September weather forecast and climate
Banner, KY

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

Temperature

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

Humidity

In Banner, 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

May through September are months without snowfall in Banner.

Daylight

In Banner, Kentucky, the average length of the day is 12.4h.

Sunshine

The average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Banner?

In September, the average high-temperature is 79.3°F (26.3°C), and the average low-temperature is 56.8°F (13.8°C).

What is the average humidity in September in Banner?

The average relative humidity in September in Banner, Kentucky, is 76%.

How many days does it rain in September in Banner?

In September, in Banner, the rain falls for 13.5 days. Throughout September, 1.85" (47mm) of precipitation is accumulated.

What is the driest month in Banner?

The month with the least rainfall is September when the rain falls for 13.5 days and typically collects 1.85" (47mm) of precipitation.

Does it snow in Banner in September?

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

When it does not snow in Banner?

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

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

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

How many hours of sunshine does Banner have in September?

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

What is the UV index intensity in September in Banner?

The average daily maximum UV index in September in Banner, Kentucky, is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.
Average temperature in September - Banner, 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 - Banner, 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 - Banner, 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 - Banner, 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 - Banner, 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 - Banner, 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 - Banner, 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 - Banner, 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 - Banner, 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 - Banner, 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 - Banner, 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 - Banner, 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 - Banner, 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).