September weather forecastAvoca, AR
September
Weather in September
The first month of the autumn, September, is still a warm month in Avoca, Arkansas, with an average temperature fluctuating between 81.1°F (27.3°C) and 60.6°F (15.9°C).Temperature
Avoca's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's hot 87.8°F (31°C) to a warm 81.1°F (27.3°C). Avoca's September nights cool down to an average low-temperature of 60.6°F (15.9°C).Heat index
September's mean heat index is computed to be a tropical 86°F (30°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.Be advised, the heat index considers values for conditions in shade and with a light breeze. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In Avoca, the average relative humidity in September is 73%.Rainfall
In September, the rain falls for 13.5 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. In Avoca, during the entire year, the rain falls for 151 days and collects up to 33.39" (848mm) of precipitation.Snowfall
June through October are months without snowfall in Avoca.Daylight
The average length of the day in September in Avoca is 12h and 24min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:43 pm. On the last day of September, sunrise is at 7:11 am and sunset at 7:00 pm CDT.
Sunshine
In Avoca, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 5 suggests this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Avoca, AR
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in September
Avoca, AR
- Average pressure in September: 30.02"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
Avoca, AR
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Avoca, AR
- Average humidity in September: 73%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Avoca, AR
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days in September
Avoca, AR
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Avoca, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Avoca, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Avoca, 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 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Avoca, AR
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in September
Avoca, AR
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Avoca, AR
- Average cloud cover in September: 27
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Avoca, 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).





