September weather forecast
Frankfort, KY

The Capitol Building in Frankfort, Kentucky, during autumn
The Capitol Building in Frankfort, Kentucky, during autumn

Weather in September

September, the first month of the autumn in Frankfort, is also a moderately hot month, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 59.7°F (15.4°C).

Temperature

In September, the average high-temperature marginally drops from 84.7°F (29.3°C) in August to a still moderately hot 78.8°F (26°C). In September, the average low-temperature is 59.7°F (15.4°C).

Humidity

The average relative humidity in September is 75%.

Rainfall

September is the month with the least rainfall in Frankfort. Rain falls for 12 days and accumulates 1.54" (39mm) of precipitation.

Snowfall

May through September are months without snowfall in Frankfort, Kentucky.

Daylight

The average length of the day in September in Frankfort is 12h and 25min.
On the first day of the month, sunrise is at 7:09 am and sunset at 8:09 pm. On the last day of September, in Frankfort, sunrise is at 7:34 am and sunset at 7:24 pm EDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September in Frankfort is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Frankfort?

The average high-temperature, in September, in Frankfort, Kentucky, is 78.8°F (26°C), while the average low-temperature is 59.7°F (15.4°C). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in August is calculated to be 93.2°F (34°C).

What is the average humidity in September in Frankfort?

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

What is the driest month in Frankfort?

September is the month with the least rainfall in Frankfort, Kentucky. Rain falls for 12 days and accumulates 1.54" (39mm) of precipitation.

How many days does it rain in September in Frankfort?

In Frankfort, in September, it is raining for 12 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow in Frankfort?

May through September are months without snowfall.

Does it snow in Frankfort in September?

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

What is the average length of the day in September in Frankfort?

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

When is the sunrise / sunset in September in Frankfort?

On the first day of September in Frankfort, Kentucky, sunrise is at 7:09 am and sunset at 8:09 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 in Frankfort?

In Frankfort, Kentucky, the average sunshine duration in September is 8.3h.

What is the UV index intensity in September in Frankfort?

In September, the average daily maximum UV index in Frankfort is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Frankfort, KY

Average temperature in September - Frankfort, KY
  • Average high temperature in September: 78.8°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in September: 59.7°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in September
Frankfort, KY

Average pressure in September - Frankfort, KY
  • Average pressure in September: 30.03"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).

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Average wind speed in September
Frankfort, KY

Average wind speed in September - Frankfort, 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).

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Average humidity in September
Frankfort, KY

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

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).

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Average rainfall in September
Frankfort, KY

Average rainfall in September - Frankfort, KY
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in September
Frankfort, KY

Average rainfall days in September - Frankfort, KY
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (9.1 days).

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Average snowfall in September
Frankfort, KY

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

The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Frankfort, KY

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

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Frankfort, KY
  • Average daylight in September: 12h and 25min

The month with the longest days is June (Average daylight: 14h and 47min).
The month with the shortest days is December (Average daylight: 9h and 34min).

  • Average sunshine in September: 8h and 18min

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

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Average sunshine days in September
Frankfort, KY

Average sunshine days in September - Frankfort, KY
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in September
Frankfort, KY

Average UV index in September - Frankfort, KY
  • Average UV index in September: 5

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).

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Average cloud cover in September
Frankfort, KY

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in September
Frankfort, KY

Average visibility in September - Frankfort, 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).

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