September weather forecast
Alexandria, KY

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Weather in September

September marks the arrival of fall in Alexandria, with the average temperature dropping to 77.9°F (25.5°C). It offers a pleasant weather transition, as the declining temperatures from August make outdoor activities more enjoyable. This change, coupled with the increased rainfall, creates a delightful blend of warm days and cool nights. The fall foliage presents a picturesque landscape throughout the month, making September an ideal time for outdoor exploration and photography.

Temperature

During the shift to September, Alexandria records a mild decrease in average high-temperature, moving from a warm 84.2°F (29°C) in August to a still moderately hot 77.9°F (25.5°C). An average low-temperature of 58.8°F (14.9°C) is anticipated throughout the nights in Alexandria, Kentucky, during September.

Humidity

The months with the lowest humidity in Alexandria are August and September, with an average relative humidity of 74%.

Rainfall

The month with the least rainfall in Alexandria is September, when the rain falls for 13.4 days and typically collects 1.5" (38mm) of precipitation.

Snowfall

May through September are months without snowfall in Alexandria.

Daylight

In Alexandria, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 7:07 am and sunset at 8:07 pm. On the last day of September, in Alexandria, sunrise is at 7:33 am and sunset at 7:21 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What are the temperatures in Alexandria in September?

In Alexandria, in September, the average high-temperature is 77.9°F (25.5°C), and the average low-temperature is 58.8°F (14.9°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is computed to be 91.4°F (33°C).

What are the least humid months in Alexandria?

The months with the lowest humidity are August and September, with an average relative humidity of 74%.

What is the average humidity in September in Alexandria?

The average relative humidity in September in Alexandria, Kentucky, is 74%.

What is the driest month in Alexandria?

The month with the least rainfall is September, when the rain falls for 13.4 days and typically collects 1.5" (38mm) of precipitation.

How many days does it rain in September in Alexandria?

In Alexandria, in September, during 13.4 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

When it does not snow in Alexandria?

May through September are months without snowfall in Alexandria.

Does it snow in Alexandria in September?

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

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

In September, the average day length in Alexandria is 12h and 26min.

When is the sunrise / sunset in September in Alexandria?

In September, on the first day of the month, sunrise is at 7:07 am and sunset at 8:07 pm. On the last day of the month, in Alexandria, Kentucky, sunrise is at 7:33 am and sunset at 7:21 pm EDT.

How many hours of sunshine does Alexandria have in September?

The average sunshine duration in September is 8.2h.

What is the UV index intensity in September in Alexandria?

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from 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
Alexandria, KY

Average temperature in September - Alexandria, KY
  • Average high temperature in September: 77.9°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 (36.7°F).

  • Average low temperature in September: 58.8°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 (24.1°F).

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Average pressure in September
Alexandria, KY

Average pressure in September - Alexandria, KY
  • Average pressure in September: 30.03"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Alexandria, KY

Average wind speed in September - Alexandria, 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 (5mph).

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Average humidity in September
Alexandria, KY

Average humidity in September - Alexandria, KY
  • Average humidity in September: 74%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August and September (74%).

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Average rainfall in September
Alexandria, KY

Average rainfall in September - Alexandria, KY
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in September
Alexandria, KY

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

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in September
Alexandria, KY

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

The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Alexandria, KY

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

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in September
Alexandria, KY

Average sunshine days in September - Alexandria, KY
  • Average sunshine days in September: 14.9 days

The months with the most sunshine days are October and November (18.1 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in September
Alexandria, KY

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Alexandria, KY

Average cloud cover in September - Alexandria, KY
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in September
Alexandria, KY

Average visibility in September - Alexandria, KY
  • Average visibility in September: 6mi

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

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Alexandria, Kentucky, USA

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