September weather forecast
Douglas, KY

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Douglas, Kentucky, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 56.8°F (13.8°C).

Temperature

September sees a slight reduction in average high-temperature, with a shift from a warm 85.3°F (29.6°C) in August to a still moderately hot 79.3°F (26.3°C). In Douglas, September nights witness a remarkable decline from the day's zenith to a moderate 56.8°F (13.8°C).

Humidity

In September, the average relative humidity is 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 1.73" (44mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of September, sunrise is at 7:01 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:14 pm EDT.

Sunshine

In Douglas, Kentucky, the average sunshine in September is 8.2h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Take precautions - Protection against 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. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Douglas, records 79.3°F (26.3°C), while the low-temperature is 56.8°F (13.8°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 95°F (35°C).

What is the average humidity in September?

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

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 1.73" (44mm) of precipitation.

How much does it rain in September?

In Douglas, in September, it is raining for 13.3 days, with typically 1.73" (44mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in Douglas in September?

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

How many hours of daylight does Douglas have in September?

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

When is the sunrise / sunset in September in Douglas?

On the first day of September, sunrise is at 7:01 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:14 pm EDT.

How many hours of sunshine does Douglas have in September?

In Douglas, the average sunshine duration in September is 8.2h.

What is the UV index intensity in September in Douglas?

In Douglas, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Douglas, KY

Average temperature in September - Douglas, KY
  • Average high temperature in September: 79.3°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 (41.2°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in September
Douglas, KY

Average pressure in September - Douglas, KY
  • Average pressure in September: 30.06"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
Douglas, KY

Average wind speed in September - Douglas, KY
  • Average wind speed in September: 4.2mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in September
Douglas, KY

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

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

Average rainfall in September
Douglas, KY

Average rainfall in September - Douglas, KY
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in September
Douglas, KY

Average rainfall days in September - Douglas, KY
  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (11.3 days).

Average snowfall in September
Douglas, KY

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

The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Douglas, KY

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

The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Douglas, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in September
Douglas, KY

Average sunshine days in September - Douglas, KY
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).

Average UV index in September
Douglas, KY

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

The months with the highest UV index are June 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
Douglas, KY

Average cloud cover in September - Douglas, KY
  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Douglas, KY

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

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

Douglas, Kentucky, USA

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