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 arrival subtly correlates with a reduction in the average high-temperature, down from a tropical 90.5°F (32.5°C) in August to a moderately hot 83.7°F (28.7°C). In the face of high daytime temperatures, Centerville witnesses a consistent average nighttime low of 61.7°F (16.5°C) during September.Heat index
For most parts of September, the heat index is evaluated at a tropical 91.4°F (33°C). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. 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 'apparent temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
In September, the average relative humidity is 74%.Rainfall
In September, the rain falls for 13.3 days. Throughout September, 2.4" (61mm) of precipitation is accumulated. In Centerville, during the entire year, the rain falls for 156 days and collects up to 37.56" (954mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Centerville, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:57 pm CDT.
Sunshine
The average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 6 in September translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Centerville have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Centerville have in September?
How high is the UV index in September?
Average temperature in September
Centerville, AR
- Average high temperature in September: 83.7°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in September
Centerville, 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
Centerville, AR
- Average wind speed in September: 4.4mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in September
Centerville, AR
- Average humidity in September: 74%
The months with the highest relative humidity are March and May (79%).
The months with the lowest relative humidity are July, August and October (73%).
Average rainfall in September
Centerville, AR
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is May (4.84").
The driest month (with the least rainfall) is January (2.32").
Average rainfall days in September
Centerville, AR
- Average rainfall days in September: 13.3 days
The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in September
Centerville, AR
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Centerville, AR
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Centerville, 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 months with the least sunshine are January and February (Average sunshine: 5h and 24min).
Average sunshine days in September
Centerville, AR
- Average sunshine days in September: 15 days
The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in September
Centerville, AR
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Centerville, AR
- Average cloud cover in September: 29
The months with the most cloud cover are February and March (Cloud cover 45).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility in September
Centerville, AR
- Average visibility in September: 6mi
The months with the highest visibility are February, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March, April, May and December (5mi).
Centerville, Arkansas, USA
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