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
Dell's average high-temperature marks a moderately hot 82°F (27.8°C) with the advent of September, closely mirroring that of the preceding month. In September, the average low-temperature is an enjoyable 64°F (17.8°C).Heat index
In September, the heat index is calculated to be a hot 87.8°F (31°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. 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 quite important for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
Humidity
The average relative humidity in September in Dell, Arkansas, is 74%.Rainfall
The month with the least rainfall in Dell is September, when the rain falls for 12.5 days and typically collects 2.36" (60mm) of precipitation.Snowfall
April through September are months without snowfall in Dell, Arkansas.Daylight
In Dell, the average length of the day in September is 12h and 23min.On the first day of September in Dell, sunrise is at 6:32 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:44 pm CDT.
Sunshine
The average sunshine in September in Dell is 9.5h.UV index
In September, the average daily maximum UV index in Dell, Arkansas, is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the average September temperature in Dell?
What is the average humidity in September in Dell?
What is the driest month in Dell?
How many days does it rain in September in Dell?
When it does not snow in Dell?
Does it snow in Dell in September?
What is the average length of the day in September in Dell?
When is the sunrise / sunset in September in Dell?
How long on average sun shines in September in Dell?
What is the UV index intensity in September in Dell?
Average temperature in September
Dell, AR
- Average high temperature in September: 82°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (32.4°F).
Average pressure in September
Dell, AR
- Average pressure in September: 30.01"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
Dell, AR
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Dell, AR
- Average humidity in September: 74%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Dell, AR
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is March (4.29").
The driest month (with the least rainfall) is September (2.36").
Average rainfall days in September
Dell, AR
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.8 days).
The months with the least rainy days are January and November (9.8 days).
Average snowfall in September
Dell, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Dell, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Dell, AR
- Average daylight in September: 12h and 2min
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 48min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Dell, AR
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is August (11.5 days).
Average UV index in September
Dell, AR
- Average UV index in September: 5
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
Dell, AR
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Dell, 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).
Dell, Arkansas, USA
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