September weather forecast and climate
Williford, AR

Weather in September

The first month of the autumn, September, is still a warm month in Williford, Arkansas, with average temperature varying between 81.9°F (27.7°C) and 61.7°F (16.5°C).

Temperature

In September, the average high-temperature marginally drops, from a tropical 89.1°F (31.7°C) in August, to a moderately hot 81.9°F (27.7°C). In September, in Williford, the average low-temperature is 61.7°F (16.5°C).

Heat index

In September, the average heat index is calculated to a tropical 87.1°F (30.6°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 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like clothing, differences in body mass, height, and shape, metabolic differences, 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. 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 Williford is 74%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.1 days and accumulates 1.73" (44mm) of precipitation.

Snowfall

In Williford snow does not fall in April through October.

Daylight

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

Sunshine

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

UV index

In Williford, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Williford?

In Williford, Arkansas, in September, the average high-temperature is 81.9°F (27.7°C), and the average low-temperature is 61.7°F (16.5°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), that calculates temperature value influenced by the moisture in the air, is calculated to 87.1°F (30.6°C).

What is the average humidity in September in Williford?

The average relative humidity in September in Williford is 74%.

How many days does it rain in September in Williford?

In Williford, during September, the rain falls for 12.1 days and regularly aggregates up to 1.73" (44mm) of precipitation.

What is the driest month in Williford?

September is the month with the least rainfall. Rain falls for 12.1 days and accumulates 1.73" (44mm) of precipitation.

When it does not snow in Williford?

In Williford, Arkansas, snow does not fall in April through October.

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

The average length of the day in September in Williford, Arkansas, is 12.4h.

How many hours of sunshine does Williford have in September?

In September, the average sunshine in Williford, Arkansas, is 9.5h.

What is the UV index reading in September in Williford?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in September
Williford, AR

Average temperature in September - Williford, AR
  • Average high temperature in September: 81.9°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (44.1°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in September
Williford, AR

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

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in September
Williford, AR

Average wind speed in September - Williford, AR
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in September
Williford, AR

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

Months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Williford, AR

Average rainfall in September - Williford, AR
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in September
Williford, AR

Average rainfall days in September - Williford, AR
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall in September
Williford, AR

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

The month with the highest snowfall is March (1.34").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Williford, AR

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

The month with the highest number of snowfall days is February (2.8 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Williford, 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

The month with the most sunshine is June (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 5h).

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Average sunshine days in September
Williford, AR

Average sunshine days in September - Williford, AR
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is May (12.7 days).

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Average UV index in September
Williford, AR

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

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in September
Williford, AR

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

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in September
Williford, AR

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

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

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