September weather forecast and climate
Shannon Hills, AR

Weather in September

The first month of the autumn, September, is still a warm month in Shannon Hills, Arkansas, with temperature in the range of an average high of 85.3°F (29.6°C) and an average low of 64.9°F (18.3°C).

Temperature

In Shannon Hills, the average high-temperature in September slightly decreases, from a tropical 91°F (32.8°C) in August, to a warm 85.3°F (29.6°C). In Shannon Hills, Arkansas, the average low-temperature is 64.9°F (18.3°C).

Heat index

In September, the average heat index is appraised at a hot 94.1°F (34.5°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
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', 'apparent temperature', 'felt air temperature', or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, metabolic differences, differences in body mass, height, and shape). 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

The average relative humidity in Shannon Hills, Arkansas, is 72%.

Rainfall

In September, the rain falls for 13 days. Throughout September, 2.68" (68mm) of precipitation is accumulated. In Shannon Hills, during the entire year, the rain falls for 158.1 days and collects up to 38.03" (966mm) of precipitation.

Snowfall

In Shannon Hills snow does not fall in April through October.

Daylight

In Shannon Hills, the average length of the day is 12.4h.

Sunshine

In September, the average sunshine is 9.5h.

UV index

In Shannon Hills, Arkansas, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 Shannon Hills?

The average high-temperature, in September, in Shannon Hills, Arkansas, is 85.3°F (29.6°C), while the average low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), that calculates temperature value influenced by the moisture in the air, in September is evaluated at 94.1°F (34.5°C).

What is the average humidity in September in Shannon Hills?

In September, the average relative humidity is 72%.

How much does it rain in Shannon Hills in September?

In September, in Shannon Hills, Arkansas, the rain falls for 13 days. Throughout September, 2.68" (68mm) of precipitation is accumulated.

When it does not snow in Shannon Hills?

April through October are months without snowfall in Shannon Hills, Arkansas.

How many hours of daylight does Shannon Hills have in September?

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

How many hours of sunshine does Shannon Hills have in September?

In Shannon Hills, Arkansas, the average sunshine in September is 9.5h.

What is the UV index intensity in September in Shannon Hills?

The average daily maximum UV index in September in Shannon Hills is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.

Average temperature in September
Shannon Hills, AR

Average temperature in September - Shannon Hills, AR
  • Average high temperature in September: 85.3°F

The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (48.9°F).

  • Average low temperature in September: 64.9°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 (34.2°F).

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Average pressure in September
Shannon Hills, AR

Average pressure in September - Shannon Hills, AR
  • Average pressure in September: 30.01"

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
Shannon Hills, AR

Average wind speed in September - Shannon Hills, AR
  • Average wind speed in September: 5.3mph

The windiest months (with the highest average wind speed) are February, March and April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Shannon Hills, AR

Average humidity in September - Shannon Hills, AR
  • Average humidity in September: 72%

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in September
Shannon Hills, AR

Average rainfall in September - Shannon Hills, AR
  • Average rainfall in September: 2.68"

The wettest month (with the highest rainfall) is April (4.53").
The driest month (with the least rainfall) is January (2.52").

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Average rainfall days in September
Shannon Hills, AR

Average rainfall days in September - Shannon Hills, AR
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in September
Shannon Hills, AR

Average snowfall in September - Shannon Hills, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.02").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Shannon Hills, AR

Average snowfall days in September - Shannon Hills, AR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.2 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
Shannon Hills, AR

Average daylight in September / Average sunshine in September - Shannon Hills, AR
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • 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: 5.2h).

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Average sunshine days in September
Shannon Hills, AR

Average sunshine days in September - Shannon Hills, AR
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in September
Shannon Hills, AR

Average UV index in September - Shannon Hills, AR
  • Average UV index in September: 6

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

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Average cloud cover in September
Shannon Hills, AR

Average cloud cover in September - Shannon Hills, AR
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in September
Shannon Hills, AR

Average visibility in September - Shannon Hills, 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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