Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The transition from August to September sees an average high-temperature of a moderately hot 82.2°F (27.9°C), indicating a minor variance from the prior month. In September, the temperature in Walnut Grove Corner drops to an average of 64°F (17.8°C) at night.Heat index
September's heat index is evaluated at a hot 87.8°F (31°C). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Heat index guidelines indicate values are for light wind scenarios and shaded regions. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In September, the average relative humidity is 74%.Rainfall
September is the month with the least rainfall in Walnut Grove Corner. Rain falls for 13 days and accumulates 2.56" (65mm) of precipitation.Snowfall
In Walnut Grove Corner, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:47 pm CDT.
Sunshine
In Walnut Grove Corner, the average sunshine in September is 9.6h.UV index
In Walnut Grove Corner, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What is the usual temperature for Walnut Grove Corner in September?
What is the average humidity in September in Walnut Grove Corner?
What is the driest month in Walnut Grove Corner?
How much does it rain in Walnut Grove Corner in September?
When it does not snow in Walnut Grove Corner?
What is the average length of the day in September in Walnut Grove Corner?
When is the sunrise / sunset in September in Walnut Grove Corner?
How many hours of sunshine does Walnut Grove Corner have in September?
What is the UV index reading in September in Walnut Grove Corner?
Average temperature in September
Walnut Grove Corner, AR
- Average high temperature in September: 82.2°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in September
Walnut Grove Corner, 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).
Average wind speed in September
Walnut Grove Corner, AR
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Walnut Grove Corner, AR
- Average humidity in September: 74%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Walnut Grove Corner, AR
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is September (2.56").
Average rainfall days in September
Walnut Grove Corner, AR
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Walnut Grove Corner, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Walnut Grove Corner, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Walnut Grove Corner, 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 48min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Walnut Grove Corner, AR
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Walnut Grove Corner, 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 and December (UV index 2).
Average cloud cover in September
Walnut Grove Corner, 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 24).
Average visibility in September
Walnut Grove Corner, 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).
Walnut Grove Corner, Arkansas, USA
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