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 introduction of September notes a subtle temperature variation to a moderately hot 83.8°F (28.8°C) from August's 88.5°F (31.4°C). The month of September records an average low-temperature of 65.5°F (18.6°C) in De Valls Bluff.Heat index
During September, the heat index is estimated at a tropical 91.4°F (33°C). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. 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 are extremely significant for babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In September, the average relative humidity is 73%.Rainfall
September is the month with the least rainfall in De Valls Bluff, Arkansas. Rain falls for 11.8 days and accumulates 2.28" (58mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In De Valls Bluff, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:31 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:50 pm CDT.
Sunshine
In September, the average sunshine in De Valls Bluff is 9.7h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
Is it hot in De Valls Bluff during September?
What is the average humidity in September in De Valls Bluff?
What is the driest month in De Valls Bluff?
How much does it rain in De Valls Bluff in September?
When it does not snow in De Valls Bluff?
What is the average length of the day in September in De Valls Bluff?
When is the sunrise / sunset in September in De Valls Bluff?
How many hours of sunshine does De Valls Bluff have in September?
How high is the UV index in September in De Valls Bluff?
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 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 54min).
- 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: 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).
De Valls Bluff, Arkansas, USA
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