September weather forecast
Hot Springs, AR

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Water falling over rocks in Hot Springs, Arkansas
Water falling over rocks in Hot Springs, Arkansas

Weather in September

September brings a definitive relief from the summer heat to Hot Springs. Temperatures gradually decline, with the highs taking a dip from the 90s to somewhere in the range of 63.7°F (17.6°C) and 84.9°F (29.4°C). The rainfall decreases by a small margin while the daylight hours start to shrink. The increased wind speed can make the temperature feel cooler, especially during evenings. This month also records the lowest amount of rainfall, receiving less than two inches on average.

Temperature

With the arrival of September, Hot Springs notices a mild change in the average high-temperature, sliding from August's tropical 91°F (32.8°C) to a moderately hot 84.9°F (29.4°C). Hot Springs records an average nighttime low of 63.7°F (17.6°C) in September.

Heat index

The heat index in September is calculated to be a hot 93.2°F (34°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In September, the average relative humidity is 73%.

Rainfall

The month with the least rainfall in Hot Springs is September, when the rain falls for 11.5 days and typically collects 1.93" (49mm) of precipitation.

Snowfall

In Hot Springs, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:45 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:57 pm CDT.

Sunshine

In September, the average sunshine 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 moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

How hot is it in Hot Springs in September?

In September, in Hot Springs, the average high-temperature is 84.9°F (29.4°C), and the average low-temperature is 63.7°F (17.6°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in September is calculated to be 93.2°F (34°C).

What is the average humidity in September in Hot Springs?

In Hot Springs, the average relative humidity in September is 73%.

What is the driest month in Hot Springs?

The month with the least rainfall in Hot Springs, Arkansas, is September, when the rain falls for 11.5 days and typically collects 1.93" (49mm) of precipitation.

How many days does it rain in September in Hot Springs?

In Hot Springs, in September, during 11.5 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

When it does not snow in Hot Springs?

In Hot Springs, snow does not fall in April through October.

What is the average length of the day in September in Hot Springs?

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

When are sunrise and sunset in September in Hot Springs?

In September, on the first day of the month, sunrise is at 6:45 am and sunset at 7:38 pm. On the last day of the month, in Hot Springs, Arkansas, sunrise is at 7:06 am and sunset at 6:57 pm CDT.

How long on average sun shines in September in Hot Springs?

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

How high is the UV index in September in Hot Springs?

In September, the average daily maximum UV index in Hot Springs, Arkansas, is 5. A UV Index of 3 to 5 symbolizes 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
Hot Springs, AR

Average temperature in September - Hot Springs, AR
  • Average high temperature in September: 84.9°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (49.3°F).

  • Average low temperature in September: 63.7°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

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Average pressure in September
Hot Springs, AR

Average pressure in September - Hot Springs, 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
Hot Springs, AR

Average wind speed in September - Hot Springs, AR
  • Average wind speed in September: 4.9mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in September
Hot Springs, AR

Average humidity in September - Hot Springs, AR
  • Average humidity in September: 73%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in September
Hot Springs, AR

Average rainfall in September - Hot Springs, AR
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in September
Hot Springs, AR

Average rainfall days in September - Hot Springs, AR
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is August (15.9 days).
The month with the least rainy days is January (9.2 days).

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Average snowfall in September
Hot Springs, AR

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

The month with the highest snowfall is February (0.94").
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
Hot Springs, AR

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

The month with the highest number of snowfall days is February (1.7 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
Hot Springs, AR

Average daylight in September / Average sunshine in September - Hot Springs, 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 July (Average sunshine: 10h and 18min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

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Average sunshine days in September
Hot Springs, AR

Average sunshine days in September - Hot Springs, AR
  • Average sunshine days in September: 16.8 days

The months with the most sunshine days are January and October (19.4 days).
The month with the least sunshine days is August (13.5 days).

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Average UV index in September
Hot Springs, AR

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

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

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Average cloud cover in September
Hot Springs, AR

Average cloud cover in September - Hot Springs, AR
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).

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Average visibility in September
Hot Springs, AR

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

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

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Hot Springs, Arkansas, USA

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