September weather forecastReydell, AR
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Reydell, Arkansas, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 66.4°F (19.1°C).Temperature
Reydell in September witnesses an average high-temperature of a moderately hot 85.6°F (29.8°C), indicating a slight variation from August's 89.8°F (32.1°C). During the month of September, the nighttime temperature in Reydell falls to an average of 66.4°F (19.1°C).Heat index
The heat index value for September is estimated at a very hot 95°F (35°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gauges the sensation of temperature factoring in the air's moisture content. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. 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 meaningful 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.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
In September, the average relative humidity is 71%.Rainfall
The month with the least rainfall in Reydell is September, when the rain falls for 11.3 days and typically collects 1.89" (48mm) of precipitation.Snowfall
In Reydell, snow does not fall in April through November.Daylight
In Reydell, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:31 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:51 pm CDT.
Sunshine
The average sunshine in September is 9.8h.UV index
In Reydell, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Reydell, AR
- Average high temperature in September: 85.6°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50°F).
- Average low temperature in September: 66.4°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in September
Reydell, 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
Reydell, AR
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Reydell, AR
- Average humidity in September: 71%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Reydell, AR
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Reydell, AR
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in September
Reydell, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Reydell, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.1 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
Reydell, AR
- Average daylight in September: 12h and 24min
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 48min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Reydell, AR
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in September
Reydell, AR
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Reydell, AR
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in September
Reydell, 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).
