Average Weather in September in San Juan Daxthi Mexico
Daily high temperatures are around 71°F, rarely falling below 64°F or exceeding 76°F.
Daily low temperatures decrease by 2°F, from 53°F to 51°F, rarely falling below 45°F or exceeding 55°F.
For reference, on April 27, the hottest day of the year, temperatures in San Juan Daxthi typically range from 50°F to 78°F, while on January 7, the coldest day of the year, they range from 38°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 San Juan Daxthi experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 85% to 81%. 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 13, 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 San Juan Daxthi, the chance of a wet day over the course of September is very rapidly decreasing, starting the month at 62% and ending it at 44%.
For reference, the year's highest daily chance of a wet day is 70% on July 3, and its lowest chance is 2% on December 13.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in San Juan Daxthi is rapidly decreasing, starting the month at 4.0 inches, when it rarely exceeds 6.9 inches or falls below 1.9 inches, and ending the month at 2.8 inches, when it rarely exceeds 4.7 inches or falls below 1.1 inches.
The highest average 31-day accumulation is 4.0 inches on September 2.
Average Monthly Rainfall in September
Over the course of September in San Juan Daxthi, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 33 minutes, implying an average daily decrease of 1 minute, 8 seconds, and weekly decrease of 7 minutes, 54 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, 31 minutes of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in San Juan Daxthi is 7:22 AM on September 1 and the latest sunrise is 6 minutes later at 7:28 AM on September 30.
The latest sunset is 7:53 PM on September 1 and the earliest sunset is 26 minutes earlier at 7:26 PM on September 30.
Daylight saving time is observed in San Juan Daxthi 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 6:59 AM and sets 13 hours, 21 minutes later, at 8:20 PM, while on December 21, the shortest day of the year, it rises at 7:08 AM and sets 10 hours, 55 minutes later, at 6:03 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 San Juan Daxthi 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 San Juan Daxthi is essentially constant during September, remaining within 0.1 miles per hour of 7.3 miles per hour throughout.
For reference, on March 13, the windiest day of the year, the daily average wind speed is 7.5 miles per hour, while on December 1, the calmest day of the year, the daily average wind speed is 6.0 miles per hour.
The highest daily average wind speed during September is 7.3 miles per hour on September 20.
Average Wind Speed in September
The hourly average wind direction in San Juan Daxthi throughout September is predominantly from the east, with a peak proportion of 71% on September 1.
Wind Direction in September
The growing season in San Juan Daxthi typically lasts for 10 months (314 days), from around February 5 to around December 16, rarely starting after March 17, or ending before November 2.
The month of September in San Juan Daxthi 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 San Juan Daxthi are increasing during September, increasing by 292°F, from 2,565°F to 2,857°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in San Juan Daxthi 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 San Juan Daxthi are 20.098 deg latitude, -99.526 deg longitude, and 7,772 ft elevation.
The topography within 2 miles of San Juan Daxthi contains very significant variations in elevation, with a maximum elevation change of 1,119 feet and an average elevation above sea level of 7,811 feet. Within 10 miles contains very significant variations in elevation (3,566 feet). Within 50 miles also contains extreme variations in elevation (9,206 feet).
The area within 2 miles of San Juan Daxthi is covered by cropland (63%) and shrubs (19%), within 10 miles by shrubs (47%) and cropland (31%), and within 50 miles by cropland (32%) and shrubs (28%).
This report illustrates the typical weather in San Juan Daxthi, 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 4 weather stations near enough to contribute to our estimation of the temperature and dew point in San Juan Daxthi.
For each station, the records are corrected for the elevation difference between that station and San Juan Daxthi 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 San Juan Daxthi is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between San Juan Daxthi and a given station.
The stations contributing to this reconstruction are: Licenciado Adolfo López Mateos International Airport (29%, 85 kilometers, south); Benito Juárez International Airport (29%, 88 kilometers, southeast); Querétaro Intercontinental Airport (24%, 90 kilometers, northwest); and Tulancingo (18%, 121 kilometers, east).
Time zones for airports and weather stations are provided by AskGeo.com .