September weather forecast
Owensboro, KY

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A stunning architectural design of the famous Bluegrass Music Museum in the city of Owensboro, Kentucky
A stunning architectural design of the famous Bluegrass Music Museum in the city of Owensboro, Kentucky

Weather in September

September brings the first whiffs of autumn to Owensboro. Despite a noticeable drop in sunshine hours to 8.9 hours per day, the temperatures between 61°F (16.1°C) and 79.9°F (26.6°C) ensure the weather remains reasonably warm. With the least rainfall of the year, 1.46" (37mm), it marks the transition from summer to fall. Humidity and atmospheric pressure variations align with the seasonal shift. Owensboro gently heads into the subtle changes of fall, welcoming the aesthetic beauty of changing leaves.

Temperature

As Owensboro, Kentucky, welcomes September, the average high-temperature records at a still moderately hot 79.9°F (26.6°C), marking an insignificant deviation from the prior month. Owensboro encounters an average low-temperature of 61°F (16.1°C) during September nights.

Humidity

In September, the average relative humidity is 74%.

Rainfall

September is the month with the least rainfall in Owensboro. Rain falls for 11.9 days and accumulates 1.46" (37mm) of precipitation.

Snowfall

In Owensboro, snow does not fall in May through October.

Daylight

In September, the average length of the day in Owensboro is 12h and 25min.
On the first day of September, sunrise is at 6:19 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:32 pm CDT.

Sunshine

In September, the average sunshine in Owensboro is 8.9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. To guard against the harmful effects of the Sun, minimize exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What is the average September temperature in Owensboro?

The average high-temperature, in September, in Owensboro, is 79.9°F (26.6°C), while the average low-temperature is 61°F (16.1°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is appraised at 95°F (35°C).

What is the average humidity in September in Owensboro?

In Owensboro, Kentucky, the average relative humidity in September is 74%.

What is the driest month in Owensboro?

The month with the least rainfall in Owensboro, Kentucky, is September, when the rain falls for 11.9 days and typically collects 1.46" (37mm) of precipitation.

How many days does it rain in September in Owensboro?

In Owensboro, Kentucky, during September, the rain falls for 11.9 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow in Owensboro?

May through October are months without snowfall.

How many hours of daylight does Owensboro have in September?

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

When are sunrise and sunset in September in Owensboro?

On the first day of September in Owensboro, Kentucky, sunrise is at 6:19 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:32 pm CDT.

How long on average sun shines in September in Owensboro?

In Owensboro, Kentucky, the average sunshine duration in September is 8.9h.

How high is the UV index in September in Owensboro?

The average daily maximum UV index in September in Owensboro is 5. 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
Owensboro, KY

Average temperature in September - Owensboro, KY
  • Average high temperature in September: 79.9°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure in September
Owensboro, KY

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in September
Owensboro, KY

Average wind speed in September - Owensboro, KY
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).

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Average humidity in September
Owensboro, KY

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

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Owensboro, KY

Average rainfall in September - Owensboro, KY
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is April (3.86").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days in September
Owensboro, KY

Average rainfall days in September - Owensboro, KY
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is November (9.9 days).

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Average snowfall in September
Owensboro, KY

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

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Owensboro, KY

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

The month with the highest number of snowfall days is January (6.8 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
Owensboro, KY

Average daylight in September / Average sunshine in September - Owensboro, 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 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in September
Owensboro, KY

Average sunshine days in September - Owensboro, KY
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index in September
Owensboro, KY

Average UV index in September - Owensboro, KY
  • Average UV index in September: 5

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).

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Average cloud cover in September
Owensboro, KY

Average cloud cover in September - Owensboro, KY
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 27).

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Average visibility in September
Owensboro, KY

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

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

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Owensboro, Kentucky, USA

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