September weather forecast and climate
Aspen Grove, KY

The first month of the autumn, September, is still a warm month in Aspen Grove, Kentucky, with average temperature fluctuating between 58.8°F (14.9°C) and 77.9°F (25.5°C).

Temperature

In September, the average high-temperature marginally drops, from a moderately hot 84.2°F (29°C) in August, to a still warm 77.9°F (25.5°C). In Aspen Grove, in September, the average low-temperature is 58.8°F (14.9°C).

Humidity

August and September, with an average relative humidity of 74%, are the least humid months in Aspen Grove.

Rainfall

September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 1.5" (38mm) of precipitation.

Snowfall

May through September are months without snowfall in Aspen Grove.

Daylight

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

Sunshine

The average sunshine in September is 8.2h.

UV index

In Aspen Grove, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. 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 Aspen Grove?

The average high-temperature, in September, is 77.9°F (25.5°C), while the average low-temperature is 58.8°F (14.9°C).

What is the least humid month in Aspen Grove?

August and September, with an average relative humidity of 74%, are the least humid months in Aspen Grove.

What is the average humidity in September in Aspen Grove?

In September, the average relative humidity in Aspen Grove, Kentucky, is 74%.

How much does it rain in Aspen Grove in September?

In Aspen Grove, Kentucky, in September, it is raining for 13.4 days, with typically 1.5" (38mm) of accumulated precipitation.

What is the driest month in Aspen Grove?

The month with the least rainfall in Aspen Grove, Kentucky, is September when the rain falls for 13.4 days and typically collects 1.5" (38mm) of precipitation.

Does it snow in Aspen Grove in September?

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

When it does not snow in Aspen Grove?

May through September are months without snowfall in Aspen Grove.

How many hours of daylight does Aspen Grove have in September?

In Aspen Grove, Kentucky, the average length of the day in September is 12.4h.

How long on average sun shines in September in Aspen Grove?

In September, the average sunshine is 8.2h.

How high is the UV index in September in Aspen Grove?

The average daily maximum UV index in September in Aspen Grove is 4. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.
Average temperature in September - Aspen Grove, KY
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in September: 58.8°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 (24.1°F).

Average pressure in September - Aspen Grove, KY
  • Average pressure in September: 30.03"

Months with the highest atmospheric pressure are January and November (30.14").
The month with the lowest atmospheric pressure is June (29.94").

Average wind speed in September - Aspen Grove, KY
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in September - Aspen Grove, KY
  • Average humidity in September: 74%

Months with the highest relative humidity are February and December (81%).
Months with the lowest relative humidity are August and September (74%).

Average rainfall in September - Aspen Grove, KY
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in September - Aspen Grove, KY
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in September - Aspen Grove, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.24").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September - Aspen Grove, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.8 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Aspen Grove, KY
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 8.2h

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 3.9h).

Average sunshine days in September - Aspen Grove, KY
  • Average sunshine days in September: 14.9 days

Months with the most sunshine days are October and November (18.1 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in September - Aspen Grove, KY
  • Average UV index in September: 4

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September - Aspen Grove, KY
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September - Aspen Grove, KY
  • Average visibility in September: 6mi

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