September weather forecast
Sand Gap, AR

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Sand Gap, Arkansas, with an average temperature fluctuating between 61.3°F (16.3°C) and 81.5°F (27.5°C).

Temperature

The arrival of September is marked by a minor reduction in average high-temperature, sliding from a hot 88.3°F (31.3°C) in August to a warm 81.5°F (27.5°C). Sand Gap records an average nighttime low of 61.3°F (16.3°C) in September.

Heat index

The heat index value for September is computed to be a tropical 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

The average relative humidity in September is 75%.

Rainfall

September is the month with the least rainfall in Sand Gap. Rain falls for 13.9 days and accumulates 2.44" (62mm) of precipitation.

Snowfall

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

Daylight

In Sand Gap, the average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:45 am and sunset at 7:39 pm. On the last day of September, in Sand Gap, Arkansas, sunrise is at 7:07 am and sunset at 6:57 pm CDT.

Sunshine

The average sunshine in September is 9.4h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the temperature in September in Sand Gap?

Sand Gap in September has an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 61.3°F (16.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in September is computed to be 86°F (30°C).

What is the average humidity in September in Sand Gap?

In Sand Gap, Arkansas, the average relative humidity in September is 75%.

What is the driest month in Sand Gap?

September is the month with the least rainfall in Sand Gap, Arkansas. Rain falls for 13.9 days and accumulates 2.44" (62mm) of precipitation.

How many days does it rain in September in Sand Gap?

In Sand Gap, Arkansas, in September, during 13.9 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When it does not snow in Sand Gap?

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

What is the average length of the day in September in Sand Gap?

In Sand Gap, Arkansas, the average day length in September is 12h and 23min.

When is the sunrise / sunset in September in Sand Gap?

In September, on the first day of the month, sunrise is at 6:45 am and sunset at 7:39 pm. On the last day of the month, in Sand Gap, Arkansas, sunrise is at 7:07 am and sunset at 6:57 pm CDT.

How long on average sun shines in September in Sand Gap?

In September, the average sunshine duration in Sand Gap is 9.4h.

What is the UV index reading in September in Sand Gap?

In Sand Gap, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Sand Gap, AR

Average temperature in September - Sand Gap, AR
  • Average high temperature in September: 81.5°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 (45.3°F).

  • Average low temperature in September: 61.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).

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Average pressure in September
Sand Gap, AR

Average pressure in September - Sand Gap, 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 (29.94"Hg).

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Average wind speed in September
Sand Gap, AR

Average wind speed in September - Sand Gap, AR
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in September
Sand Gap, AR

Average humidity in September - Sand Gap, AR
  • Average humidity in September: 75%

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

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Average rainfall in September
Sand Gap, AR

Average rainfall in September - Sand Gap, AR
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (2.44").

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Average rainfall days in September
Sand Gap, AR

Average rainfall days in September - Sand Gap, AR
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.8 days).

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Average snowfall in September
Sand Gap, AR

Average snowfall in September - Sand Gap, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Sand Gap, AR

Average snowfall days in September - Sand Gap, AR
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.5 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
Sand Gap, AR

Average daylight in September / Average sunshine in September - Sand Gap, 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 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 5h and 24min).

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Average sunshine days in September
Sand Gap, AR

Average sunshine days in September - Sand Gap, AR
  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is January (19.3 days).
The months with the least sunshine days are July and August (10.8 days).

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Average UV index in September
Sand Gap, AR

Average UV index in September - Sand Gap, AR
  • Average UV index in September: 5

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

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Average cloud cover in September
Sand Gap, AR

Average cloud cover in September - Sand Gap, AR
  • Average cloud cover in September: 29

The months with the most cloud cover are February and March (Cloud cover 45).
The months with the least cloud cover are June and August (Cloud cover 28).

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Average visibility in September
Sand Gap, AR

Average visibility in September - Sand Gap, AR
  • Average visibility in September: 6mi

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

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Sand Gap, Arkansas, USA

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