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 beginning of September subtly marks a decrease in the average high-temperature, transitioning from a tropical 91°F (32.8°C) in August to a warm 84.6°F (29.2°C). Throughout September, De Roche's nights cool down to an average of 63.7°F (17.6°C).Heat index
Throughout September, the heat index is computed to be a hot 93.2°F (34°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.Be informed that the heat index values are oriented around shady conditions and gentle breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
In De Roche, the average relative humidity in September is 74%.Rainfall
In De Roche, during September, the rain falls for 11.9 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, there are 148.1 rainfall days, and 33.78" (858mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in De Roche, Arkansas.Daylight
In September, the average length of the day in De Roche is 12h and 23min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:37 pm. On the last day of September, in De Roche, sunrise is at 7:06 am and sunset at 6:57 pm CDT.
Sunshine
In De Roche, Arkansas, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index in De Roche is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
Is it hot in De Roche during September?
What is the average humidity in September in De Roche?
How many days does it rain in September in De Roche?
When it does not snow in De Roche?
How many hours of daylight does De Roche have in September?
When is the sunrise / sunset in September in De Roche?
How long on average sun shines in September in De Roche?
What is the UV index intensity in September in De Roche?
Average temperature in September
De Roche, AR
- Average high temperature in September: 84.6°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (49.3°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in September
De Roche, 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 Roche, AR
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
De Roche, AR
- Average humidity in September: 74%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
De Roche, AR
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in September
De Roche, AR
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is August (15.9 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in September
De Roche, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
De Roche, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 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
De Roche, AR
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in September
De Roche, AR
- Average sunshine days in September: 16.5 days
The months with the most sunshine days are January and October (19.4 days).
The month with the least sunshine days is August (13.5 days).
Average UV index in September
De Roche, AR
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
De Roche, AR
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 30).
Average visibility in September
De Roche, AR
- Average visibility in September: 6mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
De Roche, Arkansas, USA
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