September weather forecast and climate
Compton, AR

Weather in September

The first month of the autumn, September, is also a moderately hot month in Compton, Arkansas, with average temperature varying between 81.1°F (27.3°C) and 59.7°F (15.4°C).

Temperature

In September, the average high-temperature slightly decreases, from a hot 88°F (31.1°C) in August, to a warm 81.1°F (27.3°C). In September, the average low-temperature is 59.7°F (15.4°C).

Heat index

In September, the average heat index is calculated to 85.8°F (29.9°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. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (wind, pregnancy, 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 Compton, the average relative humidity is 75%.

Rainfall

In Compton, Arkansas, during September, the rain falls for 13.5 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, in Compton, there are 145.6 rainfall days, and 31.89" (810mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall in Compton.

Daylight

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

Sunshine

In September, the average sunshine in Compton is 9.2h.

UV index

In September, the average daily maximum UV index in Compton is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
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 Compton?

The average high-temperature, in September, in Compton, is 81.1°F (27.3°C), while the average low-temperature is 59.7°F (15.4°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), that combines relative humidity and air temperature, is calculated to 85.8°F (29.9°C).

What is the average humidity in September in Compton?

In Compton, Arkansas, the average relative humidity in September is 75%.

How many days does it rain in September in Compton?

In Compton, Arkansas, in September, during 13.5 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow in Compton?

In Compton, Arkansas, snow does not fall in June through October.

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

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

How long on average sun shines in September in Compton?

The average sunshine in September in Compton is 9.2h.

What is the UV index intensity in September in Compton?

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in September
Compton, AR

Average temperature in September - Compton, AR
  • Average high temperature in September: 81.1°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in September: 59.7°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

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Average pressure in September
Compton, AR

Average pressure in September - Compton, AR
  • Average pressure in September: 30.02"

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
Compton, AR

Average wind speed in September - Compton, AR
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in September
Compton, AR

Average humidity in September - Compton, AR
  • Average humidity in September: 75%

Months with the highest relative humidity are March and May (78%).
Months with the lowest relative humidity are January and October (73%).

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Average rainfall in September
Compton, AR

Average rainfall in September - Compton, AR
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is May (3.94").
The driest months (with the least rainfall) are January and February (1.97").

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Average rainfall days in September
Compton, AR

Average rainfall days in September - Compton, AR
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is December (7.5 days).

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Average snowfall in September
Compton, AR

Average snowfall in September - Compton, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.36").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Compton, AR

Average snowfall days in September - Compton, AR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.2 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Compton, AR

Average daylight in September / Average sunshine in September - Compton, 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: 9.2h

The month with the most sunshine is June (Average sunshine: 10.8h).
Months with the least sunshine are January and February (Average sunshine: 5.5).

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Average sunshine days in September
Compton, AR

Average sunshine days in September - Compton, AR
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is December (21.3 days).
The month with the least sunshine days is July (11.4 days).

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Average UV index in September
Compton, AR

Average UV index in September - Compton, AR
  • Average UV index in September: 5

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in September
Compton, AR

Average cloud cover in September - Compton, AR
  • Average cloud cover in September: 30

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in September
Compton, AR

Average visibility in September - Compton, 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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