Average Weather in September in San Miguel Tlacotepec Mexico
Daily high temperatures are around 72°F, rarely falling below 68°F or exceeding 76°F. The lowest daily average high temperature is 72°F on September 22.
Daily low temperatures are around 55°F, rarely falling below 49°F or exceeding 58°F. The highest daily average low temperature is 55°F on September 13.
For reference, on April 17, the hottest day of the year, temperatures in San Miguel Tlacotepec typically range from 56°F to 86°F, while on January 13, the coldest day of the year, they range from 47°F to 76°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
Mbeya, Tanzania (9,137 miles away); Jimma, Ethiopia (8,909 miles); and Adi Keyh, Eritrea (8,784 miles) are the far-away foreign places with temperatures most similar to San Miguel Tlacotepec (view comparison).
The month of September in San Miguel Tlacotepec experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 88% throughout the month. The highest chance of overcast or mostly cloudy conditions is 91% on September 15.
The clearest day of the month is September 30, with clear, mostly clear, or partly cloudy conditions 14% of the time.
For reference, on June 30, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 91%, while on February 24, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 69%.
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 Miguel Tlacotepec, the chance of a wet day over the course of September is very rapidly decreasing, starting the month at 74% and ending it at 56%.
For reference, the year's highest daily chance of a wet day is 74% on September 4, and its lowest chance is 2% on December 8.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in San Miguel Tlacotepec is rapidly decreasing, starting the month at 7.0 inches, when it rarely exceeds 11.0 inches or falls below 3.5 inches, and ending the month at 5.3 inches, when it rarely exceeds 9.4 inches or falls below 2.2 inches.
The highest average 31-day accumulation is 7.1 inches on September 5.
Average Monthly Rainfall in September
Over the course of September in San Miguel Tlacotepec, 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, 47 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, 27 minutes of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in San Miguel Tlacotepec is 7:18 AM on September 1 and the latest sunrise is 4 minutes later at 7:22 AM on September 30.
The latest sunset is 7:45 PM on September 1 and the earliest sunset is 24 minutes earlier at 7:21 PM on September 30.
Daylight saving time is observed in San Miguel Tlacotepec 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 6:58 AM and sets 13 hours, 10 minutes later, at 8:09 PM, while on December 21, the shortest day of the year, it rises at 6:57 AM and sets 11 hours, 5 minutes later, at 6:02 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 Miguel Tlacotepec is essentially constant during September, remaining around 0% throughout.
For reference, on October 4, the muggiest day of the year, there are muggy conditions 0% 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
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in San Miguel Tlacotepec is essentially constant during September, remaining within 0.2 miles per hour of 4.8 miles per hour throughout.
For reference, on March 9, the windiest day of the year, the daily average wind speed is 6.1 miles per hour, while on June 3, the calmest day of the year, the daily average wind speed is 4.3 miles per hour.
Average Wind Speed in September
The hourly average wind direction in San Miguel Tlacotepec throughout September is predominantly from the east, with a peak proportion of 69% on September 1.
Wind Direction in September
San Miguel Tlacotepec is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in San Miguel Tlacotepec is essentially constant during September, remaining around 86°F throughout.
Average Water Temperature in September
Temperatures in San Miguel Tlacotepec 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 San Miguel Tlacotepec are increasing during September, increasing by 365°F, from 3,587°F to 3,953°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in San Miguel Tlacotepec is essentially constant during September, remaining within 0.1 kWh of 5.4 kWh throughout.
The lowest average daily incident shortwave solar energy during September is 5.4 kWh on September 14.
Average Daily Incident Shortwave Solar Energy in September
For the purposes of this report, the geographical coordinates of San Miguel Tlacotepec are 17.456 deg latitude, -98.005 deg longitude, and 5,689 ft elevation.
The topography within 2 miles of San Miguel Tlacotepec contains large variations in elevation, with a maximum elevation change of 2,425 feet and an average elevation above sea level of 6,088 feet. Within 10 miles contains large variations in elevation (5,377 feet). Within 50 miles also contains extreme variations in elevation (10,443 feet).
The area within 2 miles of San Miguel Tlacotepec is covered by shrubs (58%), cropland (25%), and trees (12%), within 10 miles by shrubs (62%) and trees (26%), and within 50 miles by trees (41%) and shrubs (36%).
This report illustrates the typical weather in San Miguel Tlacotepec, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
San Miguel Tlacotepec is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.
The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of San Miguel Tlacotepec, according to the International Standard Atmosphere .
Time zones for airports and weather stations are provided by AskGeo.com .