September weather forecast and climate
Avoca, AR

Weather in September

September, the first month of the autumn, in Avoca, is also a moderately hot month, with average temperature varying between 60.6°F (15.9°C) and 81.1°F (27.3°C).

Temperature

In September, the average high-temperature slightly decreases, from a hot 87.8°F (31°C) in August, to a moderately hot 81.1°F (27.3°C). In September, in Avoca, the average low-temperature is 60.6°F (15.9°C).

Heat index

In September, the average heat index is evaluated at 85.5°F (29.7°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
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', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Additional factors like clothing, differences in body mass, height, and shape, wind, 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. 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

In September, the average relative humidity is 73%.

Rainfall

In Avoca, during September, the rain falls for 13.5 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Avoca, during the entire year, the rain falls for 151 days and collects up to 33.39" (848mm) of precipitation.

Snowfall

June through October are months without snowfall in Avoca.

Daylight

The average length of the day in Avoca is 12.4h.

Sunshine

In September, the average sunshine is 9.5h.

UV index

In Avoca, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Avoca?

In Avoca, Arkansas, in September, the average high-temperature is 81.1°F (27.3°C), and the average low-temperature is 60.6°F (15.9°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, is evaluated at 85.5°F (29.7°C).

What is the average humidity in September in Avoca?

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

How much does it rain in Avoca in September?

In Avoca, in September, during 13.5 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

When it does not snow in Avoca?

June through October are months without snowfall.

How many hours of daylight does Avoca have in September?

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

How long on average sun shines in September in Avoca?

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

What is the UV index reading in September in Avoca?

The average daily maximum UV index in September in Avoca is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in September
Avoca, AR

Average temperature in September - Avoca, AR
  • Average high temperature in September: 81.1°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 (44.1°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 (28.2°F).

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Average pressure in September
Avoca, AR

Average pressure in September - Avoca, AR
  • Average pressure in September: 30.02"

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

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Average wind speed in September
Avoca, AR

Average wind speed in September - Avoca, AR
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in September
Avoca, AR

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

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Avoca, AR

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

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is February (1.81").

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Average rainfall days in September
Avoca, AR

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

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in September
Avoca, AR

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

The month with the highest snowfall is February (1.61").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Avoca, AR

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

The month with the highest number of snowfall days is February (4.7 days).
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
Avoca, AR

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

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 9.5h

Months with the most sunshine are July and August (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 5.4h).

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Average sunshine days in September
Avoca, AR

Average sunshine days in September - Avoca, AR
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in September
Avoca, AR

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

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

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Average cloud cover in September
Avoca, AR

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

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
Avoca, AR

Average visibility in September - Avoca, 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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