September weather forecast and climate
Red Oak, AR

Weather in September

September, the first month of the autumn, in Red Oak, is still a warm month, with average temperature ranging between min 63.7°F (17.6°C) and max 84.9°F (29.4°C).

Temperature

In Red Oak, the average high-temperature in September slightly decreases, from a hot 91°F (32.8°C) in August, to a warm 84.9°F (29.4°C). In Red Oak, in September, the average low-temperature is 63.7°F (17.6°C).

Heat index

The average heat index in September is appraised at a tropical 93.7°F (34.3°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
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 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, metabolic differences, clothing), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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 Red Oak, the average relative humidity in September is 73%.

Rainfall

The month with the least rainfall is September when the rain falls for 11.5 days and typically collects 1.93" (49mm) of precipitation.

Snowfall

April through October are months without snowfall in Red Oak.

Daylight

In September, the average length of the day in Red Oak is 12.4h.

Sunshine

In September, the average sunshine in Red Oak is 9.3h.

UV index

The average daily maximum UV index in Red Oak is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Red Oak?

In September, the average high-temperature is 84.9°F (29.4°C), and the average low-temperature is 63.7°F (17.6°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), that takes the relative humidity and factores it into the air temperature reading, in September is evaluated at 93.7°F (34.3°C).

What is the average humidity in September in Red Oak?

In Red Oak, the average relative humidity in September is 73%.

How many days does it rain in September in Red Oak?

In September, the rain falls for 11.5 days. Throughout September, 1.93" (49mm) of precipitation is accumulated.

What is the driest month in Red Oak?

September is the month with the least rainfall in Red Oak. Rain falls for 11.5 days and accumulates 1.93" (49mm) of precipitation.

When it does not snow in Red Oak?

In Red Oak, Arkansas, snow does not fall in April through October.

What is the average length of the day in September in Red Oak?

In September, the average length of the day in Red Oak is 12.4h.

How many hours of sunshine does Red Oak have in September?

The average sunshine in September in Red Oak, Arkansas, is 9.3h.

What is the UV index reading in September in Red Oak?

In Red Oak, Arkansas, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in September
Red Oak, AR

Average temperature in September - Red Oak, AR
  • Average high temperature in September: 84.9°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (49.3°F).

  • Average low temperature in September: 63.7°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

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Average pressure in September
Red Oak, AR

Average pressure in September - Red Oak, AR
  • Average pressure in September: 30"

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

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Average wind speed in September
Red Oak, AR

Average wind speed in September - Red Oak, AR
  • Average wind speed in September: 4.9mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in September
Red Oak, AR

Average humidity in September - Red Oak, AR
  • Average humidity in September: 73%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Red Oak, AR

Average rainfall in September - Red Oak, AR
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in September
Red Oak, AR

Average rainfall days in September - Red Oak, AR
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is August (15.9 days).
The month with the least rainy days is January (9.2 days).

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Average snowfall in September
Red Oak, AR

Average snowfall in September - Red Oak, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.94").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Red Oak, AR

Average snowfall days in September - Red Oak, AR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.7 days).
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
Red Oak, AR

Average daylight in September / Average sunshine in September - Red Oak, AR
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 9.3h

The month with the most sunshine is July (Average sunshine: 10.3h).
Months with the least sunshine are January, February and December (Average sunshine: 5.1).

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Average sunshine days in September
Red Oak, AR

Average sunshine days in September - Red Oak, AR
  • Average sunshine days in September: 16.8 days

Months with the most sunshine days are January and October (19.4 days).
The month with the least sunshine days is August (13.5 days).

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Average UV index in September
Red Oak, AR

Average UV index in September - Red Oak, AR
  • Average UV index in September: 5

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

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Average cloud cover in September
Red Oak, AR

Average cloud cover in September - Red Oak, AR
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 49).
Months with the least cloud cover are June, July, August and September (Cloud cover 30).

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Average visibility in September
Red Oak, AR

Average visibility in September - Red Oak, AR
  • Average visibility in September: 6mi

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

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