September weather forecast
Dyersburg, TN

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Weather in September

September in Dyersburg marks the onset of the fall season. Temperatures begin to fall gradually from the peak summer highs. The rainfall significantly reduces, with an average of 0.59" (15mm). As the city welcomes autumn, the trees begin their annual transformation, painting the city in various shades of fall. The winds blowing across Dyersburg maintain a moderate speed, adding a pleasant coolness to the crisp air.

Temperature

The advent of September brings an average high-temperature of a warm 82°F (27.8°C), almost identical to the preceding month. During September, Dyersburg's temperature falls to a steady low-temperature average of 63.5°F (17.5°C).

Heat index

For most parts of September, the heat index is appraised at a hot 87.8°F (31°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

The average relative humidity in September is 73%.

Rainfall

September is the month with the least rainfall. Rain falls for 9.5 days and accumulates 0.59" (15mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:29 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:42 pm CDT.

Sunshine

In Dyersburg, the average sunshine in September is 9.4h.

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 rays for average individuals.
Note: In September, a regular UV index of 5 translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Dyersburg in September?

September temperatures vary between a high-temperature of 82°F (27.8°C) and a low-temperature of 63.5°F (17.5°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in September is appraised at 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 73%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 9.5 days and accumulates 0.59" (15mm) of precipitation.

How much does it rain in September?

In September, the rain falls for 9.5 days. Throughout September, 0.59" (15mm) of precipitation is accumulated.

When it does not snow?

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

How many hours of daylight does Dyersburg have in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:29 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:42 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9.4h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents 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
Dyersburg, TN

Average temperature in September - Dyersburg, TN
  • Average high temperature in September: 82°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.6°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).

Average pressure in September
Dyersburg, TN

Average pressure in September - Dyersburg, TN
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Dyersburg, TN

Average wind speed in September - Dyersburg, TN
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in September
Dyersburg, TN

Average humidity in September - Dyersburg, TN
  • Average humidity in September: 73%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September
Dyersburg, TN

Average rainfall in September - Dyersburg, TN
  • Average rainfall in September: 0.59"

The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.59").

Average rainfall days in September
Dyersburg, TN

Average rainfall days in September - Dyersburg, TN
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (7 days).

Average snowfall in September
Dyersburg, TN

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

The month with the highest snowfall is March (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Dyersburg, TN

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

The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Dyersburg, 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 48min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Dyersburg, TN

Average sunshine days in September - Dyersburg, TN
  • Average sunshine days in September: 19.2 days

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is July (14.5 days).

Average UV index in September
Dyersburg, TN

Average UV index in September - Dyersburg, TN
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
Dyersburg, TN

Average cloud cover in September - Dyersburg, TN
  • Average cloud cover in September: 28

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 25).

Average visibility in September
Dyersburg, TN

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

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

Dyersburg, Tennessee, USA

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