September weather forecast
Mayflower, AR

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Mayflower, Arkansas, with an average temperature fluctuating between 84.7°F (29.3°C) and 64.2°F (17.9°C).

Temperature

Mayflower experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a tropical 91.2°F (32.9°C) in August to a moderately hot 84.7°F (29.3°C). During September, Mayflower consistently records a temperature low averaging a comfortable 64.2°F (17.9°C).

Heat index

September's average heat index is calculated to be a tropical 93.2°F (34°C). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Heat index data is primarily for areas with shade and subjected to light winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', determines the feeling of heat when you account for the relative humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

The average relative humidity in September is 72%.

Rainfall

In Mayflower, in September, it is raining for 10.8 days, with typically 1.89" (48mm) of accumulated precipitation. In Mayflower, during the entire year, the rain falls for 136.8 days and collects up to 24.84" (631mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of the month, sunrise is at 6:43 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:54 pm CDT.

Sunshine

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

UV index

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 6 during September translates into these guidelines:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in September?

The high-temperature, in September, in Mayflower, records 84.7°F (29.3°C), while the low-temperature is 64.2°F (17.9°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is calculated to be 93.2°F (34°C).

What is the average humidity in September?

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

How many days does it rain in September?

In Mayflower, in September, it is raining for 10.8 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow?

April through November are months without snowfall.

What is the average length of the day 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 6:43 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:54 pm CDT.

How many hours of sunshine does Mayflower have in September?

The average sunshine duration in September is 9.4h.

How high is the UV index in September?

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Mayflower, AR

Average temperature in September - Mayflower, AR
  • Average high temperature in September: 84.7°F

The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (48.2°F).

  • Average low temperature in September: 64.2°F

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

Average pressure in September
Mayflower, AR

Average pressure in September - Mayflower, 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 (29.94"Hg).

Average wind speed in September
Mayflower, AR

Average wind speed in September - Mayflower, AR
  • Average wind speed in September: 5mph

The windiest months (with the highest average wind speed) are February, March and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in September
Mayflower, AR

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

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Mayflower, AR

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

The wettest month (with the highest rainfall) is April (2.8").
The driest month (with the least rainfall) is January (1.42").

Average rainfall days in September
Mayflower, AR

Average rainfall days in September - Mayflower, AR
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in September
Mayflower, AR

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

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Mayflower, AR

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

The month with the highest number of snowfall days is February (1.5 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
Mayflower, AR

Average daylight in September / Average sunshine in September - Mayflower, 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 54min).

  • Average sunshine in September: 9h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in September
Mayflower, AR

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

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (12.9 days).

Average UV index in September
Mayflower, AR

Average UV index in September - Mayflower, AR
  • Average UV index in September: 6

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
Mayflower, AR

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

The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are June and July (Cloud cover 27).

Average visibility in September
Mayflower, AR

Average visibility in September - Mayflower, 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).

Mayflower, Arkansas, USA

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