September weather forecast
Springdale, AR

Weather in September

September, the first month of the autumn in Springdale, is also a moderately hot month, with temperature in the range of an average low of 60.6°F (15.9°C) and an average high of 81°F (27.2°C).

Temperature

In September, the average high-temperature marginally drops from a hot 88°F (31.1°C) in August to a moderately hot 81°F (27.2°C). The average low-temperature, in Springdale, is 60.6°F (15.9°C).

Heat index

The average heat index in September is estimated at 85.1°F (29.5°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. With 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 'felt air temperature', 'feels like', 'real feel', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (differences in body mass, height, and shape, wind, pregnancy). 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.

Humidity

In September, the average relative humidity in Springdale is 73%.

Rainfall

In Springdale, during 14 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Springdale, during the entire year, the rain falls for 161.1 days and collects up to 34.09" (866mm) of precipitation.

Snowfall

In Springdale, snow does not fall in June through October.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:48 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:11 am and sunset at 7:01 pm CDT.

Sunshine

In Springdale, the average sunshine in September is 9.5h.

UV index

In September, the average daily maximum UV index in Springdale is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
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 Springdale?

In September, in Springdale, the average high-temperature is 81°F (27.2°C), and the average low-temperature is 60.6°F (15.9°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 85.1°F (29.5°C).

What is the average humidity in September in Springdale?

The average relative humidity in September in Springdale, Arkansas, is 73%.

How many days does it rain in September in Springdale?

In Springdale, Arkansas, in September, during 14 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When it does not snow in Springdale?

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

How many hours of daylight does Springdale have in September?

In Springdale, the average day length in September is 12h and 24min.

What time are sunrise and sunset in September in Springdale?

On the first day of September in Springdale, sunrise is at 6:48 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 7:01 pm CDT.

How long on average sun shines in September in Springdale?

In Springdale, the average sunshine duration in September is 9.5h.

How high is the UV index in September in Springdale?

The average daily maximum UV index in September in Springdale, Arkansas, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Springdale, AR

Average temperature in September - Springdale, AR
  • Average high temperature in September: 81°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 (44.4°F).

  • Average low temperature in September: 60.6°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

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Average pressure in September
Springdale, AR

Average pressure in September - Springdale, AR
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Springdale, AR

Average wind speed in September - Springdale, AR
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in September
Springdale, AR

Average humidity in September - Springdale, AR
  • Average humidity in September: 73%

The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are August and October (72%).

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Average rainfall in September
Springdale, AR

Average rainfall in September - Springdale, AR
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is February (1.81").

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Average rainfall days in September
Springdale, AR

Average rainfall days in September - Springdale, AR
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (8.7 days).

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Average snowfall in September
Springdale, AR

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

The month with the highest snowfall is February (2.05").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Springdale, AR

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

The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Springdale, AR
  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 35min).
The month with the shortest days is December (Average daylight: 9h and 45min).

  • Average sunshine in September: 9h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

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Average sunshine days in September
Springdale, AR

Average sunshine days in September - Springdale, AR
  • Average sunshine days in September: 14.1 days

The months with the most sunshine days are January and December (18.5 days).
The month with the least sunshine days is July (10.5 days).

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Average UV index in September
Springdale, AR

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

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

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Average cloud cover in September
Springdale, AR

Average cloud cover in September - Springdale, AR
  • Average cloud cover in September: 27

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in September
Springdale, AR

Average visibility in September - Springdale, 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).

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