September weather forecast
Yellville, AR

Weather in September

September, the first month of the autumn in Yellville, is still a warm month, with an average temperature fluctuating between 82.4°F (28°C) and 60.1°F (15.6°C).

Temperature

In September, the average high-temperature marginally drops from a hot 89.8°F (32.1°C) in August to a warm 82.4°F (28°C). In Yellville, in September, the average low-temperature is 60.1°F (15.6°C).

Heat index

In September, the average heat index is computed to be a tropical 88.2°F (31.2°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 'feels like', 'real feel', 'apparent temperature', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors like clothing, metabolic differences, pregnancy, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact and may raise the 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 Yellville, the average relative humidity in September is 74%.

Rainfall

September is the month with the least rainfall in Yellville. Rain falls for 11.4 days and accumulates 1.81" (46mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 6:42 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:56 pm CDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

The average daily maximum UV index in September in Yellville is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Yellville?

In September, the average high-temperature is 82.4°F (28°C), and the average low-temperature is 60.1°F (15.6°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is computed to be 88.2°F (31.2°C).

What is the average humidity in September in Yellville?

In September, the average relative humidity is 74%.

What is the driest month in Yellville?

September is the month with the least rainfall in Yellville. Rain falls for 11.4 days and accumulates 1.81" (46mm) of precipitation.

How many days does it rain in September in Yellville?

In Yellville, in September, during 11.4 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

When it does not snow in Yellville?

In Yellville, Arkansas, snow does not fall in May through October.

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

The average day length in September in Yellville is 12h and 24min.

When are sunrise and sunset in September in Yellville?

In September, on the first day of the month, sunrise is at 6:42 am and sunset at 7:38 pm. On the last day of the month, in Yellville, sunrise is at 7:05 am and sunset at 6:56 pm CDT.

How many hours of sunshine does Yellville have in September?

The average sunshine duration in September in Yellville is 9.3h.

How high is the UV index in September in Yellville?

In Yellville, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Yellville, AR

Average temperature in September - Yellville, AR
  • Average high temperature in September: 82.4°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in September: 60.1°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

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Average pressure in September
Yellville, AR

Average pressure in September - Yellville, 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
Yellville, AR

Average wind speed in September - Yellville, AR
  • Average wind speed in September: 4.7mph

The windiest months (with the highest average wind speed) are February and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

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Average humidity in September
Yellville, AR

Average humidity in September - Yellville, AR
  • Average humidity in September: 74%

The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July, August and October (73%).

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Average rainfall in September
Yellville, AR

Average rainfall in September - Yellville, AR
  • Average rainfall in September: 1.81"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in September
Yellville, AR

Average rainfall days in September - Yellville, AR
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and December (8 days).

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Average snowfall in September
Yellville, AR

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

The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Yellville, AR

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

The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Yellville, 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 44min).

  • Average sunshine in September: 9h and 18min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

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Average sunshine days in September
Yellville, AR

Average sunshine days in September - Yellville, AR
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is December (21.4 days).
The months with the least sunshine days are May and August (13.6 days).

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Average UV index in September
Yellville, AR

Average UV index in September - Yellville, 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, February and December (UV index 2).

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Average cloud cover in September
Yellville, AR

Average cloud cover in September - Yellville, AR
  • Average cloud cover in September: 31

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 29).

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Average visibility in September
Yellville, AR

Average visibility in September - Yellville, AR
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, June, October, November and December (6mi).
The months with the lowest visibility are March, April, May, July, August and September (5mi).

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