September weather forecast and climate
Barbourville, KY

The first month of the autumn, September, is also a moderately hot month in Barbourville, Kentucky, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 78.8°F (26°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). The average low-temperature, in Barbourville, Kentucky, is 57.4°F (14.1°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

The month with the least rainfall in Barbourville, Kentucky, 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 in Barbourville.

Daylight

In September, the average length of the day in Barbourville is 12.4h.

Sunshine

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

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Barbourville?

The average high-temperature, in September, is 78.8°F (26°C), while the average low-temperature is 57.4°F (14.1°C).

What is the average humidity in September in Barbourville?

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

How much does it rain in Barbourville in September?

In Barbourville, Kentucky, in September, it is raining for 14.1 days, with typically 2.2" (56mm) of accumulated precipitation.

What is the driest month in Barbourville?

September is the month with the least rainfall. Rain falls for 14.1 days and accumulates 2.2" (56mm) of precipitation.

Does it snow in Barbourville in September?

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

When it does not snow in Barbourville?

May through September are months without snowfall.

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

In September, the average length of the day in Barbourville is 12.4h.

How long on average sun shines in September in Barbourville?

In September, the average sunshine in Barbourville is 8.3h.

What is the UV index reading in September in Barbourville?

In September, the average daily maximum UV index in Barbourville is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.
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: 30.04"

Months with the highest atmospheric pressure are January and November (30.16").
The month with the lowest atmospheric pressure is June (29.98").

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: 77%

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

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: 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: 0"

The month with the highest snowfall is February (4.8").
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: 0 days

The month with the highest number of snowfall days is January (9.5 days).
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: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 8.3h

The month with the most sunshine is June (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 4.2h).

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: 5

Months with the highest UV index are May, June, July and August (UV index 6).
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: 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: 5mi

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