September weather forecast and climate
Allen City, KY

The first month of the autumn, September, is still a warm month in Allen City, Kentucky, with average temperature ranging between min 56.8°F (13.8°C) and max 79.3°F (26.3°C).

Temperature

In September, the average high-temperature marginally drops, from a warm 85.6°F (29.8°C) in August, to a still moderately hot 79.3°F (26.3°C). In September, the average low-temperature is 56.8°F (13.8°C).

Humidity

In Allen City, the average relative humidity is 76%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 1.85" (47mm) of precipitation.

Snowfall

In Allen City, Kentucky, snow does not fall in May through September.

Daylight

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

Sunshine

In Allen City, the average sunshine is 8.3h.

UV index

In September, the average daily maximum UV index in Allen City is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Allen City?

The average high-temperature, in September, in Allen City, is 79.3°F (26.3°C), while the average low-temperature is 56.8°F (13.8°C).

What is the average humidity in September in Allen City?

In Allen City, Kentucky, the average relative humidity in September is 76%.

How much does it rain in Allen City in September?

In Allen City, during September, the rain falls for 13.5 days and regularly aggregates up to 1.85" (47mm) of precipitation.

What is the driest month in Allen City?

September is the month with the least rainfall in Allen City. Rain falls for 13.5 days and accumulates 1.85" (47mm) of precipitation.

Does it snow in Allen City in September?

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

When it does not snow in Allen City?

In Allen City, Kentucky, snow does not fall in May through September.

What is the average length of the day in September in Allen City?

In Allen City, Kentucky, the average length of the day in September is 12.4h.

How many hours of sunshine does Allen City have in September?

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

How high is the UV index in September in Allen City?

In Allen City, Kentucky, the average daily maximum UV index in September is 5. 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 - Allen City, KY
  • Average high temperature in September: 79.3°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in September - Allen City, KY
  • Average pressure in September: 30.05"

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 - Allen City, KY
  • Average wind speed in September: 4.3mph

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

Average humidity in September - Allen City, KY
  • Average humidity in September: 76%

The month with the highest relative humidity is February (80%).
Months with the lowest relative humidity are August and November (74%).

Average rainfall in September - Allen City, KY
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in September - Allen City, KY
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (11.4 days).

Average snowfall in September - Allen City, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.62").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September - Allen City, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Allen City, 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: 9.6h).

  • Average sunshine in September: 8.3h

The month with the most sunshine is August (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.2h).

Average sunshine days in September - Allen City, KY
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is February (8.3 days).

Average UV index in September - Allen City, 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 - Allen City, KY
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September - Allen City, KY
  • Average visibility in September: 5mi

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