2.91" (74mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September in Coletown is 12h and 23min.
On the first day of the month, sunrise is at 7:10 am and sunset at 8:03 pm. On the last day of September, in Coletown, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What is the usual temperature for Coletown in September?

The average high-temperature and low-temperature during September are 79.3°F (26.3°C) and 59.5°F (15.3°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is computed to be 95°F (35°C).

What is the average humidity in September in Coletown?

In September, the average relative humidity in Coletown, Tennessee, is 78%.

What is the driest month in Coletown?

September is the month with the least rainfall. Rain falls for 14.9 days and accumulates 2.91" (74mm) of precipitation.

How much does it rain in Coletown in September?

In Coletown, in September, during 14.9 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

When it does not snow in Coletown?

May through September are months without snowfall in Coletown.

Does it snow in Coletown in September?

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

How many hours of daylight does Coletown have in September?

In September, the average day length is 12h and 23min.

When are sunrise and sunset in September in Coletown?

In September, on the first day of the month, sunrise is at 7:10 am and sunset at 8:03 pm. On the last day of the month, in Coletown, Tennessee, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

How long on average sun shines in September in Coletown?

In Coletown, the average sunshine duration in September is 8.5h.

How high is the UV index in September in Coletown?

The average daily maximum UV index in September in Coletown is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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
Coletown, TN

Average temperature in September - Coletown, TN
  • Average high temperature in September: 79.3°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

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Average pressure in September
Coletown, TN

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

The months with the highest atmospheric pressure are January and 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
Coletown, TN

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

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

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Average humidity in September
Coletown, TN

Average humidity in September - Coletown, TN
  • Average humidity in September: 78%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are October and November (76%).

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Average rainfall in September
Coletown, TN

Average rainfall in September - Coletown, TN
  • Average rainfall in September: 2.91"

The wettest month (with the highest rainfall) is December (4.8").
The driest month (with the least rainfall) is September (2.91").

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Average rainfall days in September
Coletown, TN

Average rainfall days in September - Coletown, TN
  • Average rainfall days in September: 14.9 days

The months with the highest number of rainy days are June and July (19.8 days).
The month with the least rainy days is November (11.3 days).

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Average snowfall in September
Coletown, TN

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

The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Coletown, TN

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

The month with the highest number of snowfall days is January (4.5 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
Coletown, TN

Average daylight in September / Average sunshine in September - Coletown, 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 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in September
Coletown, TN

Average sunshine days in September - Coletown, TN
  • Average sunshine days in September: 13.2 days

The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is June (8 days).

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Average UV index in September
Coletown, TN

Average UV index in September - Coletown, 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
Coletown, TN

Average cloud cover in September - Coletown, TN
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 32).

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Average visibility in September
Coletown, TN

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

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

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Coletown, Tennessee, USA

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