September weather forecast and climate
Bellair, AR

Weather in September

The first month of the autumn, September, is still a hot month in Bellair, Arkansas, with average temperature ranging between max 86.5°F (30.3°C) and min 65.7°F (18.7°C).

Temperature

In September, the average high-temperature marginally drops, from 93°F (33.9°C) in August, to a still tropical 86.5°F (30.3°C). The average low-temperature, in Bellair, Arkansas, is 65.7°F (18.7°C).

Heat index

In September, the average heat index is evaluated at a torrid 96.8°F (36°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', 'apparent temperature', 'felt air temperature', or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like metabolic differences, clothing, pregnancy, and activity influence one's weather impression. 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 particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In September, the average relative humidity is 71%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.2 days and accumulates 2.44" (62mm) of precipitation.

Snowfall

In Bellair, Arkansas, snow does not fall in April through December.

Daylight

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

Sunshine

The average sunshine in September is 9.3h.

UV index

In Bellair, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. 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 Bellair?

In September, in Bellair, Arkansas, the average high-temperature is 86.5°F (30.3°C), and the average low-temperature is 65.7°F (18.7°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines relative humidity and air temperature, is estimated at 96.8°F (36°C).

What is the average humidity in September in Bellair?

In Bellair, Arkansas, the average relative humidity in September is 71%.

How many days does it rain in September in Bellair?

In Bellair, Arkansas, during September, the rain falls for 12.2 days and regularly aggregates up to 2.44" (62mm) of precipitation.

What is the driest month in Bellair?

The month with the least rainfall is September when the rain falls for 12.2 days and typically collects 2.44" (62mm) of precipitation.

When it does not snow in Bellair?

April through December are months without snowfall in Bellair.

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

The average length of the day in September in Bellair is 12.4h.

How many hours of sunshine does Bellair have in September?

The average sunshine in September is 9.3h.

How high is the UV index in September in Bellair?

In Bellair, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to the UV radiation.

Average temperature in September
Bellair, AR

Average temperature in September - Bellair, AR
  • Average high temperature in September: 86.5°F

The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (50.9°F).

  • Average low temperature in September: 65.7°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).

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Average pressure in September
Bellair, AR

Average pressure in September - Bellair, AR
  • Average pressure in September: 29.99"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in September
Bellair, AR

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

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in September
Bellair, AR

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

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in September
Bellair, AR

Average rainfall in September - Bellair, AR
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is September (2.44").

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Average rainfall days in September
Bellair, AR

Average rainfall days in September - Bellair, AR
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is March (15.5 days).
The month with the least rainy days is January (10.4 days).

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Average snowfall in September
Bellair, AR

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

The month with the highest snowfall is February (0.51").
Months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in September
Bellair, AR

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

The month with the highest number of snowfall days is February (1.3 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
Bellair, AR

Average daylight in September / Average sunshine in September - Bellair, 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 August (Average sunshine: 10.6h).
Months with the least sunshine are February and December (Average sunshine: 5.1).

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Average sunshine days in September
Bellair, AR

Average sunshine days in September - Bellair, AR
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is February (13.3 days).

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Average UV index in September
Bellair, AR

Average UV index in September - Bellair, AR
  • Average UV index in September: 6

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

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Average cloud cover in September
Bellair, AR

Average cloud cover in September - Bellair, AR
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in September
Bellair, AR

Average visibility in September - Bellair, 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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