Average Weather in September in Zapotlán de Juárez Mexico
Daily high temperatures are around 71°F, rarely falling below 63°F or exceeding 76°F.
Daily low temperatures are around 52°F, rarely falling below 46°F or exceeding 56°F. The highest daily average low temperature is 53°F on September 5.
For reference, on April 26, the hottest day of the year, temperatures in Zapotlán de Juárez typically range from 52°F to 77°F, while on January 13, the coldest day of the year, they range from 41°F to 68°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 Zapotlán de Juárez experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 84% throughout the month. The highest chance of overcast or mostly cloudy conditions is 86% on September 15.
The clearest day of the month is September 30, with clear, mostly clear, or partly cloudy conditions 19% of the time.
For reference, on September 14, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 86%, while on February 24, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 67%.
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 Zapotlán de Juárez, the chance of a wet day over the course of September is very rapidly decreasing, starting the month at 77% and ending it at 58%.
For reference, the year's highest daily chance of a wet day is 80% on July 4, and its lowest chance is 6% on December 26.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in Zapotlán de Juárez is rapidly decreasing, starting the month at 6.4 inches, when it rarely exceeds 9.7 inches or falls below 3.7 inches, and ending the month at 5.2 inches, when it rarely exceeds 8.4 inches or falls below 2.4 inches.
The highest average 31-day accumulation is 6.4 inches on September 6.
Average Monthly Rainfall in September
Over the course of September in Zapotlán de Juárez, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 32 minutes, implying an average daily decrease of 1 minute, 7 seconds, and weekly decrease of 7 minutes, 51 seconds.
The shortest day of the month is September 30, with 11 hours, 58 minutes of daylight and the longest day is September 1, with 12 hours, 30 minutes of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in Zapotlán de Juárez is 7:19 AM on September 1 and the latest sunrise is 6 minutes later at 7:26 AM on September 30.
The latest sunset is 7:50 PM on September 1 and the earliest sunset is 26 minutes earlier at 7:24 PM on September 30.
Daylight saving time is observed in Zapotlán de Juárez during 2021, 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 6:57 AM and sets 13 hours, 20 minutes later, at 8:17 PM, while on December 21, the shortest day of the year, it rises at 7:06 AM and sets 10 hours, 55 minutes later, at 6:01 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in September
The figure below presents a compact representation of key lunar data for September 2021. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.
Moon Rise, Set & Phases in September
The chance that a given day will be muggy in Zapotlán de Juárez is essentially constant during September, remaining around 0% throughout.
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 Zapotlán de Juárez is essentially constant during September, remaining within 0.1 miles per hour of 6.8 miles per hour throughout.
For reference, on July 21, the windiest day of the year, the daily average wind speed is 7.0 miles per hour, while on December 3, the calmest day of the year, the daily average wind speed is 5.5 miles per hour.
Average Wind Speed in September
The hourly average wind direction in Zapotlán de Juárez throughout September is predominantly from the east, with a peak proportion of 67% on September 1.
Wind Direction in September
While it does not do so every year, freezing temperatures are seen in Zapotlán de Juárez over some winters. The day least likely to be in the growing season is January 3, with a 55% chance.
Time Spent in Various Temperature Bands and the Growing Season in September
The average accumulated growing degree days in Zapotlán de Juárez are increasing during September, increasing by 301°F, from 2,651°F to 2,952°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in Zapotlán de Juárez is essentially constant during September, remaining within 0.1 kWh of 6.0 kWh throughout.
Average Daily Incident Shortwave Solar Energy in September
For the purposes of this report, the geographical coordinates of Zapotlán de Juárez are 19.977 deg latitude, -98.864 deg longitude, and 7,808 ft elevation.
The topography within 2 miles of Zapotlán de Juárez contains significant variations in elevation, with a maximum elevation change of 597 feet and an average elevation above sea level of 7,790 feet. Within 10 miles contains significant variations in elevation (2,372 feet). Within 50 miles contains large variations in elevation (10,961 feet).
The area within 2 miles of Zapotlán de Juárez is covered by grassland (85%), within 10 miles by grassland (65%) and shrubs (16%), and within 50 miles by cropland (29%) and shrubs (27%).
This report illustrates the typical weather in Zapotlán de Juárez, 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Zapotlán de Juárez.
For each station, the records are corrected for the elevation difference between that station and Zapotlán de Juárez 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 Zapotlán de Juárez is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Zapotlán de Juárez and a given station.
Time zones for airports and weather stations are provided by AskGeo.com .