September weather forecast
Lowell, AR

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Weather in September

September, the first month of the autumn in Lowell, is also a moderately hot month, with an average temperature varying between 60.6°F (15.9°C) and 81°F (27.2°C).

Temperature

The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's tropical 88°F (31.1°C) to a moderately hot 81°F (27.2°C). During September, Lowell observes a consistent average nighttime temperature of 60.6°F (15.9°C).

Heat index

September's heat index is evaluated at 84.2°F (29°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in September in Lowell is 73%.

Rainfall

In Lowell, Arkansas, during September, the rain falls for 14 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Lowell, during the entire year, the rain falls for 161.1 days and collects up to 34.09" (866mm) of precipitation.

Snowfall

In Lowell, snow does not fall in June through October.

Daylight

In September, the average length of the day in Lowell is 12h and 24min.
On the first day of September, sunrise is at 6:48 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 7:01 pm CDT.

Sunshine

In September, the average sunshine is 9.5h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

What is the temperature in September in Lowell?

In September, the average high-temperature and low-temperature in Lowell, Arkansas, are 81°F (27.2°C) and 60.6°F (15.9°C) respectively. In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 84.2°F (29°C).

What is the average humidity in September in Lowell?

The average relative humidity in September in Lowell is 73%.

How much does it rain in Lowell in September?

In September, in Lowell, the rain falls for 14 days. Throughout September, 2.48" (63mm) of precipitation is accumulated.

When it does not snow in Lowell?

June through October are months without snowfall.

How many hours of daylight does Lowell have in September?

The average day length in September is 12h and 24min.

When are sunrise and sunset in September in Lowell?

In September, on the first day of the month, sunrise is at 6:48 am and sunset at 7:43 pm. On the last day of the month, in Lowell, sunrise is at 7:11 am and sunset at 7:01 pm CDT.

How many hours of sunshine does Lowell have in September?

The average sunshine duration in September in Lowell, Arkansas, is 9.5h.

What is the UV index reading in September in Lowell?

The average daily maximum UV index in September in Lowell, Arkansas, is 5. A UV Index reading of 3 to 5 represents a medium health risk 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
Lowell, AR

Average temperature in September - Lowell, AR
  • Average high temperature in September: 81°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 (44.4°F).

  • Average low temperature in September: 60.6°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

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Average pressure in September
Lowell, AR

Average pressure in September - Lowell, 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 (29.93"Hg).

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Average wind speed in September
Lowell, AR

Average wind speed in September - Lowell, AR
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in September
Lowell, AR

Average humidity in September - Lowell, AR
  • Average humidity in September: 73%

The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are August and October (72%).

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Average rainfall in September
Lowell, AR

Average rainfall in September - Lowell, AR
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is February (1.81").

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Average rainfall days in September
Lowell, AR

Average rainfall days in September - Lowell, AR
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (8.7 days).

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Average snowfall in September
Lowell, AR

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

The month with the highest snowfall is February (2.05").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Lowell, AR

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

The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Lowell, 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 42min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

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Average sunshine days in September
Lowell, AR

Average sunshine days in September - Lowell, AR
  • Average sunshine days in September: 14.1 days

The months with the most sunshine days are January and December (18.5 days).
The month with the least sunshine days is July (10.5 days).

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Average UV index in September
Lowell, AR

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in September
Lowell, AR

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

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in September
Lowell, AR

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

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