September weather forecast and climate
Grady, AR

Weather in September

The first month of the autumn, September, is also a moderately hot month in Grady, Arkansas, with average temperature fluctuating between 66.4°F (19.1°C) and 85.6°F (29.8°C).

Temperature

In September, the average high-temperature is essentially the same as in August - a warm 85.6°F (29.8°C). In Grady, in September, the average low-temperature is 66.4°F (19.1°C).

Heat index

In September, the average heat index is appraised at a hot 94.6°F (34.8°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
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 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like activity, wind, differences in body mass, height, and shape, and clothing 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. 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 is 71%.

Rainfall

September is the month with the least rainfall in Grady. Rain falls for 11.3 days and accumulates 1.89" (48mm) of precipitation.

Snowfall

In Grady, Arkansas, snow does not fall in April through November.

Daylight

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

Sunshine

The average sunshine in September is 9.8h.

UV index

In September, the average daily maximum UV index in Grady is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
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. 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 Grady?

In September, in Grady, Arkansas, the average high-temperature is 85.6°F (29.8°C), and the average low-temperature is 66.4°F (19.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), that combines air temperature and relative humidity, in September is evaluated at 94.6°F (34.8°C).

What is the average humidity in September in Grady?

The average relative humidity in September in Grady, Arkansas, is 71%.

How much does it rain in Grady in September?

In Grady, during September, the rain falls for 11.3 days and regularly aggregates up to 1.89" (48mm) of precipitation.

What is the driest month in Grady?

September is the month with the least rainfall in Grady. Rain falls for 11.3 days and accumulates 1.89" (48mm) of precipitation.

When it does not snow in Grady?

In Grady, Arkansas, snow does not fall in April through November.

How many hours of daylight does Grady have in September?

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

How many hours of sunshine does Grady have in September?

In Grady, Arkansas, the average sunshine in September is 9.8h.

What is the UV index intensity in September in Grady?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in September
Grady, AR

Average temperature in September - Grady, AR
  • Average high temperature in September: 85.6°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50°F).

  • Average low temperature in September: 66.4°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).

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Average pressure in September
Grady, AR

Average pressure in September - Grady, 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
Grady, AR

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

The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in September
Grady, AR

Average humidity in September - Grady, AR
  • Average humidity in September: 71%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in September
Grady, AR

Average rainfall in September - Grady, AR
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in September
Grady, AR

Average rainfall days in September - Grady, AR
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (9 days).

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Average snowfall in September
Grady, AR

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

The month with the highest snowfall is February (0.55").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Grady, AR

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

The month with the highest number of snowfall days is February (1.1 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
Grady, AR

Average daylight in September / Average sunshine in September - Grady, 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: 9.8h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in September
Grady, AR

Average sunshine days in September - Grady, AR
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (13.4 days).

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Average UV index in September
Grady, AR

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

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

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Average cloud cover in September
Grady, AR

Average cloud cover in September - Grady, AR
  • Average cloud cover in September: 28

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in September
Grady, AR

Average visibility in September - Grady, AR
  • Average visibility in September: 6mi

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

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