September weather forecast
Carlisle, KY

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Weather in September

September, the first month of the autumn in Carlisle, is also a moderately hot month, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 58.6°F (14.8°C).

Temperature

The advent of September brings a slight shift in average high-temperature, moving from a moderately hot 84.4°F (29.1°C) in August to a still warm 78.1°F (25.6°C). During the month of September, an average low-temperature of 58.6°F (14.8°C) is recorded.

Humidity

August and September, with an average relative humidity of 75%, are the least humid months.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 2.01" (51mm) of precipitation.

Snowfall

May through September are months without snowfall in Carlisle.

Daylight

The average length of the day in September in Carlisle is 12h and 25min.
On the first day of September, sunrise is at 7:06 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:20 pm EDT.

Sunshine

In Carlisle, the average sunshine in September is 8.3h.

UV index

In Carlisle, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the UV index of 4 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Aug 17, 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 78.1°F (25.6°C) and 58.6°F (14.8°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 93.2°F (34°C).

What is the least humid month?

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

What is the average humidity in September?

In September, the average relative humidity is 75%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 2.01" (51mm) of precipitation.

How many days does it rain in September?

In Carlisle, in September, during 13.3 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Carlisle have in September?

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

What time are sunrise and sunset in September in Carlisle?

In September, on the first day of the month, sunrise is at 7:06 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:20 pm EDT.

How many hours of sunshine does Carlisle have in September?

In September, the average sunshine duration is 8.3h.

How high is the UV index in September?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe 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
Carlisle, KY

Average temperature in September - Carlisle, KY
  • Average high temperature in September: 78.1°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in September: 58.6°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in September
Carlisle, KY

Average pressure in September - Carlisle, 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 (29.96"Hg).

Average wind speed in September
Carlisle, KY

Average wind speed in September - Carlisle, KY
  • Average wind speed in September: 5.6mph

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 (5.2mph).

Average humidity in September
Carlisle, KY

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

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

Average rainfall in September
Carlisle, KY

Average rainfall in September - Carlisle, KY
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in September
Carlisle, KY

Average rainfall days in September - Carlisle, KY
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.2 days).

Average snowfall in September
Carlisle, KY

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

The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Carlisle, KY

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

The month with the highest number of snowfall days is January (10 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
Carlisle, KY

Average daylight in September / Average sunshine in September - Carlisle, 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 36min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Carlisle, KY

Average sunshine days in September - Carlisle, KY
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is February (10 days).

Average UV index in September
Carlisle, KY

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

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, November and December (UV index 2).

Average cloud cover in September
Carlisle, KY

Average cloud cover in September - Carlisle, KY
  • Average cloud cover in September: 33

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
Carlisle, KY

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

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

Carlisle, Kentucky, USA

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