September weather forecast
Polly, KY

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Polly, Kentucky, with temperature in the range of an average high of 77.2°F (25.1°C) and an average low of 55.6°F (13.1°C).

Temperature

Polly records a mild change in average high-temperature during September, easing from a moderately hot 82.8°F (28.2°C) in August to a still warm 77.2°F (25.1°C). In September, Polly experiences a significant drop from daily zeniths to an average nighttime temperature of 55.6°F (13.1°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 16.3 days and typically collects 2.48" (63mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of the month, sunrise is at 7:02 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:15 pm EDT.

Sunshine

In Polly, the average sunshine in September is 8.1h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: During September, 4 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Polly in September?

In Polly, in September, the average high-temperature is 77.2°F (25.1°C), and the average low-temperature is 55.6°F (13.1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is computed to be 89.6°F (32°C).

What is the average humidity in September?

In September, the average relative humidity is 78%.

What is the driest month in Polly?

The month with the least rainfall is September, when the rain falls for 16.3 days and typically collects 2.48" (63mm) of precipitation.

How much does it rain in September?

In September, the rain falls for 16.3 days. Throughout September, 2.48" (63mm) of precipitation is accumulated.

When it does not snow in Polly?

In Polly, snow does not fall in June through September.

Does it snow in September?

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

How many hours of daylight does Polly have in September?

The average day length in September is 12h and 25min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:02 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:15 pm EDT.

How many hours of sunshine does Polly have in September?

In September, the average sunshine duration is 8.1h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Polly, KY

Average temperature in September - Polly, KY
  • Average high temperature in September: 77.2°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in September: 55.6°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in September
Polly, KY

Average pressure in September - Polly, KY
  • Average pressure in September: 30.05"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in September
Polly, KY

Average wind speed in September - Polly, KY
  • Average wind speed in September: 4.2mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in September
Polly, KY

Average humidity in September - Polly, KY
  • Average humidity in September: 78%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).

Average rainfall in September
Polly, KY

Average rainfall in September - Polly, KY
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.48").

Average rainfall days in September
Polly, KY

Average rainfall days in September - Polly, KY
  • Average rainfall days in September: 16.3 days

The months with the highest number of rainy days are May and July (20.8 days).
The month with the least rainy days is February (12.6 days).

Average snowfall in September
Polly, KY

Average snowfall in September - Polly, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Polly, KY

Average snowfall days in September - Polly, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Polly, KY

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in September
Polly, KY

Average sunshine days in September - Polly, KY
  • Average sunshine days in September: 12.2 days

The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is May (8 days).

Average UV index in September
Polly, KY

Average UV index in September - Polly, KY
  • Average UV index in September: 4

The months with the highest UV index are May, June 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
Polly, KY

Average cloud cover in September - Polly, KY
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Polly, KY

Average visibility in September - Polly, KY
  • Average visibility in September: 5mi

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

Polly, Kentucky, USA

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