September weather forecast
Barbourville, KY

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Weather in September

The first month of the autumn, September, is still a warm month in Barbourville, Kentucky, with an average temperature varying between 78.8°F (26°C) and 57.4°F (14.1°C).

Temperature

During the shift to September, Barbourville records a mild decrease in average high-temperature, moving from a warm 84.7°F (29.3°C) in August to a still moderately hot 78.8°F (26°C). The month of September records an average low-temperature of 57.4°F (14.1°C).

Humidity

The average relative humidity in September is 77%.

Rainfall

The month with the least rainfall is September, when the rain falls for 14.1 days and typically collects 2.2" (56mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Barbourville, the average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 7:07 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:19 pm EDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September in Barbourville is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index, 5 during September, leads to the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The high-temperature, in September, in Barbourville, records 78.8°F (26°C), while the low-temperature is 57.4°F (14.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is evaluated at 95°F (35°C).

What is the average humidity in September?

In Barbourville, the average relative humidity in September is 77%.

What is the driest month in Barbourville?

The month with the least rainfall is September, when the rain falls for 14.1 days and typically collects 2.2" (56mm) of precipitation.

How much does it rain in September?

In Barbourville, in September, during 14.1 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

The average day length in September is 12h and 24min.

When are sunrise and sunset in September in Barbourville?

On the first day of September, sunrise is at 7:07 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:19 pm EDT.

How many hours of sunshine does Barbourville have in September?

The average sunshine duration in September is 8.3h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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
Barbourville, KY

Average temperature in September - Barbourville, KY
  • Average high temperature in September: 78.8°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 (41.4°F).

  • Average low temperature in September: 57.4°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in September
Barbourville, KY

Average pressure in September - Barbourville, KY
  • Average pressure in September: 30.04"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).

Average wind speed in September
Barbourville, KY

Average wind speed in September - Barbourville, KY
  • Average wind speed in September: 4.2mph

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

Average humidity in September
Barbourville, KY

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

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are August and November (76%).

Average rainfall in September
Barbourville, KY

Average rainfall in September - Barbourville, KY
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is February (4.53").
The driest month (with the least rainfall) is September (2.2").

Average rainfall days in September
Barbourville, KY

Average rainfall days in September - Barbourville, KY
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (11.4 days).

Average snowfall in September
Barbourville, KY

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

The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Barbourville, KY

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

The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Barbourville, KY
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 8h and 2min

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 12min).

Average sunshine days in September
Barbourville, KY

Average sunshine days in September - Barbourville, KY
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in September
Barbourville, KY

Average UV index in September - Barbourville, 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).

Average cloud cover in September
Barbourville, KY

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

The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Barbourville, KY

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

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

Barbourville, Kentucky, USA

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