September weather forecast
Branch, AR

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Weather in September

September, the first month of the autumn in Branch, is also a moderately hot month, with an average temperature fluctuating between 84.4°F (29.1°C) and 62.4°F (16.9°C).

Temperature

September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a tropical 91.4°F (33°C) in August to a moderately hot 84.4°F (29.1°C). In Branch, the average temperature during the nights of September marks a significant drop from the daily high, settling at a comfortable 62.4°F (16.9°C).

Heat index

The heat index value for September is estimated at a hot 91.4°F (33°C). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. 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 Branch, the average relative humidity in September is 72%.

Rainfall

In September, the rain falls for 10.3 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. In Branch, during the entire year, the rain falls for 123.9 days and collects up to 20.94" (532mm) of precipitation.

Snowfall

In Branch, 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 6:48 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:10 am and sunset at 7:00 pm CDT.

Sunshine

In September, the average sunshine is 9.4h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

How hot is it in September?

In September, in Branch, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 62.4°F (16.9°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in September is estimated at 91.4°F (33°C).

What is the average humidity in September?

In Branch, the average relative humidity in September is 72%.

How many days does it rain in September?

In September, the rain falls for 10.3 days. Throughout September, 1.85" (47mm) of precipitation is accumulated.

When it does not snow in Branch?

In Branch, Arkansas, snow does not fall in April through November.

How many hours of daylight does Branch have in September?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:48 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 7:00 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9.4h.

How high is the UV index in September?

In September, the average daily maximum UV index 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
Branch, AR

Average temperature in September - Branch, AR
  • Average high temperature in September: 84.4°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 (48°F).

  • Average low temperature in September: 62.4°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure in September
Branch, AR

Average pressure in September - Branch, AR
  • Average pressure in September: 30.01"Hg

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

Average wind speed in September
Branch, AR

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

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in September
Branch, AR

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

The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are July and August (70%).

Average rainfall in September
Branch, AR

Average rainfall in September - Branch, AR
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (0.91").

Average rainfall days in September
Branch, AR

Average rainfall days in September - Branch, AR
  • Average rainfall days in September: 10.3 days

The months with the highest number of rainy days are May and July (13.3 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in September
Branch, AR

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

The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Branch, AR

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

The month with the highest number of snowfall days is February (1.6 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
Branch, AR

Average daylight in September / Average sunshine in September - Branch, 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 month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

Average sunshine days in September
Branch, AR

Average sunshine days in September - Branch, AR
  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (14.8 days).

Average UV index in September
Branch, AR

Average UV index in September - Branch, 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).

Average cloud cover in September
Branch, AR

Average cloud cover in September - Branch, AR
  • Average cloud cover in September: 28

The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in September
Branch, AR

Average visibility in September - Branch, AR
  • Average visibility in September: 6mi

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

Branch, Arkansas, USA

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