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
In September, the average high-temperature marginally drops from a tropical 91.4°F (33°C) in August to a warm 84°F (28.9°C). Cecil's average low-temperature of 62.4°F (16.9°C) in September reflects a considerable decline from the daytime peak.Heat index
The heat index value for September is evaluated at a hot 91.4°F (33°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
In Cecil, the average relative humidity in September is 72%.Rainfall
In Cecil, in September, during 9.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Cecil, during the entire year, the rain falls for 139.2 days and collects up to 34.57" (878mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September in Cecil is 12h and 23min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:10 am and sunset at 7:00 pm CDT.
Sunshine
The average sunshine in September in Cecil is 9.3h.UV index
In Cecil, Arkansas, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
How hot is it in Cecil in September?
What is the average humidity in September in Cecil?
How much does it rain in Cecil in September?
When it does not snow in Cecil?
What is the average length of the day in September in Cecil?
When is the sunrise / sunset in September in Cecil?
How many hours of sunshine does Cecil have in September?
How high is the UV index in September in Cecil?
Average temperature in September
Cecil, AR
- Average high temperature in September: 84°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in September
Cecil, 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 (29.93"Hg).
Average wind speed in September
Cecil, AR
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).
Average humidity in September
Cecil, AR
- Average humidity in September: 72%
The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in September
Cecil, AR
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is July (2.17").
Average rainfall days in September
Cecil, AR
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Cecil, AR
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Cecil, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Cecil, 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 48min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Cecil, AR
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is December (20.1 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in September
Cecil, 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
Cecil, AR
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Cecil, AR
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are April and May (5mi).
Cecil, Arkansas, USA
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