September weather forecastDe Valls Bluff, AR
September
Weather in September
September, the first month of the autumn in De Valls Bluff, is still a warm month, with an average temperature ranging between max 83.8°F (28.8°C) and min 65.5°F (18.6°C).Temperature
September's onset records an average high-temperature of a moderately hot 83.8°F (28.8°C), a near match to August's 88.5°F (31.4°C). De Valls Bluff cools down to an average low-temperature of 65.5°F (18.6°C) throughout the month of September.Heat index
For September, the heat index is estimated at a hot 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In De Valls Bluff, the average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall. Rain falls for 11.8 days and accumulates 2.28" (58mm) of precipitation.Snowfall
In De Valls Bluff, 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 September, sunrise is at 6:39 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:50 pm CDT.
Sunshine
In De Valls Bluff, the average sunshine in September is 9.7h.UV index
In De Valls Bluff, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily UV index of 6 turns into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
De Valls Bluff, AR
- Average high temperature in September: 83.8°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in September
De Valls Bluff, AR
- Average pressure in September: 30"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
De Valls Bluff, AR
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
De Valls Bluff, AR
- Average humidity in September: 73%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
De Valls Bluff, AR
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is April (4.41").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in September
De Valls Bluff, AR
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is October (9.3 days).
Average snowfall in September
De Valls Bluff, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
De Valls Bluff, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
De Valls Bluff, AR
- Average daylight in September: 12h and 24min
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 42min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
De Valls Bluff, AR
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in September
De Valls Bluff, AR
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
De Valls Bluff, AR
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
De Valls Bluff, 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).
