September weather forecast and climate
Bethanna, KY

The first month of the autumn, September, is also a moderately hot month in Bethanna, Kentucky, with average temperature fluctuating between 79.5°F (26.4°C) and 57.7°F (14.3°C).

Temperature

In September, the average high-temperature slightly decreases, from a moderately hot 85.6°F (29.8°C) in August, to a still warm 79.5°F (26.4°C). The average low-temperature, in Bethanna, is 57.7°F (14.3°C).

Humidity

The average relative humidity in September is 76%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 2.01" (51mm) of precipitation.

Snowfall

May through September are months without snowfall in Bethanna.

Daylight

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

Sunshine

In Bethanna, Kentucky, the average sunshine is 8.3h.

UV index

In Bethanna, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. 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 Bethanna?

The average high-temperature, in September, is 79.5°F (26.4°C), while the average low-temperature is 57.7°F (14.3°C).

What is the average humidity in September in Bethanna?

In Bethanna, the average relative humidity in September is 76%.

How many days does it rain in September in Bethanna?

In Bethanna, in September, during 13.4 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

What is the driest month in Bethanna?

September is the month with the least rainfall in Bethanna, Kentucky. Rain falls for 13.4 days and accumulates 2.01" (51mm) of precipitation.

Does it snow in Bethanna in September?

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

When it does not snow in Bethanna?

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

How many hours of daylight does Bethanna have in September?

The average length of the day in September in Bethanna is 12.4h.

How many hours of sunshine does Bethanna have in September?

The average sunshine in September in Bethanna is 8.3h.

What is the UV index intensity in September in Bethanna?

In Bethanna, Kentucky, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.
Average temperature in September - Bethanna, KY
  • Average high temperature in September: 79.5°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 (40.1°F).

  • Average low temperature in September: 57.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in September - Bethanna, 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 - Bethanna, KY
  • Average wind speed in September: 4.6mph

The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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

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

Average rainfall in September - Bethanna, KY
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in September - Bethanna, KY
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (11.6 days).

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

The month with the highest snowfall is February (4.25").
Months with the least snowfall are May, June, July, August and September (0").

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

The month with the highest number of snowfall days is January (11.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Bethanna, 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: 10.2h).
The month with the least sunshine is January (Average sunshine: 4h).

Average sunshine days in September - Bethanna, KY
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is February (9.3 days).

Average UV index in September - Bethanna, KY
  • Average UV index in September: 4

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 - Bethanna, KY
  • Average cloud cover in September: 34

Months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September - Bethanna, KY
  • Average visibility in September: 5mi

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