September weather forecast
Sulphur Springs, AR

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Sulphur Springs, Arkansas, with an average temperature ranging between max 81.7°F (27.6°C) and min 61.5°F (16.4°C).

Temperature

September is marked by a subtle drop in average high-temperatures, transitioning from a hot 88.9°F (31.6°C) in August to a warm 81.7°F (27.6°C). The average temperature during September nights in Sulphur Springs is registered at a comfortable 61.5°F (16.4°C).

Heat index

Throughout September, the heat index is estimated at a tropical 86°F (30°C). One might feel worn out with persistent exposure and activity, resulting in heat cramps.
Consider that heat index readings are for situations in the shade and light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

In September, the average relative humidity is 73%.

Rainfall

In September, in Sulphur Springs, the rain falls for 11.3 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. In Sulphur Springs, during the entire year, the rain falls for 139.7 days and collects up to 31.02" (788mm) of precipitation.

Snowfall

In Sulphur Springs, Arkansas, snow does not fall in June through October.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:49 am and sunset at 7:45 pm. On the last day of September, in Sulphur Springs, sunrise is at 7:12 am and sunset at 7:02 pm CDT.

Sunshine

In Sulphur Springs, the average sunshine in September is 9.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 5 in September leads to these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What are September temperatures in Sulphur Springs?

During September, Sulphur Springs experiences an average high-temperature of 81.7°F (27.6°C) and a low-temperature of 61.5°F (16.4°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in September is estimated at 86°F (30°C).

What is the average humidity in September in Sulphur Springs?

In September, the average relative humidity is 73%.

How much does it rain in Sulphur Springs in September?

In Sulphur Springs, Arkansas, in September, during 11.3 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow in Sulphur Springs?

June through October are months without snowfall in Sulphur Springs, Arkansas.

How many hours of daylight does Sulphur Springs have in September?

In Sulphur Springs, the average day length in September is 12h and 24min.

When is the sunrise / sunset in September in Sulphur Springs?

On the first day of September, sunrise is at 6:49 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:02 pm CDT.

How many hours of sunshine does Sulphur Springs have in September?

In September, the average sunshine duration in Sulphur Springs is 9.3h.

What is the UV index intensity in September in Sulphur Springs?

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Sulphur Springs, AR

Average temperature in September - Sulphur Springs, AR
  • Average high temperature in September: 81.7°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (44.4°F).

  • Average low temperature in September: 61.5°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in September
Sulphur Springs, AR

Average pressure in September - Sulphur Springs, AR
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and June (29.93"Hg).

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Average wind speed in September
Sulphur Springs, AR

Average wind speed in September - Sulphur Springs, AR
  • Average wind speed in September: 7.3mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in September
Sulphur Springs, AR

Average humidity in September - Sulphur Springs, 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 (70%).

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Average rainfall in September
Sulphur Springs, AR

Average rainfall in September - Sulphur Springs, AR
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.89").

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Average rainfall days in September
Sulphur Springs, AR

Average rainfall days in September - Sulphur Springs, AR
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (15.5 days).
The months with the least rainy days are January and November (8.5 days).

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Average snowfall in September
Sulphur Springs, AR

Average snowfall in September - Sulphur Springs, AR
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Sulphur Springs, AR

Average snowfall days in September - Sulphur Springs, AR
  • Average snowfall days in September: 0 days

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

Average daylight in September / Average sunshine in September - Sulphur Springs, AR
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

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Average sunshine days in September
Sulphur Springs, AR

Average sunshine days in September - Sulphur Springs, AR
  • Average sunshine days in September: 17.8 days

The month with the most sunshine days is December (19.2 days).
The months with the least sunshine days are March and April (13.3 days).

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Average UV index in September
Sulphur Springs, AR

Average UV index in September - Sulphur Springs, AR
  • Average UV index in September: 5

The month with the highest UV index is July (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
Sulphur Springs, AR

Average cloud cover in September - Sulphur Springs, AR
  • Average cloud cover in September: 28

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in September
Sulphur Springs, AR

Average visibility in September - Sulphur Springs, AR
  • Average visibility in September: 6mi

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

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Sulphur Springs, Arkansas, USA

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