September weather forecast
Mitchellville, AR

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Mitchellville, Arkansas, with temperature in the range of an average low of 66.7°F (19.3°C) and an average high of 85.5°F (29.7°C).

Temperature

The arrival of September brings an average high-temperature of a warm 85.5°F (29.7°C), subtly diverging from August's 89.4°F (31.9°C). The nights of September anticipate an average low-temperature of 66.7°F (19.3°C).

Heat index

In September, the average heat index is calculated to be a very hot 95°F (35°C). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

In September, the average relative humidity is 72%.

Rainfall

In Mitchellville, in September, during 12.5 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 153.1 rainfall days, and 40.47" (1028mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of the month, sunrise is at 6:40 am and sunset at 7:31 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:51 pm CDT.

Sunshine

In Mitchellville, Arkansas, the average sunshine in September is 9.7h.

UV index

In Mitchellville, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 during September translates into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

The average high-temperature and low-temperature during September are 85.5°F (29.7°C) and 66.7°F (19.3°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is calculated to be 95°F (35°C).

What is the average humidity in September?

In September, the average relative humidity is 72%.

How much does it rain in September?

In Mitchellville, in September, during 12.5 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Mitchellville have in September?

In Mitchellville, the average day length in September is 12h and 22min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:40 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:51 pm CDT.

How many hours of sunshine does Mitchellville have in September?

In September, the average sunshine duration is 9.7h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Mitchellville, AR

Average temperature in September - Mitchellville, AR
  • Average high temperature in September: 85.5°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 (50.5°F).

  • Average low temperature in September: 66.7°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 (37°F).

Average pressure in September
Mitchellville, AR

Average pressure in September - Mitchellville, AR
  • Average pressure in September: 30"Hg

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

Average wind speed in September
Mitchellville, AR

Average wind speed in September - Mitchellville, AR
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in September
Mitchellville, AR

Average humidity in September - Mitchellville, AR
  • Average humidity in September: 72%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (67%).

Average rainfall in September
Mitchellville, AR

Average rainfall in September - Mitchellville, AR
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is April (4.37").
The driest month (with the least rainfall) is November (2.2").

Average rainfall days in September
Mitchellville, AR

Average rainfall days in September - Mitchellville, AR
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is October (8.6 days).

Average snowfall in September
Mitchellville, AR

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

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Mitchellville, AR

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

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Mitchellville, AR
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
Mitchellville, AR

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

The month with the most sunshine days is October (21.1 days).
The month with the least sunshine days is July (11.9 days).

Average UV index in September
Mitchellville, AR

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

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

Average cloud cover in September
Mitchellville, AR

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

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

Average visibility in September
Mitchellville, AR

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

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

Mitchellville, Arkansas, USA

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