September weather forecast
Westplains, KY

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Weather in September

September, the first month of the autumn in Westplains, is still a warm month, with an average temperature ranging between max 81.7°F (27.6°C) and min 62.4°F (16.9°C).

Temperature

The ushering in of September brings an average high-temperature of a moderately hot 81.7°F (27.6°C), closely mirroring the 86.7°F (30.4°C) of August. Throughout September, Westplains registers a consistent average low-temperature of 62.4°F (16.9°C).

Heat index

September's mean heat index is estimated at a hot 86°F (30°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.
For clarity, heat index numbers account for light winds and areas under shade. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially vital to children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in September is 72%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

May through October are months without snowfall in Westplains.

Daylight

In Westplains, the average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 6:25 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:38 pm CDT.

Sunshine

The average sunshine in September is 9.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 5 suggests this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. To protect against the Sun's most potent rays, avoid direct exposure around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

What are September temperatures in Westplains?

During September, Westplains experiences an average high-temperature of 81.7°F (27.6°C) and a low-temperature of 62.4°F (16.9°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in September in Westplains?

In Westplains, the average relative humidity in September is 72%.

What is the driest month in Westplains?

September is the month with the least rainfall in Westplains. Rain falls for 13.6 days and accumulates 1.97" (50mm) of precipitation.

How much does it rain in Westplains in September?

In September, in Westplains, the rain falls for 13.6 days. Throughout September, 1.97" (50mm) of precipitation is accumulated.

When it does not snow in Westplains?

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

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

In September, the average day length is 12h and 24min.

When is the sunrise / sunset in September in Westplains?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:22 pm. On the last day of the month, in Westplains, Kentucky, sunrise is at 6:49 am and sunset at 6:38 pm CDT.

How long on average sun shines in September in Westplains?

The average sunshine duration in September in Westplains, Kentucky, is 9.5h.

What is the UV index intensity in September in Westplains?

In Westplains, Kentucky, the average daily maximum UV index in September is 5. 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
Westplains, KY

Average temperature in September - Westplains, KY
  • Average high temperature in September: 81.7°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in September: 62.4°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in September
Westplains, KY

Average pressure in September - Westplains, KY
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in September
Westplains, KY

Average wind speed in September - Westplains, KY
  • Average wind speed in September: 6.3mph

The windiest months (with the highest average wind speed) are February and April (9mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

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Average humidity in September
Westplains, KY

Average humidity in September - Westplains, KY
  • Average humidity in September: 72%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in September
Westplains, KY

Average rainfall in September - Westplains, KY
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is April (4.69").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in September
Westplains, KY

Average rainfall days in September - Westplains, KY
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (10.7 days).

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Average snowfall in September
Westplains, KY

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

The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Westplains, KY

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

The months with the highest number of snowfall days are January and February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in September
Westplains, KY

Average sunshine days in September - Westplains, KY
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is July (8.8 days).

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Average UV index in September
Westplains, KY

Average UV index in September - Westplains, 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
Westplains, KY

Average cloud cover in September - Westplains, KY
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and September (Cloud cover 27).

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Average visibility in September
Westplains, KY

Average visibility in September - Westplains, 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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Westplains, Kentucky, USA

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