September weather forecast
Prestonsburg, KY

Weather in September

The first month of the autumn, September, is still a warm month in Prestonsburg, Kentucky, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 79.3°F (26.3°C).

Temperature

In Prestonsburg, Kentucky, the average high-temperature in September marginally drops from 85.6°F (29.8°C) in August to a still warm 79.3°F (26.3°C). In September, in Prestonsburg, the average low-temperature is 56.8°F (13.8°C).

Humidity

In September, the average relative humidity in Prestonsburg is 76%.

Rainfall

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

Snowfall

May through September are months without snowfall in Prestonsburg.

Daylight

In Prestonsburg, Kentucky, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 7:01 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:16 pm EDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

In Prestonsburg, Kentucky, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 average humidity in September in Prestonsburg?

In September, the average relative humidity in Prestonsburg, Kentucky, is 76%.

What is the driest month in Prestonsburg?

The month with the least rainfall in Prestonsburg, Kentucky, is September, when the rain falls for 13.5 days and typically collects 1.85" (47mm) of precipitation.

How many days does it rain in September in Prestonsburg?

In Prestonsburg, 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 Prestonsburg?

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

Does it snow in Prestonsburg in September?

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

How many hours of daylight does Prestonsburg have in September?

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

When are sunrise and sunset in September in Prestonsburg?

In September, on the first day of the month, sunrise is at 7:01 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:16 pm EDT.

How many hours of sunshine does Prestonsburg have in September?

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

What is the UV index reading in September in Prestonsburg?

In September, the average daily maximum UV index in Prestonsburg, Kentucky, is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Prestonsburg, KY

Average temperature in September - Prestonsburg, KY
  • Average high temperature in September: 79.3°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

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Average pressure in September
Prestonsburg, KY

Average pressure in September - Prestonsburg, 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 (29.98"Hg).

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Average wind speed in September
Prestonsburg, KY

Average wind speed in September - Prestonsburg, KY
  • Average wind speed in September: 4.3mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

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Average humidity in September
Prestonsburg, KY

Average humidity in September - Prestonsburg, KY
  • Average humidity in September: 76%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).

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Average rainfall in September
Prestonsburg, KY

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

The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in September
Prestonsburg, KY

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

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (11.4 days).

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Average snowfall in September
Prestonsburg, KY

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

The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Prestonsburg, KY

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

The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 44min).
The month with the shortest days is December (Average daylight: 9h and 37min).

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in September
Prestonsburg, KY

Average sunshine days in September - Prestonsburg, KY
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is February (8.3 days).

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Average UV index in September
Prestonsburg, KY

Average UV index in September - Prestonsburg, 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 and December (UV index 2).

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Average cloud cover in September
Prestonsburg, KY

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in September
Prestonsburg, KY

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

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

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