September weather forecast
Greenway, AR

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Greenway, Arkansas, with an average temperature ranging between max 82°F (27.8°C) and min 63.3°F (17.4°C).

Temperature

The onset of September brings with it an average high-temperature of a warm 82°F (27.8°C), showing a negligible variation from the month before. Throughout September, Greenway records an average temperature of 63.3°F (17.4°C) at night.

Heat index

Throughout September, the heat index is appraised at a hot 87.8°F (31°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

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

Rainfall

The month with the least rainfall in Greenway is September, when the rain falls for 12.5 days and typically collects 1.89" (48mm) of precipitation.

Snowfall

In Greenway, snow does not fall in April through September.

Daylight

The average length of the day in September in Greenway is 12h and 24min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:28 pm. On the last day of September, in Greenway, sunrise is at 6:55 am and sunset at 6:45 pm CDT.

Sunshine

The average sunshine in September is 9.7h.

UV index

In Greenway, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 5 during September leads to these advisories:
Take precautions - Protection against skin and eye damage is obliged. It's recommended to limit sun exposure when its radiation is at its peak during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
[Resources]

Frequently asked questions

What are the temperatures in Greenway in September?

The high-temperature, in September, in Greenway, is 82°F (27.8°C), while the low-temperature averages to 63.3°F (17.4°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is appraised at 87.8°F (31°C).

What is the average humidity in September in Greenway?

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

What is the driest month in Greenway?

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.89" (48mm) of precipitation.

How many days does it rain in September in Greenway?

In Greenway, during September, the rain falls for 12.5 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When it does not snow in Greenway?

In Greenway, Arkansas, snow does not fall in April through September.

Does it snow in Greenway in September?

In Greenway, in September, it doesn't snow. In October, it regularly snows.

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

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

What time are sunrise and sunset in September in Greenway?

On the first day of September in Greenway, Arkansas, sunrise is at 6:32 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:45 pm CDT.

How many hours of sunshine does Greenway have in September?

In September, the average sunshine duration is 9.7h.

What is the UV index reading in September in Greenway?

The average daily maximum UV index in September in Greenway is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe 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
Greenway, AR

Average temperature in September - Greenway, AR
  • Average high temperature in September: 82°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (43.3°F).

  • Average low temperature in September: 63.3°F

The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

[Resources]

Average pressure in September
Greenway, AR

Average pressure in September - Greenway, 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).

[Resources]

Average wind speed in September
Greenway, AR

Average wind speed in September - Greenway, AR
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

[Resources]

Average humidity in September
Greenway, AR

Average humidity in September - Greenway, 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 (68%).

[Resources]

Average rainfall in September
Greenway, AR

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

The wettest month (with the highest rainfall) is April (4.57").
The driest month (with the least rainfall) is September (1.89").

[Resources]

Average rainfall days in September
Greenway, AR

Average rainfall days in September - Greenway, AR
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (9.5 days).

[Resources]

Average snowfall in September
Greenway, AR

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

The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August and September (0").

[Resources]

Average snowfall days in September
Greenway, AR

Average snowfall days in September - Greenway, 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).

[Resources]

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

Average daylight in September / Average sunshine in September - Greenway, 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

[Resources]

Average sunshine days in September
Greenway, AR

Average sunshine days in September - Greenway, AR
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is July (12.3 days).

[Resources]

Average UV index in September
Greenway, AR

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

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).

[Resources]

Average cloud cover in September
Greenway, AR

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

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 24).

[Resources]

Average visibility in September
Greenway, AR

Average visibility in September - Greenway, 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).

[Resources]

Greenway, Arkansas, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location