September weather forecast
Liberty, KY

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Liberty, Kentucky, with temperature in the range of an average low of 59°F (15°C) and an average high of 78.3°F (25.7°C).

Temperature

The beginning of September brings a minor change in the average high-temperature, shifting from 84.6°F (29.2°C) in August to a still moderately hot 78.3°F (25.7°C). Throughout September nights, Liberty experiences a consistent temperature average of 59°F (15°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.9 days and typically collects 2.4" (61mm) of precipitation.

Snowfall

In Liberty, snow does not fall in May through October.

Daylight

In Liberty, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 7:10 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:24 pm EDT.

Sunshine

In September, the average sunshine is 8.1h.

UV index

In Liberty, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: During September, 5 as the daily maximum UV index converts into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

What is the temperature in September in Liberty?

In Liberty, 78.3°F (25.7°C) is the average high-temperature and 59°F (15°C) is the average low-temperature during September. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in August is estimated at 93.2°F (34°C).

What is the average humidity in September?

The average relative humidity in September is 77%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 13.9 days and accumulates 2.4" (61mm) of precipitation.

How much does it rain in September?

In Liberty, in September, during 13.9 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 7:10 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:24 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.1h.

How high is the UV index in September?

In Liberty, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Liberty, KY

Average temperature in September - Liberty, KY
  • Average high temperature in September: 78.3°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in September: 59°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 (26.6°F).

Average pressure in September
Liberty, KY

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Liberty, KY

Average wind speed in September - Liberty, KY
  • Average wind speed in September: 5.3mph

The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in September
Liberty, KY

Average humidity in September - Liberty, KY
  • Average humidity in September: 77%

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and October (76%).

Average rainfall in September
Liberty, KY

Average rainfall in September - Liberty, KY
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is February (3.5").
The driest month (with the least rainfall) is September (2.4").

Average rainfall days in September
Liberty, KY

Average rainfall days in September - Liberty, KY
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is July (18.7 days).
The months with the least rainy days are January and November (9.7 days).

Average snowfall in September
Liberty, KY

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

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Liberty, KY

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

The month with the highest number of snowfall days is January (7.1 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
Liberty, KY

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

  • Average sunshine in September: 8h and 1min

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

Average sunshine days in September
Liberty, KY

Average sunshine days in September - Liberty, KY
  • Average sunshine days in September: 14.5 days

The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is February (10.9 days).

Average UV index in September
Liberty, KY

Average UV index in September - Liberty, KY
  • 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, November and December (UV index 2).

Average cloud cover in September
Liberty, KY

Average cloud cover in September - Liberty, KY
  • Average cloud cover in September: 35

The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Liberty, KY

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

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

Liberty, Kentucky, USA

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