September weather forecast
Prestonville, KY

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Prestonville, Kentucky, with an average temperature fluctuating between 78.3°F (25.7°C) and 58.6°F (14.8°C).

Temperature

Prestonville's September weather features a light decline in high-temperatures, reducing from 84.6°F (29.2°C) in August to a still warm 78.3°F (25.7°C). Prestonville encounters a steady low-temperature average of 58.6°F (14.8°C) throughout the month of September.

Humidity

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

Rainfall

The month with the least rainfall is September, when the rain falls for 14.6 days and typically collects 2.13" (54mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 7:10 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:24 pm EDT.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In Prestonville, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

September temperatures vary between a high-temperature of 78.3°F (25.7°C) and a low-temperature of 58.6°F (14.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is computed to be 93.2°F (34°C).

What is the least humid month?

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

What is the average humidity in September?

The average relative humidity in September is 75%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 14.6 days and accumulates 2.13" (54mm) of precipitation.

How many days does it rain in September?

In Prestonville, in September, during 14.6 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

When it does not snow?

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

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 in Prestonville, sunrise is at 7:10 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:24 pm EDT.

How many hours of sunshine does Prestonville have in September?

The average sunshine duration in September is 8.3h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Prestonville, KY

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

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.2°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 (24.3°F).

Average pressure in September
Prestonville, KY

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Prestonville, KY

Average wind speed in September - Prestonville, KY
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity in September
Prestonville, KY

Average humidity in September - Prestonville, 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, September and October (75%).

Average rainfall in September
Prestonville, KY

Average rainfall in September - Prestonville, KY
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (2.13").

Average rainfall days in September
Prestonville, KY

Average rainfall days in September - Prestonville, KY
  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (10.4 days).

Average snowfall in September
Prestonville, KY

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

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Prestonville, KY

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

The month with the highest number of snowfall days is January (8.4 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
Prestonville, KY

Average daylight in September / Average sunshine in September - Prestonville, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in September
Prestonville, KY

Average sunshine days in September - Prestonville, KY
  • Average sunshine days in September: 13.1 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in September
Prestonville, KY

Average UV index in September - Prestonville, 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).

Average cloud cover in September
Prestonville, KY

Average cloud cover in September - Prestonville, 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 29).

Average visibility in September
Prestonville, KY

Average visibility in September - Prestonville, 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).

Prestonville, Kentucky, USA

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