September weather forecast
Old Washington, KY

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Old Washington, Kentucky, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 77.9°F (25.5°C).

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from a moderately hot 84.2°F (29°C) in August to a still warm 77.9°F (25.5°C). Old Washington throughout September, experiences an average nighttime temperature of 57.7°F (14.3°C).

Humidity

April, August through November, with an average relative humidity of 76%, are the least humid months.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.65" (42mm) of precipitation.

Snowfall

In Old Washington, snow does not fall in May through September.

Daylight

The average length of the day in September in Old Washington is 12h and 25min.
On the first day of the month, sunrise is at 7:05 am and sunset at 8:04 pm. On the last day of September, in Old Washington, sunrise is at 7:30 am and sunset at 7:19 pm EDT.

Sunshine

The average sunshine in September in Old Washington is 8.3h.

UV index

In Old Washington, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Make use of precautions - It is urged to ward off sun damage. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What is the usual temperature for Old Washington in September?

The high-temperature, in September, in Old Washington, is 77.9°F (25.5°C), while the low-temperature averages to 57.7°F (14.3°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is evaluated at 93.2°F (34°C).

What is the least humid month in Old Washington?

April, August through November, with an average relative humidity of 76%, are the least humid months in Old Washington, Kentucky.

What is the average humidity in September in Old Washington?

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

What is the driest month in Old Washington?

September is the month with the least rainfall in Old Washington. Rain falls for 12.6 days and accumulates 1.65" (42mm) of precipitation.

How many days does it rain in September in Old Washington?

In Old Washington, Kentucky, in September, it is raining for 12.6 days, with typically 1.65" (42mm) of accumulated precipitation.

When it does not snow in Old Washington?

May through September are months without snowfall in Old Washington, Kentucky.

Does it snow in Old Washington in September?

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

What is the average length of the day in September in Old Washington?

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

When is the sunrise / sunset in September in Old Washington?

In September, on the first day of the month, sunrise is at 7:05 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:19 pm EDT.

How long on average sun shines in September in Old Washington?

In Old Washington, Kentucky, the average sunshine duration in September is 8.3h.

What is the UV index reading in September in Old Washington?

In Old Washington, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes 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
Old Washington, KY

Average temperature in September - Old Washington, 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 (37.6°F).

  • Average low temperature in September: 57.7°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in September
Old Washington, KY

Average pressure in September - Old Washington, 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 (29.95"Hg).

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Average wind speed in September
Old Washington, KY

Average wind speed in September - Old Washington, KY
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in September
Old Washington, KY

Average humidity in September - Old Washington, KY
  • Average humidity in September: 76%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are April, August, September, October and November (76%).

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Average rainfall in September
Old Washington, KY

Average rainfall in September - Old Washington, KY
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.65").

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Average rainfall days in September
Old Washington, KY

Average rainfall days in September - Old Washington, KY
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is November (10.6 days).

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Average snowfall in September
Old Washington, KY

Average snowfall in September - Old Washington, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Old Washington, KY

Average snowfall days in September - Old Washington, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Old Washington, KY

Average daylight in September / Average sunshine in September - Old Washington, 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 30min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in September
Old Washington, KY

Average sunshine days in September - Old Washington, KY
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10 days).

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Average UV index in September
Old Washington, KY

Average UV index in September - Old Washington, 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).

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Average cloud cover in September
Old Washington, KY

Average cloud cover in September - Old Washington, 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 28).

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Average visibility in September
Old Washington, KY

Average visibility in September - Old Washington, KY
  • Average visibility in September: 5mi

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

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Old Washington, Kentucky, USA

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