September Weather in San Pedro Los Baños Mexico
Daily high temperatures are around 70°F, rarely falling below 65°F or exceeding 74°F.
Daily low temperatures decrease by 2°F, from 51°F to 49°F, rarely falling below 43°F or exceeding 54°F. The highest daily average low temperature is 51°F on September 2.
For reference, on May 11, the hottest day of the year, temperatures in San Pedro Los Baños typically range from 47°F to 75°F, while on January 8, the coldest day of the year, they range from 34°F to 66°F.
Average High and Low Temperature in September in San Pedro Los Baños
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 in San Pedro Los Baños
The month of September in San Pedro Los Baños experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 89% to 85%. The highest chance of overcast or mostly cloudy conditions is 90% on September 13.
The clearest day of the month is September 30, with clear, mostly clear, or partly cloudy conditions 15% of the time.
For reference, on September 13, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 90%, while on February 24, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 66%.
Cloud Cover Categories in September in San Pedro Los Baños
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 Pedro Los Baños, the chance of a wet day over the course of September is very rapidly decreasing, starting the month at 70% and ending it at 46%.
For reference, the year's highest daily chance of a wet day is 77% on July 14, and its lowest chance is 1% on December 8.
Probability of Precipitation in September in San Pedro Los Baños
The average sliding 31-day rainfall during September in San Pedro Los Baños is rapidly decreasing, starting the month at 4.5 inches, when it rarely exceeds 6.8 inches or falls below 2.3 inches, and ending the month at 2.7 inches, when it rarely exceeds 4.5 inches or falls below 1.1 inches.
Average Monthly Rainfall in September in San Pedro Los Baños
Over the course of September in San Pedro Los Baños, 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, 6 seconds, and weekly decrease of 7 minutes, 42 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 in San Pedro Los Baños
The earliest sunrise of the month in San Pedro Los Baños is 7:24 AM on September 1 and the latest sunrise is 6 minutes later at 7:29 AM on September 30.
The latest sunset is 7:53 PM on September 1 and the earliest sunset is 26 minutes earlier at 7:27 PM on September 30.
Daylight saving time is observed in San Pedro Los Baños 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 7:01 AM and sets 13 hours, 19 minutes later, at 8:20 PM, while on December 21, the shortest day of the year, it rises at 7:09 AM and sets 10 hours, 57 minutes later, at 6:06 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in September in San Pedro Los Baños
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 in San Pedro Los Baños
The chance that a given day will be muggy in San Pedro Los Baños is essentially constant during September, remaining around 0% throughout.
Humidity Comfort Levels in September in San Pedro Los Baños
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in San Pedro Los Baños is gradually increasing during September, increasing from 4.8 miles per hour to 5.4 miles per hour over the course of the month.
For reference, on March 24, the windiest day of the year, the daily average wind speed is 6.1 miles per hour, while on July 14, the calmest day of the year, the daily average wind speed is 4.3 miles per hour.
The highest daily average wind speed during September is 5.4 miles per hour on September 25.
Average Wind Speed in September in San Pedro Los Baños
The hourly average wind direction in San Pedro Los Baños throughout September is predominantly from the east, with a peak proportion of 65% on September 1.
Wind Direction in September in San Pedro Los Baños
The growing season in San Pedro Los Baños typically lasts for 8.6 months (265 days), from around March 3 to around November 23, rarely starting before January 26 or after March 31, and rarely ending before October 26 or after December 25.
The month of September in San Pedro Los Baños is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in September in San Pedro Los Baños
The average accumulated growing degree days in San Pedro Los Baños are increasing during September, increasing by 250°F, from 2,066°F to 2,317°F, over the course of the month.
Growing Degree Days in September in San Pedro Los Baños
The average daily incident shortwave solar energy in San Pedro Los Baños is essentially constant during September, remaining within 0.1 kWh of 5.6 kWh throughout.
Average Daily Incident Shortwave Solar Energy in September in San Pedro Los Baños
For the purposes of this report, the geographical coordinates of San Pedro Los Baños are 19.625 deg latitude, -99.822 deg longitude, and 8,291 ft elevation.
The topography within 2 miles of San Pedro Los Baños contains only modest variations in elevation, with a maximum elevation change of 108 feet and an average elevation above sea level of 8,324 feet. Within 10 miles contains only modest variations in elevation (4,577 feet). Within 50 miles also contains extreme variations in elevation (12,674 feet).
The area within 2 miles of San Pedro Los Baños is covered by cropland (98%), within 10 miles by cropland (72%) and shrubs (16%), and within 50 miles by cropland (38%) and trees (28%).
This report illustrates the typical weather in San Pedro Los Baños, 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 San Pedro Los Baños.
For each station, the records are corrected for the elevation difference between that station and San Pedro Los Baños 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 Pedro Los Baños is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between San Pedro Los Baños and a given station.
The stations contributing to this reconstruction are: Licenciado Adolfo López Mateos International Airport (MMTO, 85%, 42 kilometers, southeast) and Querétaro Intercontinental Airport (MMQT, 15%, 117 kilometers, north).
Time zones for airports and weather stations are provided by AskGeo.com .