September weather forecast
West Memphis, AR

Weather in September

September, the first month of the autumn in West Memphis, is also a moderately hot month, with an average temperature varying between 65.7°F (18.7°C) and 83.3°F (28.5°C).

Temperature

In September, the average high-temperature is practically the same as in August - a warm 83.3°F (28.5°C). In West Memphis, in September, the average low-temperature is 65.7°F (18.7°C).

Heat index

The average heat index in September is evaluated at a hot 89.6°F (32°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, metabolic differences, pregnancy), and activity. 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. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 8.2 days and accumulates 0.43" (11mm) of precipitation.

Snowfall

In West Memphis, snow does not fall in April through October.

Daylight

The average length of the day in September in West Memphis is 12h and 23min.
On the first day of September, sunrise is at 6:33 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:46 pm CDT.

Sunshine

In September, the average sunshine in West Memphis is 9.8h.

UV index

In September, the average daily maximum UV index in West Memphis, Arkansas, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from 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 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 West Memphis?

In September, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 65.7°F (18.7°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is evaluated at 89.6°F (32°C).

What is the average humidity in September in West Memphis?

The average relative humidity in September in West Memphis is 72%.

What is the driest month in West Memphis?

The month with the least rainfall in West Memphis, Arkansas, is September, when the rain falls for 8.2 days and typically collects 0.43" (11mm) of precipitation.

How much does it rain in West Memphis in September?

In September, in West Memphis, Arkansas, the rain falls for 8.2 days. Throughout September, 0.43" (11mm) of precipitation is accumulated.

When it does not snow in West Memphis?

In West Memphis, snow does not fall in April through October.

How many hours of daylight does West Memphis have in September?

In September, the average day length is 12h and 23min.

When are sunrise and sunset in September in West Memphis?

In September, on the first day of the month, sunrise is at 6:33 am and sunset at 7:27 pm. On the last day of the month, in West Memphis, Arkansas, sunrise is at 6:54 am and sunset at 6:46 pm CDT.

How long on average sun shines in September in West Memphis?

The average sunshine duration in September in West Memphis, Arkansas, is 9.8h.

What is the UV index reading in September in West Memphis?

In West Memphis, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
West Memphis, AR

Average temperature in September - West Memphis, AR
  • Average high temperature in September: 83.3°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.8°F).

  • Average low temperature in September: 65.7°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (34°F).

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Average pressure in September
West Memphis, AR

Average pressure in September - West Memphis, AR
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
West Memphis, AR

Average wind speed in September - West Memphis, AR
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

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Average humidity in September
West Memphis, AR

Average humidity in September - West Memphis, AR
  • Average humidity in September: 72%

The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in September
West Memphis, AR

Average rainfall in September - West Memphis, AR
  • Average rainfall in September: 0.43"

The wettest month (with the highest rainfall) is April (1.42").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days in September
West Memphis, AR

Average rainfall days in September - West Memphis, AR
  • Average rainfall days in September: 8.2 days

The months with the highest number of rainy days are May and July (12.3 days).
The month with the least rainy days is October (6.5 days).

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Average snowfall in September
West Memphis, AR

Average snowfall in September - West Memphis, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.16").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
West Memphis, AR

Average snowfall days in September - West Memphis, AR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
West Memphis, AR

Average daylight in September / Average sunshine in September - West Memphis, AR
  • Average daylight in September: 12h and 23min

The month with the longest days is June (Average daylight: 14h and 29min).
The month with the shortest days is December (Average daylight: 9h and 50min).

  • Average sunshine in September: 9h and 48min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in September
West Memphis, AR

Average sunshine days in September - West Memphis, AR
  • Average sunshine days in September: 19.7 days

The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is June (14.9 days).

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Average UV index in September
West Memphis, AR

Average UV index in September - West Memphis, AR
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
West Memphis, AR

Average cloud cover in September - West Memphis, AR
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).

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Average visibility in September
West Memphis, AR

Average visibility in September - West Memphis, AR
  • 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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