September weather forecast
Carntown, KY

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Weather in September

The first month of the autumn, September, is still a warm month in Carntown, Kentucky, with an average temperature varying between 77.9°F (25.5°C) and 58.1°F (14.5°C).

Temperature

The onset of September entails a subtle temperature shift, as the average high-temperature eases from 83.3°F (28.5°C) in August to a still moderately hot 77.9°F (25.5°C). An average low-temperature of 58.1°F (14.5°C) marks the nights throughout September.

Humidity

The months with the lowest humidity are August through October, with an average relative humidity of 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 1.85" (47mm) of precipitation.

Snowfall

In Carntown, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 7:06 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:20 pm EDT.

Sunshine

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

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 4 during September translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The average high-temperature and low-temperature during September are 77.9°F (25.5°C) and 58.1°F (14.5°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 89.6°F (32°C).

What are the least humid months?

August through October, with an average relative humidity of 75%, are the least humid months in Carntown.

What is the average humidity in September?

In Carntown, the average relative humidity in September is 75%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 1.85" (47mm) of precipitation.

How many days does it rain in September?

In Carntown, during September, the rain falls for 13.5 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When it does not snow in Carntown?

May through September are months without snowfall.

Does it snow in Carntown in September?

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

What is the average length of the day in September?

The average day length in September is 12h and 26min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:06 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:20 pm EDT.

How many hours of sunshine does Carntown have in September?

In Carntown, the average sunshine duration in September is 8.1h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Carntown, KY

Average temperature in September - Carntown, KY
  • Average high temperature in September: 77.9°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 (36.1°F).

  • Average low temperature in September: 58.1°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in September
Carntown, KY

Average pressure in September - Carntown, KY
  • Average pressure in September: 30.03"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Carntown, KY

Average wind speed in September - Carntown, KY
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in September
Carntown, KY

Average humidity in September - Carntown, KY
  • Average humidity in September: 75%

The months with the highest relative humidity are January, February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).

Average rainfall in September
Carntown, KY

Average rainfall in September - Carntown, KY
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in September
Carntown, KY

Average rainfall days in September - Carntown, KY
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is November (10 days).

Average snowfall in September
Carntown, KY

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

The month with the highest snowfall is January (2.68").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Carntown, KY

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

The month with the highest number of snowfall days is January (10.7 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
Carntown, KY

Average daylight in September / Average sunshine in September - Carntown, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in September
Carntown, KY

Average sunshine days in September - Carntown, KY
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (10.2 days).

Average UV index in September
Carntown, KY

Average UV index in September - Carntown, 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
Carntown, KY

Average cloud cover in September - Carntown, KY
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Carntown, KY

Average visibility in September - Carntown, KY
  • Average visibility in September: 6mi

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

Carntown, Kentucky, USA

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