September weather forecast
Dyllis, TN

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Weather in September

The first month of the autumn, September, is still a warm month in Dyllis, Tennessee, with an average temperature varying between 80.2°F (26.8°C) and 59°F (15°C).

Temperature

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 85.8°F (29.9°C) to a still warm 80.2°F (26.8°C). Dyllis records an average low of 59°F (15°C) throughout the nights in September.

Humidity

In September, the average relative humidity is 77%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.97" (50mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Dyllis, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 7:10 am and sunset at 8:04 pm. On the last day of September, in Dyllis, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

Sunshine

In September, the average sunshine is 8.4h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Dyllis in September?

The high-temperature during September is 80.2°F (26.8°C) and the low-temperature is 59°F (15°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is estimated at 96.8°F (36°C).

What is the average humidity in September?

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

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.97" (50mm) of precipitation.

How much does it rain in September?

In September, the rain falls for 12.6 days. Throughout September, 1.97" (50mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

On the first day of September in Dyllis, sunrise is at 7:10 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.4h.

How high is the UV index in September?

The average daily maximum UV index in September 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
Dyllis, TN

Average temperature in September - Dyllis, TN
  • Average high temperature in September: 80.2°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 (44.1°F).

  • Average low temperature in September: 59°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average pressure in September
Dyllis, TN

Average pressure in September - Dyllis, 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
Dyllis, TN

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

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in September
Dyllis, TN

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

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

Average rainfall in September
Dyllis, TN

Average rainfall in September - Dyllis, TN
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in September
Dyllis, TN

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

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in September
Dyllis, TN

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

The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Dyllis, TN

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

The month with the highest number of snowfall days is January (4.8 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
Dyllis, TN

Average daylight in September / Average sunshine in September - Dyllis, 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: 8h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).

Average sunshine days in September
Dyllis, TN

Average sunshine days in September - Dyllis, TN
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (10.7 days).

Average UV index in September
Dyllis, TN

Average UV index in September - Dyllis, 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
Dyllis, TN

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

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in September
Dyllis, TN

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

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

Dyllis, Tennessee, USA

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