September weather forecast
Dockery, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Dockery, Tennessee, with an average temperature ranging between min 61°F (16.1°C) and max 81.9°F (27.7°C).

Temperature

In Dockery, the average high-temperature in September gently drops from a tropical 87.4°F (30.8°C) in August to a moderately hot 81.9°F (27.7°C). In Dockery, September nights witness a steady temperature drop to an enjoyable 61°F (16.1°C).

Heat index

September's mean heat index is appraised at a hot 87.8°F (31°C). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

The months with the lowest humidity are June through November, with an average relative humidity of 75%.

Rainfall

September is the month with the least rainfall in Dockery. Rain falls for 11.1 days and accumulates 1.3" (33mm) of precipitation.

Snowfall

In Dockery, snow does not fall in April through October.

Daylight

In Dockery, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 7:12 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:34 am and sunset at 7:24 pm EDT.

Sunshine

In Dockery, the average sunshine in September is 8.6h.

UV index

In Dockery, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

Dockery in September has an average high-temperature of 81.9°F (27.7°C) and an average low-temperature of 61°F (16.1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is appraised at 87.8°F (31°C).

What are the least humid months?

The months with the lowest humidity are June through November, with an average relative humidity of 75%.

What is the average humidity in September?

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 11.1 days and typically collects 1.3" (33mm) of precipitation.

How many days does it rain in September?

In Dockery, in September, it is raining for 11.1 days, with typically 1.3" (33mm) of accumulated precipitation.

When it does not snow in Dockery?

April through October are months without snowfall.

How many hours of daylight does Dockery have in September?

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

When is the sunrise / sunset in September in Dockery?

On the first day of September, sunrise is at 7:12 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:24 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.6h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe 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
Dockery, TN

Average temperature in September - Dockery, TN
  • Average high temperature in September: 81.9°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.4°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure in September
Dockery, TN

Average pressure in September - Dockery, 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 (29.98"Hg).

Average wind speed in September
Dockery, TN

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

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in September
Dockery, TN

Average humidity in September - Dockery, TN
  • Average humidity in September: 75%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).

Average rainfall in September
Dockery, TN

Average rainfall in September - Dockery, TN
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in September
Dockery, TN

Average rainfall days in September - Dockery, TN
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in September
Dockery, TN

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

The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Dockery, TN

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

The month with the highest number of snowfall days is February (1.7 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
Dockery, TN

Average daylight in September / Average sunshine in September - Dockery, 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in September
Dockery, TN

Average sunshine days in September - Dockery, TN
  • Average sunshine days in September: 16.4 days

The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in September
Dockery, TN

Average UV index in September - Dockery, 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
Dockery, TN

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

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in September
Dockery, TN

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

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

Dockery, Tennessee, USA

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