September weather forecastHeubner, AR
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Heubner, Arkansas, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 63.7°F (17.6°C).Temperature
An average high-temperature of a moderately hot 82°F (27.8°C) marks September, exhibiting a close resemblance to the conditions in August. September nights in Heubner cool down to an average low-temperature of 63.7°F (17.6°C).Heat index
The average heat index in September is estimated at a tropical 87.8°F (31°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Heat index determinations are made taking into account the shade and light air movements. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In September, the average relative humidity in Heubner is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.73" (44mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 6:33 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:45 pm CDT.
Sunshine
The average sunshine in September is 9.8h.UV index
The average daily maximum UV index in September in Heubner is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Heubner, 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 (43.7°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in September
Heubner, AR
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Heubner, 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).
Average humidity in September
Heubner, 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%).
Average rainfall in September
Heubner, AR
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Heubner, AR
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Heubner, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Heubner, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Heubner, AR
- Average daylight in September: 12h and 24min
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 48min
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 54min).
Average sunshine days in September
Heubner, AR
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is December (19.4 days).
The month with the least sunshine days is May (13 days).
Average UV index in September
Heubner, AR
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Heubner, AR
- Average cloud cover in September: 26
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).
Average visibility in September
Heubner, 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).
