September weather forecast
Samples, AR

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Samples, Arkansas, with an average temperature varying between 85.8°F (29.9°C) and 65.1°F (18.4°C).

Temperature

The commencement of September indicates a gentle shift in the average high-temperature, receding from August's hot 91.9°F (33.3°C) to a warm 85.8°F (29.9°C). During September, Samples records a consistent average nighttime temperature of 65.1°F (18.4°C).

Heat index

During September, the heat index is estimated at a fiery hot 95°F (35°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

The average relative humidity in September is 72%.

Rainfall

In Samples, in September, during 11.6 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Samples, Arkansas, during the entire year, the rain falls for 152.2 days and collects up to 35.59" (904mm) of precipitation.

Snowfall

In Samples, snow does not fall in April through November.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:42 am and sunset at 7:34 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:53 pm CDT.

Sunshine

In September, the average sunshine in Samples is 9.4h.

UV index

The average daily maximum UV index in September in Samples is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the UV index of 6 transforms into the following advice:
Shun overexposure. Protection from sun ravages is indispensable. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

How hot does it get in Samples in September?

The average high-temperature, in September, in Samples, is 85.8°F (29.9°C), while the average low-temperature is 65.1°F (18.4°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 95°F (35°C).

What is the average humidity in September in Samples?

The average relative humidity in September is 72%.

How much does it rain in Samples in September?

In September, the rain falls for 11.6 days. Throughout September, 2.36" (60mm) of precipitation is accumulated.

When it does not snow in Samples?

In Samples, snow does not fall in April through November.

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

The average day length in September is 12h and 23min.

When are sunrise and sunset in September in Samples?

On the first day of September, sunrise is at 6:42 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:53 pm CDT.

How long on average sun shines in September in Samples?

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

How high is the UV index in September in Samples?

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health threat 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
Samples, AR

Average temperature in September - Samples, AR
  • Average high temperature in September: 85.8°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (50°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

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Average pressure in September
Samples, AR

Average pressure in September - Samples, AR
  • Average pressure in September: 30"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
Samples, AR

Average wind speed in September - Samples, AR
  • Average wind speed in September: 5.2mph

The windiest months (with the highest average wind speed) are March and April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Samples, AR

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

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in September
Samples, AR

Average rainfall in September - Samples, AR
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is April (4.41").
The driest month (with the least rainfall) is July (2.28").

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Average rainfall days in September
Samples, AR

Average rainfall days in September - Samples, AR
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in September
Samples, AR

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

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Samples, AR

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

The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in September
Samples, AR

Average sunshine days in September - Samples, AR
  • Average sunshine days in September: 16.4 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (13.3 days).

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Average UV index in September
Samples, AR

Average UV index in September - Samples, AR
  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
Samples, AR

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

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in September
Samples, AR

Average visibility in September - Samples, 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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Samples, Arkansas, USA

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