September weather forecast
Estes, AR

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Weather in September

The first month of the autumn, September, is still a warm month in Estes, Arkansas, with an average temperature varying between 85.3°F (29.6°C) and 65.1°F (18.4°C).

Temperature

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a hot 90.9°F (32.7°C) to a moderately hot 85.3°F (29.6°C). Estes experiences a mean temperature of 65.1°F (18.4°C) during September nights.

Heat index

The average heat index in September is appraised at a hot 93.2°F (34°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

The average relative humidity in September is 71%.

Rainfall

In Estes, Arkansas, during September, the rain falls for 10.5 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Estes, during the entire year, the rain falls for 133.5 days and collects up to 18.94" (481mm) of precipitation.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 23min.
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.

Sunshine

In Estes, the average sunshine in September is 9.8h.

UV index

In Estes, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 6 transforms into these recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September?

In September, the average high-temperature and low-temperature in Estes are 85.3°F (29.6°C) and 65.1°F (18.4°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is appraised at 93.2°F (34°C).

What is the average humidity in September?

In September, the average relative humidity is 71%.

How much does it rain in September?

In September, the rain falls for 10.5 days. Throughout September, 1.14" (29mm) of precipitation is accumulated.

When it does not snow?

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

How many hours of daylight does Estes have in September?

In September, the average day length is 12h and 23min.

When are sunrise and sunset in September?

In September, on the first day of the month, 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 many hours of sunshine does Estes have in September?

In Estes, Arkansas, the average sunshine duration in September is 9.8h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to 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
Estes, AR

Average temperature in September - Estes, AR
  • Average high temperature in September: 85.3°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 (48.7°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).

Average pressure in September
Estes, AR

Average pressure in September - Estes, 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).

Average wind speed in September
Estes, AR

Average wind speed in September - Estes, AR
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in September
Estes, AR

Average humidity in September - Estes, AR
  • Average humidity in September: 71%

The months with the highest relative humidity are March and December (77%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September
Estes, AR

Average rainfall in September - Estes, AR
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is April (2.24").
The driest month (with the least rainfall) is January (1.06").

Average rainfall days in September
Estes, AR

Average rainfall days in September - Estes, AR
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in September
Estes, AR

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

The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Estes, AR

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

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Estes, 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 5min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days in September
Estes, AR

Average sunshine days in September - Estes, AR
  • Average sunshine days in September: 17.8 days

The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in September
Estes, AR

Average UV index in September - Estes, 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).

Average cloud cover in September
Estes, AR

Average cloud cover in September - Estes, AR
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 25).

Average visibility in September
Estes, AR

Average visibility in September - Estes, 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).

Estes, Arkansas, USA

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