September weather forecast
Marshall, AR

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Weather in September

The first month of the autumn, September, is still a warm month in Marshall, Arkansas, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 61.3°F (16.3°C).

Temperature

September signifies a gentle decline in Marshall's average high-temperature, easing from a hot 88.3°F (31.3°C) in August to a moderately hot 81.5°F (27.5°C). Marshall experiences a mean temperature of 61.3°F (16.3°C) during September nights.

Heat index

The heat index in September is estimated at a tropical 86°F (30°C). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.

Humidity

In Marshall, the average relative humidity in September is 75%.

Rainfall

September is the month with the least rainfall in Marshall, Arkansas. Rain falls for 13.9 days and accumulates 2.44" (62mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Marshall, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:42 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:55 pm CDT.

Sunshine

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

UV index

In September, the average daily maximum UV index in Marshall is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What are the temperatures in Marshall in September?

In September, the average high-temperature and low-temperature are 81.5°F (27.5°C) and 61.3°F (16.3°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in September in Marshall?

The average relative humidity in September in Marshall, Arkansas, is 75%.

What is the driest month in Marshall?

The month with the least rainfall in Marshall, Arkansas, is September, when the rain falls for 13.9 days and typically collects 2.44" (62mm) of precipitation.

How many days does it rain in September in Marshall?

In Marshall, Arkansas, during September, the rain falls for 13.9 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow in Marshall?

April through October are months without snowfall.

How many hours of daylight does Marshall have in September?

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

When are sunrise and sunset in September in Marshall?

On the first day of September in Marshall, Arkansas, sunrise is at 6:42 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:55 pm CDT.

How long on average sun shines in September in Marshall?

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

What is the UV index reading in September in Marshall?

In Marshall, Arkansas, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Marshall, AR

Average temperature in September - Marshall, AR
  • Average high temperature in September: 81.5°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (45.3°F).

  • Average low temperature in September: 61.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in September
Marshall, AR

Average pressure in September - Marshall, AR
  • Average pressure in September: 30.02"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
Marshall, AR

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

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in September
Marshall, AR

Average humidity in September - Marshall, AR
  • Average humidity in September: 75%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
Marshall, AR

Average rainfall in September - Marshall, AR
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (2.44").

Average rainfall days in September
Marshall, AR

Average rainfall days in September - Marshall, AR
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in September
Marshall, AR

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

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Marshall, AR

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

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Marshall, 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 48min).

  • Average sunshine in September: 9h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 5h and 24min).

Average sunshine days in September
Marshall, AR

Average sunshine days in September - Marshall, AR
  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is January (19.3 days).
The months with the least sunshine days are July and August (10.8 days).

Average UV index in September
Marshall, AR

Average UV index in September - Marshall, AR
  • Average UV index in September: 5

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

Average cloud cover in September
Marshall, AR

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

The months with the most cloud cover are February and March (Cloud cover 45).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in September
Marshall, AR

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

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

Marshall, Arkansas, USA

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