September weather forecast
Cummins, AR

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Weather in September

September, the first month of the autumn in Cummins, is still a warm month, with an average temperature ranging between min 66.4°F (19.1°C) and max 85.6°F (29.8°C).

Temperature

The transition into September reveals an average high-temperature of a moderately hot 85.6°F (29.8°C), mirroring a close resemblance to August. The low-temperature average for Cummins during September stands at an enjoyable 66.4°F (19.1°C).

Heat index

In September, the heat index is computed to be a fiery hot 95°F (35°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely vital to babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

In September, the average relative humidity is 71%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 1.89" (48mm) of precipitation.

Snowfall

April through November are months without snowfall in Cummins.

Daylight

In September, the average length of the day in Cummins is 12h and 22min.
On the first day of the month, sunrise is at 6:40 am and sunset at 7:31 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:51 pm CDT.

Sunshine

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

UV index

In Cummins, Arkansas, 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 the ordinary person.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

How hot is September in Cummins?

The high-temperature during September is 85.6°F (29.8°C) and the low-temperature is 66.4°F (19.1°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 95°F (35°C).

What is the average humidity in September in Cummins?

The average relative humidity in September is 71%.

What is the driest month in Cummins?

September is the month with the least rainfall in Cummins. Rain falls for 11.3 days and accumulates 1.89" (48mm) of precipitation.

How much does it rain in Cummins in September?

In Cummins, in September, it is raining for 11.3 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow in Cummins?

April through November are months without snowfall in Cummins, Arkansas.

What is the average length of the day in September in Cummins?

The average day length in September is 12h and 22min.

What time are sunrise and sunset in September in Cummins?

On the first day of September in Cummins, Arkansas, sunrise is at 6:40 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:51 pm CDT.

How long on average sun shines in September in Cummins?

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

How high is the UV index in September in Cummins?

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

Average temperature in September - Cummins, AR
  • Average high temperature in September: 85.6°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50°F).

  • Average low temperature in September: 66.4°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).

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Average pressure in September
Cummins, AR

Average pressure in September - Cummins, 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
Cummins, AR

Average wind speed in September - Cummins, AR
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in September
Cummins, AR

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

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in September
Cummins, AR

Average rainfall in September - Cummins, AR
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in September
Cummins, AR

Average rainfall days in September - Cummins, AR
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (9 days).

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Average snowfall in September
Cummins, AR

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

The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Cummins, AR

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

The month with the highest number of snowfall days is February (1.1 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
Cummins, AR

Average daylight in September / Average sunshine in September - Cummins, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in September
Cummins, AR

Average sunshine days in September - Cummins, AR
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (13.4 days).

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Average UV index in September
Cummins, AR

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in September
Cummins, AR

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

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in September
Cummins, AR

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

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