September weather forecast
Vanndale, AR

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Weather in September

September, the first month of the autumn in Vanndale, is still a warm month, with an average temperature varying between 82.9°F (28.3°C) and 64.8°F (18.2°C).

Temperature

During September, Vanndale records an average high-temperature of a warm 82.9°F (28.3°C), marking a slight divergence from August's 87.3°F (30.7°C). Vanndale observes an average nighttime low-temperature of 64.8°F (18.2°C) during the month of September.

Heat index

In September, the heat index is computed to be a hot 89.6°F (32°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 2.09" (53mm) of precipitation.

Snowfall

In Vanndale, Arkansas, snow does not fall in April through September.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:29 pm. On the last day of September, in Vanndale, sunrise is at 6:57 am and sunset at 6:47 pm CDT.

Sunshine

In September, the average sunshine in Vanndale is 9.8h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 5 in September translates into these instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

Is it hot in Vanndale during September?

In Vanndale, 82.9°F (28.3°C) is the average high-temperature and 64.8°F (18.2°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 89.6°F (32°C).

What is the average humidity in September in Vanndale?

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

What is the driest month in Vanndale?

The month with the least rainfall in Vanndale is September, when the rain falls for 13.5 days and typically collects 2.09" (53mm) of precipitation.

How many days does it rain in September in Vanndale?

In Vanndale, during September, the rain falls for 13.5 days and regularly aggregates up to 2.09" (53mm) of precipitation.

When it does not snow in Vanndale?

In Vanndale, snow does not fall in April through September.

Does it snow in Vanndale in September?

In Vanndale, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Vanndale have in September?

The average day length in September is 12h and 23min.

When are sunrise and sunset in September in Vanndale?

In September, on the first day of the month, sunrise is at 6:36 am and sunset at 7:29 pm. On the last day of the month, in Vanndale, sunrise is at 6:57 am and sunset at 6:47 pm CDT.

How long on average sun shines in September in Vanndale?

The average sunshine duration in September in Vanndale is 9.8h.

What is the UV index reading in September in Vanndale?

In Vanndale, Arkansas, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Vanndale, AR

Average temperature in September - Vanndale, AR
  • Average high temperature in September: 82.9°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.2°F).

  • Average low temperature in September: 64.8°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 (33.8°F).

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Average pressure in September
Vanndale, AR

Average pressure in September - Vanndale, 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).

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Average wind speed in September
Vanndale, AR

Average wind speed in September - Vanndale, AR
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in September
Vanndale, AR

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

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in September
Vanndale, AR

Average rainfall in September - Vanndale, AR
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is September (2.09").

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Average rainfall days in September
Vanndale, AR

Average rainfall days in September - Vanndale, AR
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is October (9.5 days).

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Average snowfall in September
Vanndale, AR

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

The months with the highest snowfall are January and February (0.63").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in September
Vanndale, AR

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

The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 9h and 5min

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

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Average sunshine days in September
Vanndale, AR

Average sunshine days in September - Vanndale, AR
  • Average sunshine days in September: 14.3 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index in September
Vanndale, AR

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

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

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Average cloud cover in September
Vanndale, AR

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

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 24).

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Average visibility in September
Vanndale, AR

Average visibility in September - Vanndale, 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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Vanndale, Arkansas, USA

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