Average Weather in September in Centerton Arkansas, United States
Daily high temperatures decrease by 11°F, from 86°F to 75°F, rarely falling below 65°F or exceeding 95°F.
Daily low temperatures decrease by 11°F, from 65°F to 54°F, rarely falling below 42°F or exceeding 71°F.
For reference, on July 24, the hottest day of the year, temperatures in Centerton typically range from 69°F to 90°F, while on January 6, the coldest day of the year, they range from 28°F to 46°F.
Average High and Low Temperature in September
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on September. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in September
Gevgelija, Macedonia (5,762 miles away); Gardabani, Georgia (6,485 miles); and Darzāb, Afghanistan (7,279 miles) are the far-away foreign places with temperatures most similar to Centerton (view comparison).
The month of September in Centerton experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 31% throughout the month.
The clearest day of the month is September 20, with clear, mostly clear, or partly cloudy conditions 70% of the time.
For reference, on February 12, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 50%, while on July 29, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 71%.
Cloud Cover Categories in September
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Centerton, the chance of a wet day over the course of September is essentially constant, remaining around 28% throughout.
For reference, the year's highest daily chance of a wet day is 43% on May 27, and its lowest chance is 14% on January 13.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in Centerton is increasing, starting the month at 3.4 inches, when it rarely exceeds 6.2 inches or falls below 1.1 inches, and ending the month at 3.9 inches, when it rarely exceeds 7.4 inches or falls below 1.1 inches.
The highest average 31-day accumulation is 4.0 inches on September 22.
Average Monthly Rainfall in September
Over the course of September in Centerton, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 6 minutes, implying an average daily decrease of 2 minutes, 16 seconds, and weekly decrease of 15 minutes, 53 seconds.
The shortest day of the month is September 30, with 11 hours, 51 minutes of daylight and the longest day is September 1, with 12 hours, 56 minutes of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in Centerton is 6:48 AM on September 1 and the latest sunrise is 23 minutes later at 7:11 AM on September 30.
The latest sunset is 7:44 PM on September 1 and the earliest sunset is 43 minutes earlier at 7:02 PM on September 30.
Daylight saving time is observed in Centerton during 2018, but it neither starts nor ends during September, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:59 AM and sets 14 hours, 39 minutes later, at 8:38 PM, while on December 21, the shortest day of the year, it rises at 7:24 AM and sets 9 hours, 41 minutes later, at 5:05 PM.
Sunrise & Sunset with Twilight in September
The chance that a given day will be muggy in Centerton is very rapidly decreasing during September, falling from 47% to 12% over the course of the month.
For reference, on July 22, the muggiest day of the year, there are muggy conditions 73% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in September
The average hourly wind speed in Centerton is gradually increasing during September, increasing from 5.4 miles per hour to 6.1 miles per hour over the course of the month.
For reference, on March 12, the windiest day of the year, the daily average wind speed is 8.3 miles per hour, while on August 3, the calmest day of the year, the daily average wind speed is 5.0 miles per hour.
Average Wind Speed in September
Wind Direction in September
The growing season in Centerton typically lasts for 6.6 months (203 days), from around April 8 to around October 28, rarely starting before March 19 or after April 26, and rarely ending before October 9 or after November 18.
The month of September in Centerton is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in September
The average accumulated growing degree days in Centerton are rapidly increasing during September, increasing by 560°F, from 3,382°F to 3,942°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in Centerton is decreasing during September, falling by 1.0 kWh, from 5.9 kWh to 4.9 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in September
For the purposes of this report, the geographical coordinates of Centerton are 36.360 deg latitude, -94.285 deg longitude, and 1,273 ft elevation.
The topography within 2 miles of Centerton contains only modest variations in elevation, with a maximum elevation change of 236 feet and an average elevation above sea level of 1,284 feet. Within 10 miles contains only modest variations in elevation (512 feet). Within 50 miles contains significant variations in elevation (1,824 feet).
The area within 2 miles of Centerton is covered by cropland (89%), within 10 miles by cropland (59%) and trees (30%), and within 50 miles by trees (50%) and cropland (45%).
This report illustrates the typical weather in Centerton year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Centerton.
For each station, the records are corrected for the elevation difference between that station and Centerton according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Centerton is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Centerton and a given station.
The stations contributing to this reconstruction are: Bentonville Municipal Airport (60%, 6 kilometers, east); Northwest Arkansas Regional Airport (37%, 9 kilometers, south); and Grove Municipal Airport (2.6%, 49 kilometers, northwest).
Time zones for aiports and weather stations are provided by AskGeo.com .