Average Weather in September in Las Lomas de Tacamichapan Mexico
Daily high temperatures are around 89°F, rarely falling below 84°F or exceeding 93°F.
Daily low temperatures are around 77°F, rarely falling below 74°F or exceeding 79°F.
For reference, on May 10, the hottest day of the year, temperatures in Las Lomas de Tacamichapan typically range from 78°F to 96°F, while on January 18, the coldest day of the year, they range from 69°F to 80°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 Las Lomas de Tacamichapan experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 89% to 84%. The highest chance of overcast or mostly cloudy conditions is 90% on September 15.
The clearest day of the month is September 30, with clear, mostly clear, or partly cloudy conditions 16% 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 20, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 73%.
Cloud Cover Categories in September
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Las Lomas de Tacamichapan, the chance of a wet day over the course of September is decreasing, starting the month at 75% and ending it at 69%.
For reference, the year's highest daily chance of a wet day is 76% on September 12, and its lowest chance is 12% on March 23.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in Las Lomas de Tacamichapan is increasing, starting the month at 11.9 inches, when it rarely exceeds 17.8 inches or falls below 6.6 inches, and ending the month at 12.5 inches, when it rarely exceeds 19.3 inches or falls below 5.2 inches.
The highest average 31-day accumulation is 13.0 inches on September 22.
Average Monthly Rainfall in September
Over the course of September in Las Lomas de Tacamichapan, the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 29 minutes, implying an average daily decrease of 60 seconds, and weekly decrease of 6 minutes, 57 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 Las Lomas de Tacamichapan is 7:04 AM on September 1 and the latest sunrise is 4 minutes later at 7:09 AM on September 30.
The latest sunset is 7:32 PM on September 1 and the earliest sunset is 24 minutes earlier at 7:08 PM on September 30.
Daylight saving time is observed in Las Lomas de Tacamichapan 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 6:44 AM and sets 13 hours, 12 minutes later, at 7:56 PM, while on December 21, the shortest day of the year, it rises at 6:45 AM and sets 11 hours, 4 minutes later, at 5:48 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in September
The chance that a given day will be muggy in Las Lomas de Tacamichapan is essentially constant during September, remaining around 100% throughout.
For reference, on June 9, the muggiest day of the year, there are muggy conditions 100% of the time, while on January 13, the least muggy day of the year, there are muggy conditions 77% of the time.
Humidity Comfort Levels in September
The average hourly wind speed in Las Lomas de Tacamichapan is increasing during September, increasing from 6.6 miles per hour to 7.8 miles per hour over the course of the month.
For reference, on April 4, the windiest day of the year, the daily average wind speed is 9.2 miles per hour, while on August 27, the calmest day of the year, the daily average wind speed is 6.5 miles per hour.
Average Wind Speed in September
Wind Direction in September
Las Lomas de Tacamichapan 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 Las Lomas de Tacamichapan is essentially constant during September, remaining around 84°F throughout.
The highest average surface water temperature during September is 84°F on September 10.
Average Water Temperature in September
Temperatures in Las Lomas de Tacamichapan 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 Las Lomas de Tacamichapan are very rapidly increasing during September, increasing by 925°F, from 7,254°F to 8,179°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in Las Lomas de Tacamichapan is essentially constant during September, remaining within 0.1 kWh of 4.5 kWh throughout.
The lowest average daily incident shortwave solar energy during September is 4.4 kWh on September 13.
Average Daily Incident Shortwave Solar Energy in September
For the purposes of this report, the geographical coordinates of Las Lomas de Tacamichapan are 17.866 deg latitude, -94.708 deg longitude, and 23 ft elevation.
The topography within 2 miles of Las Lomas de Tacamichapan contains only modest variations in elevation, with a maximum elevation change of 148 feet and an average elevation above sea level of 28 feet. Within 10 miles also contains only modest variations in elevation (256 feet). Within 50 miles contains only modest variations in elevation (5,472 feet).
The area within 2 miles of Las Lomas de Tacamichapan is covered by cropland (84%) and water (12%), within 10 miles by cropland (95%), and within 50 miles by cropland (79%) and water (13%).
This report illustrates the typical weather in Las Lomas de Tacamichapan 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 are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Las Lomas de Tacamichapan.
For each station, the records are corrected for the elevation difference between that station and Las Lomas de Tacamichapan 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 Las Lomas de Tacamichapan is computed as the weighted average of the individual contributions from each station, in addition to a contribution from the MERRA-2 reconstruction, corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Las Lomas de Tacamichapan.
The station weigths are proportional to the inverse of the distance between Las Lomas de Tacamichapan and a given station.
The weight assigned to the MERRA-2 value depends on the distance from Las Lomas de Tacamichapan to the nearest station, increasing from 0% at 150 kilometers to 100% at 200 kilometers. In this case, the MERRA-2 weight is 21%.
Time zones for aiports and weather stations are provided by AskGeo.com .