September weather forecast
East Union, KY

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Weather in September

September, the first month of the autumn in East Union, is still a warm month, with an average temperature varying between 58.6°F (14.8°C) and 78.1°F (25.6°C).

Temperature

Start of September brings a slight shift in the average high-temperature, dipping a bit from August's 84.4°F (29.1°C) to a still moderately hot 78.1°F (25.6°C). In the month of September, the average temperature dips to a mild 58.6°F (14.8°C) during the night.

Humidity

The months with the lowest humidity are August and September, with an average relative humidity of 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 2.01" (51mm) of precipitation.

Snowfall

In East Union, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 7:06 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:19 pm EDT.

Sunshine

In East Union, the average sunshine in September is 8.3h.

UV index

In East Union, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 4 in September transforms into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for East Union in September?

The high-temperature, in September, in East Union, is 78.1°F (25.6°C), while the low-temperature averages to 58.6°F (14.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is computed to be 93.2°F (34°C).

What is the least humid month?

The months with the lowest humidity are August and September, with an average relative humidity of 75%.

What is the average humidity in September in East Union?

In September, the average relative humidity is 75%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 2.01" (51mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 13.3 days. Throughout September, 2.01" (51mm) of precipitation is accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 7:06 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:19 pm EDT.

How many hours of sunshine does East Union have in September?

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

How high is the UV index in September in East Union?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to 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
East Union, KY

Average temperature in September - East Union, KY
  • Average high temperature in September: 78.1°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 (38.3°F).

  • Average low temperature in September: 58.6°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 (25.3°F).

Average pressure in September
East Union, KY

Average pressure in September - East Union, KY
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
East Union, KY

Average wind speed in September - East Union, 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 (5.2mph).

Average humidity in September
East Union, KY

Average humidity in September - East Union, KY
  • Average humidity in September: 75%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August and September (75%).

Average rainfall in September
East Union, KY

Average rainfall in September - East Union, KY
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in September
East Union, KY

Average rainfall days in September - East Union, KY
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.2 days).

Average snowfall in September
East Union, KY

Average snowfall in September - East Union, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
East Union, KY

Average snowfall days in September - East Union, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10 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
East Union, KY

Average daylight in September / Average sunshine in September - East Union, KY
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
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 0min).

Average sunshine days in September
East Union, KY

Average sunshine days in September - East Union, KY
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is February (10 days).

Average UV index in September
East Union, KY

Average UV index in September - East Union, 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, November and December (UV index 2).

Average cloud cover in September
East Union, KY

Average cloud cover in September - East Union, KY
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
East Union, KY

Average visibility in September - East Union, KY
  • Average visibility in September: 6mi

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

East Union, Kentucky, USA

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