September weather forecast and climate
Fallis, AR

Weather in September

September, the first month of the autumn, in Fallis, is still a warm month, with average temperature fluctuating between 82.4°F (28°C) and 64°F (17.8°C).

Temperature

In September, the average high-temperature is essentially the same as in August - a warm 82.4°F (28°C). In Fallis, the average low-temperature is 64°F (17.8°C).

Heat index

The average heat index in September is appraised at a hot 87.6°F (30.9°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise 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', 'real feel', or 'felt air temperature', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like pregnancy, wind, clothing, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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 is 72%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 1.57" (40mm) of precipitation.

Snowfall

April through September are months without snowfall in Fallis.

Daylight

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

Sunshine

In Fallis, the average sunshine is 9.8h.

UV index

The average daily maximum UV index in Fallis is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
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. 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 Fallis?

In September, in Fallis, the average high-temperature is 82.4°F (28°C), and the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), that takes the relative humidity and factores it into the air temperature reading, in September is calculated to 87.6°F (30.9°C).

What is the average humidity in September in Fallis?

In September, the average relative humidity in Fallis is 72%.

How many days does it rain in September in Fallis?

In September, the rain falls for 11.3 days. Throughout September, 1.57" (40mm) of precipitation is accumulated.

What is the driest month in Fallis?

The month with the least rainfall is September when the rain falls for 11.3 days and typically collects 1.57" (40mm) of precipitation.

Does it snow in Fallis in September?

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

When it does not snow in Fallis?

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

How many hours of daylight does Fallis have in September?

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

How long on average sun shines in September in Fallis?

The average sunshine in September in Fallis is 9.8h.

What is the UV index intensity in September in Fallis?

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

Average temperature in September
Fallis, AR

Average temperature in September - Fallis, AR
  • Average high temperature in September: 82.4°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 (45.1°F).

  • Average low temperature in September: 64°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 (32°F).

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Average pressure in September
Fallis, AR

Average pressure in September - Fallis, AR
  • Average pressure in September: 30.01"

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
Fallis, AR

Average wind speed in September - Fallis, AR
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in September
Fallis, AR

Average humidity in September - Fallis, AR
  • Average humidity in September: 72%

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
Fallis, AR

Average rainfall in September - Fallis, AR
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in September
Fallis, AR

Average rainfall days in September - Fallis, AR
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall in September
Fallis, AR

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

The month with the highest snowfall is February (0.87").
Months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in September
Fallis, AR

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

Months with the highest number of snowfall days are January and February (1.8 days).
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
Fallis, AR

Average daylight in September / Average sunshine in September - Fallis, 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: 9.8h).

  • Average sunshine in September: 9.8h

The month with the most sunshine is June (Average sunshine: 10.9h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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Average sunshine days in September
Fallis, AR

Average sunshine days in September - Fallis, AR
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (12.5 days).

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Average UV index in September
Fallis, AR

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

Months with the highest UV index are June and July (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
Fallis, AR

Average cloud cover in September - Fallis, AR
  • Average cloud cover in September: 26

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
Fallis, AR

Average visibility in September - Fallis, 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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