September weather forecast
Bethany, KY

Share

Weather in September

The first month of the autumn, September, is still a warm month in Bethany, Kentucky, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 79.5°F (26.4°C).

Temperature

Transition into September subtly marks a drop in the average high-temperature, moderately moving from a warm 85.6°F (29.8°C) in August to a still moderately hot 79.5°F (26.4°C). Despite a significant disparity with daytime temperatures, an average low-temperature of 57.4°F (14.1°C) is recorded during September.

Humidity

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

Rainfall

September is the month with the least rainfall in Bethany. Rain falls for 13.1 days and accumulates 1.93" (49mm) of precipitation.

Snowfall

In Bethany, snow does not fall in May through September.

Daylight

The average length of the day in September in Bethany is 12h and 25min.
On the first day of September, sunrise is at 7:04 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:18 pm EDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 4 during September translates into the following guidance:
Put precautions into practice - Protective measures against sun-induced damage are advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Bethany?

In September, the average high-temperature and low-temperature in Bethany are 79.5°F (26.4°C) and 57.4°F (14.1°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in August is evaluated at 96.8°F (36°C).

What is the average humidity in September in Bethany?

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

What is the driest month in Bethany?

The month with the least rainfall is September, when the rain falls for 13.1 days and typically collects 1.93" (49mm) of precipitation.

How much does it rain in Bethany in September?

In September, in Bethany, Kentucky, the rain falls for 13.1 days. Throughout September, 1.93" (49mm) of precipitation is accumulated.

When it does not snow in Bethany?

May through September are months without snowfall in Bethany.

Does it snow in Bethany in September?

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

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

In Bethany, the average day length in September is 12h and 25min.

When is the sunrise / sunset in September in Bethany?

In September, on the first day of the month, sunrise is at 7:04 am and sunset at 8:02 pm. On the last day of the month, in Bethany, Kentucky, sunrise is at 7:29 am and sunset at 7:18 pm EDT.

How many hours of sunshine does Bethany have in September?

In September, the average sunshine duration in Bethany is 8.3h.

What is the UV index intensity in September in Bethany?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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
Bethany, KY

Average temperature in September - Bethany, KY
  • Average high temperature in September: 79.5°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in September: 57.4°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in September
Bethany, KY

Average pressure in September - Bethany, KY
  • Average pressure in September: 30.05"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in September
Bethany, KY

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

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
Bethany, KY

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

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

Average rainfall in September
Bethany, KY

Average rainfall in September - Bethany, KY
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in September
Bethany, KY

Average rainfall days in September - Bethany, KY
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.5 days).

Average snowfall in September
Bethany, KY

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

The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Bethany, KY

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

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Bethany, 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 36min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in September
Bethany, KY

Average sunshine days in September - Bethany, KY
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9 days).

Average UV index in September
Bethany, KY

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

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
Bethany, KY

Average cloud cover in September - Bethany, KY
  • Average cloud cover in September: 35

The 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
Bethany, KY

Average visibility in September - Bethany, 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).

Bethany, Kentucky, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location