September weather forecast and climate
Ash Flat, AR

Weather in September

September, the first month of the autumn, in Ash Flat, is still a warm month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 61.7°F (16.5°C).

Temperature

In Ash Flat, the average high-temperature slightly decreases, from a tropical 89.1°F (31.7°C) in August, to a moderately hot 81.9°F (27.7°C). In Ash Flat, in September, the average low-temperature is 61.7°F (16.5°C).

Heat index

In September, the average heat index is evaluated at a tropical 87.1°F (30.6°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, clothing, pregnancy, and metabolic differences affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity is 74%.

Rainfall

The month with the least rainfall in Ash Flat is September when the rain falls for 12.1 days and typically collects 1.73" (44mm) of precipitation.

Snowfall

April through October are months without snowfall in Ash Flat.

Daylight

In Ash Flat, the average length of the day in September is 12.4h.

Sunshine

The average sunshine in Ash Flat is 9.5h.

UV index

In Ash Flat, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Ash Flat?

In Ash Flat, Arkansas, in September, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 61.7°F (16.5°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), that combines air temperature and relative humidity, in September is evaluated at 87.1°F (30.6°C).

What is the average humidity in September in Ash Flat?

The average relative humidity in September in Ash Flat, Arkansas, is 74%.

How much does it rain in Ash Flat in September?

In Ash Flat, in September, it is raining for 12.1 days, with typically 1.73" (44mm) of accumulated precipitation.

What is the driest month in Ash Flat?

September is the month with the least rainfall in Ash Flat. Rain falls for 12.1 days and accumulates 1.73" (44mm) of precipitation.

When it does not snow in Ash Flat?

April through October are months without snowfall in Ash Flat, Arkansas.

How many hours of daylight does Ash Flat have in September?

In Ash Flat, Arkansas, the average length of the day in September is 12.4h.

How long on average sun shines in September in Ash Flat?

The average sunshine in September in Ash Flat, Arkansas, is 9.5h.

How high is the UV index in September in Ash Flat?

In Ash Flat, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in September
Ash Flat, AR

Average temperature in September - Ash Flat, AR
  • Average high temperature in September: 81.9°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (44.1°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in September
Ash Flat, AR

Average pressure in September - Ash Flat, AR
  • Average pressure in September: 30.02"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in September
Ash Flat, AR

Average wind speed in September - Ash Flat, AR
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in September
Ash Flat, AR

Average humidity in September - Ash Flat, AR
  • Average humidity in September: 74%

Months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Ash Flat, AR

Average rainfall in September - Ash Flat, AR
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in September
Ash Flat, AR

Average rainfall days in September - Ash Flat, AR
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall in September
Ash Flat, AR

Average snowfall in September - Ash Flat, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.34").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Ash Flat, AR

Average snowfall days in September - Ash Flat, AR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.8 days).
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
Ash Flat, AR

Average daylight in September / Average sunshine in September - Ash Flat, AR
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 9.5h

The month with the most sunshine is June (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 5h).

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Average sunshine days in September
Ash Flat, AR

Average sunshine days in September - Ash Flat, AR
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is May (12.7 days).

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Average UV index in September
Ash Flat, AR

Average UV index in September - Ash Flat, AR
  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in September
Ash Flat, AR

Average cloud cover in September - Ash Flat, AR
  • Average cloud cover in September: 29

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in September
Ash Flat, AR

Average visibility in September - Ash Flat, AR
  • Average visibility in September: 6mi

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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