September weather forecast
Corbin, KY

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High rock cliffs and dense tree cover around the scenic waterfall in Cumberland Falls State Park in Corbin, Kentucky
High rock cliffs and dense tree cover around the scenic waterfall in Cumberland Falls State Park in Corbin, Kentucky

Weather in September

As September rolls around, Corbin starts to see a break from the summer heat. Despite the decrease in temperature, the amount of sunshine increases, with the sunlight hours extending up to 8.2 hours a day. A reduction in rainfall and the uptick in daylight make this month pleasant for outdoor activity. The transition to autumn is felt more strongly due to the drop in temperature. Although the skies are sunnier, they don't forget to bring with them shorter daylight hours as the year moves towards its end.

Temperature

With the commencement of September, Corbin records a moderate temperature decline, with the average high easing from August's 85.5°F (29.7°C) to a still warm 79.2°F (26.2°C). Corbin encounters a steady low-temperature average of 57.9°F (14.4°C) throughout the month of September.

Humidity

June, August through November, with an average relative humidity of 76%, are the least humid months.

Rainfall

The month with the least rainfall is September, when the rain falls for 13 days and typically collects 2.13" (54mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Corbin, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 7:07 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:20 pm EDT.

Sunshine

The average sunshine in September is 8.2h.

UV index

In Corbin, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 5 during September, leads to the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

September temperatures vary between a high-temperature of 79.2°F (26.2°C) and a low-temperature of 57.9°F (14.4°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 96.8°F (36°C).

What is the least humid month?

June, August through November, with an average relative humidity of 76%, are the least humid months.

What is the average humidity in September?

In September, the average relative humidity is 76%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13 days and typically collects 2.13" (54mm) of precipitation.

How many days does it rain in September?

In Corbin, during September, the rain falls for 13 days and regularly aggregates up to 2.13" (54mm) of precipitation.

When it does not snow in Corbin?

May through September are months without snowfall in Corbin.

Does it snow in September?

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

How many hours of daylight does Corbin have in September?

The average day length in September is 12h and 25min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:07 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:20 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.2h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from 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
Corbin, KY

Average temperature in September - Corbin, KY
  • Average high temperature in September: 79.2°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41.7°F).

  • Average low temperature in September: 57.9°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in September
Corbin, KY

Average pressure in September - Corbin, 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 (29.97"Hg).

Average wind speed in September
Corbin, KY

Average wind speed in September - Corbin, KY
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Corbin, KY

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

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June, August, September, October and November (76%).

Average rainfall in September
Corbin, KY

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

The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is September (2.13").

Average rainfall days in September
Corbin, KY

Average rainfall days in September - Corbin, KY
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (11.2 days).

Average snowfall in September
Corbin, KY

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

The month with the highest snowfall is February (4.21").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Corbin, KY

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

The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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

  • Average sunshine in September: 8h and 1min

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

Average sunshine days in September
Corbin, KY

Average sunshine days in September - Corbin, KY
  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is February (9.2 days).

Average UV index in September
Corbin, KY

Average UV index in September - Corbin, 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
Corbin, KY

Average cloud cover in September - Corbin, 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
Corbin, KY

Average visibility in September - Corbin, 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).

Corbin, Kentucky, USA

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