Average Weather in September in Ahuexotitlán Mexico
Daily high temperatures are around 76°F, rarely falling below 70°F or exceeding 81°F. The lowest daily average high temperature is 76°F on September 14.
Daily low temperatures are around 55°F, rarely falling below 50°F or exceeding 58°F.
For reference, on April 18, the hottest day of the year, temperatures in Ahuexotitlán typically range from 51°F to 83°F, while on January 14, the coldest day of the year, they range from 45°F to 75°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
The month of September in Ahuexotitlán experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 90% throughout the month. The highest chance of overcast or mostly cloudy conditions is 92% on September 15.
The clearest day of the month is September 30, with clear, mostly clear, or partly cloudy conditions 12% of the time.
For reference, on June 30, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 92%, while on February 24, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 70%.
Cloud Cover Categories in September
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Ahuexotitlán, the chance of a wet day over the course of September is very rapidly decreasing, starting the month at 77% and ending it at 59%.
For reference, the year's highest daily chance of a wet day is 77% on August 31, and its lowest chance is 1% on December 8.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in Ahuexotitlán is rapidly decreasing, starting the month at 7.1 inches, when it rarely exceeds 10.6 inches or falls below 3.5 inches, and ending the month at 5.2 inches, when it rarely exceeds 8.2 inches or falls below 2.4 inches.
The highest average 31-day accumulation is 7.2 inches on September 4.
Average Monthly Rainfall in September
Over the course of September in Ahuexotitlán, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 28 minutes, implying an average daily decrease of 58 seconds, and weekly decrease of 6 minutes, 49 seconds.
The shortest day of the month is September 30, with 11 hours, 59 minutes of daylight and the longest day is September 1, with 12 hours, 28 minutes of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in Ahuexotitlán is 7:23 AM on September 1 and the latest sunrise is 4 minutes later at 7:27 AM on September 30.
The latest sunset is 7:50 PM on September 1 and the earliest sunset is 24 minutes earlier at 7:26 PM on September 30.
Daylight saving time is observed in Ahuexotitlán 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 7:03 AM and sets 13 hours, 11 minutes later, at 8:14 PM, while on December 21, the shortest day of the year, it rises at 7:02 AM and sets 11 hours, 5 minutes later, at 6:07 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in September
The chance that a given day will be muggy in Ahuexotitlán is gradually decreasing during September, falling from 20% to 16% over the course of the month.
For reference, on August 20, the muggiest day of the year, there are muggy conditions 21% of the time, while on February 19, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in September
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Ahuexotitlán is essentially constant during September, remaining around 4.0 miles per hour throughout.
For reference, on April 19, the windiest day of the year, the daily average wind speed is 5.9 miles per hour, while on August 14, the calmest day of the year, the daily average wind speed is 3.8 miles per hour.
Average Wind Speed in September
Wind Direction in September
Temperatures in Ahuexotitlán are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.
Time Spent in Various Temperature Bands and the Growing Season in September
The average accumulated growing degree days in Ahuexotitlán are increasing during September, increasing by 416°F, from 3,566°F to 3,982°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in Ahuexotitlán is essentially constant during September, remaining within 0.1 kWh of 5.2 kWh throughout.
Average Daily Incident Shortwave Solar Energy in September
For the purposes of this report, the geographical coordinates of Ahuexotitlán are 17.528 deg latitude, -99.244 deg longitude, and 5,466 ft elevation.
The topography within 2 miles of Ahuexotitlán contains large variations in elevation, with a maximum elevation change of 2,776 feet and an average elevation above sea level of 5,497 feet. Within 10 miles contains large variations in elevation (5,135 feet). Within 50 miles also contains extreme variations in elevation (9,698 feet).
The area within 2 miles of Ahuexotitlán is covered by cropland (63%) and shrubs (37%), within 10 miles by shrubs (50%) and cropland (41%), and within 50 miles by trees (41%) and cropland (29%).
This report illustrates the typical weather in Ahuexotitlán 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 is only a single weather station, General Juan N. Álvarez International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Ahuexotitlán.
At a distance of 102 kilometers from Ahuexotitlán, closer than our threshold of 150 kilometers, this station is deemed sufficiently nearby to be relied upon as our primary source for temperature and dew point records.
The station records are corrected for the elevation difference between the station and Ahuexotitlán according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis.
Time zones for aiports and weather stations are provided by AskGeo.com .