September weather forecast
Poplar Flat, KY

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Weather in September

September, the first month of the autumn in Poplar Flat, is still a warm month, with an average temperature fluctuating between 57.2°F (14°C) and 77.7°F (25.4°C).

Temperature

Poplar Flat's transition into September involves a gentle shift in temperature, receding from 83.8°F (28.8°C) in August to a still moderately hot 77.7°F (25.4°C). In September, Poplar Flat records an average nighttime temperature of 57.2°F (14°C).

Humidity

The months with the lowest humidity are April, August through November, with an average relative humidity of 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 7.6 days and typically collects 0.35" (9mm) of precipitation.

Snowfall

In Poplar Flat, snow does not fall in May through September.

Daylight

In Poplar Flat, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 7:04 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:17 pm EDT.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In Poplar Flat, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the UV index of 4 transforms into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The high-temperature during September is 77.7°F (25.4°C) and the low-temperature is 57.2°F (14°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 91.4°F (33°C).

What are the least humid months?

April, August through November, with an average relative humidity of 76%, are the least humid months in Poplar Flat.

What is the average humidity in September?

In Poplar Flat, the average relative humidity in September is 76%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 7.6 days and typically collects 0.35" (9mm) of precipitation.

How many days does it rain in September?

In Poplar Flat, in September, it is raining for 7.6 days, with typically 0.35" (9mm) of accumulated precipitation.

When it does not snow?

In Poplar Flat, snow does not fall in May through September.

Does it snow in September?

In Poplar Flat, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

In September, the average day length in Poplar Flat is 12h and 25min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:04 am and sunset at 8:03 pm. On the last day of the month, in Poplar Flat, sunrise is at 7:29 am and sunset at 7:17 pm EDT.

How many hours of sunshine does Poplar Flat have in September?

In Poplar Flat, the average sunshine duration in September is 8.3h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Poplar Flat, KY

Average temperature in September - Poplar Flat, KY
  • Average high temperature in September: 77.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in September: 57.2°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in September
Poplar Flat, KY

Average pressure in September - Poplar Flat, KY
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Poplar Flat, KY

Average wind speed in September - Poplar Flat, KY
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in September
Poplar Flat, KY

Average humidity in September - Poplar Flat, KY
  • Average humidity in September: 76%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, August, September, October and November (76%).

Average rainfall in September
Poplar Flat, KY

Average rainfall in September - Poplar Flat, KY
  • Average rainfall in September: 0.35"

The wettest month (with the highest rainfall) is May (0.87").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in September
Poplar Flat, KY

Average rainfall days in September - Poplar Flat, KY
  • Average rainfall days in September: 7.6 days

The month with the highest number of rainy days is May (11.5 days).
The month with the least rainy days is November (6 days).

Average snowfall in September
Poplar Flat, KY

Average snowfall in September - Poplar Flat, KY
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (0.39").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Poplar Flat, KY

Average snowfall days in September - Poplar Flat, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.6 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
Poplar Flat, KY

Average daylight in September / Average sunshine in September - Poplar Flat, KY
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Poplar Flat, KY

Average sunshine days in September - Poplar Flat, KY
  • Average sunshine days in September: 19.7 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (15.1 days).

Average UV index in September
Poplar Flat, KY

Average UV index in September - Poplar Flat, KY
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Poplar Flat, KY

Average cloud cover in September - Poplar Flat, KY
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Poplar Flat, KY

Average visibility in September - Poplar Flat, KY
  • Average visibility in September: 5mi

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

Poplar Flat, Kentucky, USA

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