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
September's advent denotes a minor fluctuation in the average high-temperature to a warm 82°F (27.8°C) from August's 86.5°F (30.3°C). Dell experiences an average temperature drop to an enjoyable 64°F (17.8°C) during September nights.Heat index
The heat index for September is appraised at a hot 87.8°F (31°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
In Dell, the average relative humidity in September is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 2.36" (60mm) of precipitation.Snowfall
In Dell, snow does not fall in April through September.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:44 pm CDT.
Sunshine
The average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Prioritize safety - Suggestions to prevent sun damage are offered. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. 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
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Dell have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
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
Weather forecast for your location
2. Allow the app to use your location