September weather forecast
Lawnville, TN

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Weather in September

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

Temperature

Lawnville records a mild change in average high-temperature during September, easing from 85.8°F (29.9°C) in August to a still moderately hot 80.2°F (26.8°C). During September, Lawnville sees a mean low-temperature of 59°F (15°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

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

Snowfall

May through October are months without snowfall in Lawnville.

Daylight

In Lawnville, 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, sunrise is at 7:32 am and sunset at 7:22 pm EDT.

Sunshine

In Lawnville, the average sunshine in September is 8.4h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Lawnville?

In Lawnville, in September, the average high-temperature is 80.2°F (26.8°C), and the average low-temperature is 59°F (15°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 96.8°F (36°C).

What is the average humidity in September in Lawnville?

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

What is the driest month in Lawnville?

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

How many days does it rain in September in Lawnville?

In Lawnville, Tennessee, during September, the rain falls for 12.6 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When it does not snow in Lawnville?

In Lawnville, Tennessee, snow does not fall in May through October.

How many hours of daylight does Lawnville have in September?

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

What time are sunrise and sunset in September in Lawnville?

On the first day of September in Lawnville, 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 Lawnville?

In Lawnville, Tennessee, the average sunshine duration in September is 8.4h.

What is the UV index reading in September in Lawnville?

In Lawnville, Tennessee, the average daily maximum UV index in September is 5. A UV Index value 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
Lawnville, TN

Average temperature in September - Lawnville, 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
Lawnville, TN

Average pressure in September - Lawnville, 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
Lawnville, TN

Average wind speed in September - Lawnville, 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
Lawnville, TN

Average humidity in September - Lawnville, 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
Lawnville, TN

Average rainfall in September - Lawnville, 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
Lawnville, TN

Average rainfall days in September - Lawnville, 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
Lawnville, TN

Average snowfall in September - Lawnville, 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
Lawnville, TN

Average snowfall days in September - Lawnville, 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
Lawnville, TN

Average daylight in September / Average sunshine in September - Lawnville, 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
Lawnville, TN

Average sunshine days in September - Lawnville, 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
Lawnville, TN

Average UV index in September - Lawnville, 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
Lawnville, TN

Average cloud cover in September - Lawnville, 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
Lawnville, TN

Average visibility in September - Lawnville, 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).

Lawnville, Tennessee, USA

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