Average Weather in September in La Esperanza (El Zapotal) Mexico
Daily high temperatures are around 88°F, rarely falling below 84°F or exceeding 93°F. The lowest daily average high temperature is 88°F on September 15.
Daily low temperatures are around 77°F, rarely falling below 75°F or exceeding 79°F.
For reference, on April 20, the hottest day of the year, temperatures in La Esperanza (El Zapotal) typically range from 79°F to 92°F, while on January 6, the coldest day of the year, they range from 74°F to 91°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 La Esperanza (El Zapotal) experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 89% throughout the month. 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 12% of the time.
For reference, on June 27, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 93%, while on January 27, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 79%.
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 La Esperanza (El Zapotal), the chance of a wet day over the course of September is rapidly decreasing, starting the month at 87% and ending it at 80%.
For reference, the year's highest daily chance of a wet day is 88% on September 11, and its lowest chance is 3% on January 1.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in La Esperanza (El Zapotal) is rapidly decreasing, starting the month at 13.9 inches, when it rarely exceeds 21.4 inches or falls below 6.4 inches, and ending the month at 12.8 inches, when it rarely exceeds 20.4 inches or falls below 4.1 inches.
The highest average 31-day accumulation is 14.4 inches on September 12.
Average Monthly Rainfall in September
Over the course of September in La Esperanza (El Zapotal), the length of the day is gradually decreasing. From the start to the end of the month, the length of the day decreases by 25 minutes, implying an average daily decrease of 51 seconds, and weekly decrease of 5 minutes, 58 seconds.
The shortest day of the month is September 30, with 12 hours, 0 minutes of daylight and the longest day is September 1, with 12 hours, 25 minutes of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in La Esperanza (El Zapotal) is 7:00 AM on September 1 and the latest sunrise is 2 minutes, 20 seconds later at 7:02 AM on September 30.
The latest sunset is 7:24 PM on September 1 and the earliest sunset is 22 minutes earlier at 7:02 PM on September 30.
Daylight saving time is observed in La Esperanza (El Zapotal) 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 6:43 AM and sets 13 hours, 3 minutes later, at 7:45 PM, while on December 21, the shortest day of the year, it rises at 6:34 AM and sets 11 hours, 13 minutes later, at 5:47 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in September
The chance that a given day will be muggy in La Esperanza (El Zapotal) is essentially constant during September, remaining around 100% throughout.
For reference, on July 8, the muggiest day of the year, there are muggy conditions 100% of the time, while on January 15, the least muggy day of the year, there are muggy conditions 87% 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 La Esperanza (El Zapotal) is essentially constant during September, remaining within 0.2 miles per hour of 6.3 miles per hour throughout.
For reference, on January 13, the windiest day of the year, the daily average wind speed is 9.0 miles per hour, while on July 25, the calmest day of the year, the daily average wind speed is 5.7 miles per hour.
Average Wind Speed in September
Wind Direction in September
La Esperanza (El Zapotal) 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 La Esperanza (El Zapotal) is essentially constant during September, remaining within 1°F of 86°F throughout.
Average Water Temperature in September
Temperatures in La Esperanza (El Zapotal) 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 La Esperanza (El Zapotal) are very rapidly increasing during September, increasing by 907°F, from 7,769°F to 8,676°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in La Esperanza (El Zapotal) is essentially constant during September, remaining within 0.1 kWh of 4.4 kWh throughout.
The lowest average daily incident shortwave solar energy during September is 4.3 kWh on September 16.
Average Daily Incident Shortwave Solar Energy in September
For the purposes of this report, the geographical coordinates of La Esperanza (El Zapotal) are 15.449 deg latitude, -93.164 deg longitude, and 13 ft elevation.
The topography within 2 miles of La Esperanza (El Zapotal) is essentially flat, with a maximum elevation change of 85 feet and an average elevation above sea level of 17 feet. Within 10 miles is essentially flat (279 feet). Within 50 miles contains only modest variations in elevation (9,751 feet).
The area within 2 miles of La Esperanza (El Zapotal) is covered by water (45%), mangroves (32%), and cropland (14%), within 10 miles by water (50%) and cropland (37%), and within 50 miles by water (49%) and cropland (26%).
This report illustrates the typical weather in La Esperanza (El Zapotal) 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 La Esperanza (El Zapotal).
For each station, the records are corrected for the elevation difference between that station and La Esperanza (El Zapotal) 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 La Esperanza (El Zapotal) is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between La Esperanza (El Zapotal) and a given station.
The stations contributing to this reconstruction are: Tapachula International Airport (62%, 112 kilometers, southeast) and General Div P A Angel H Corzo Molina (38%, 144 kilometers, north).
Time zones for aiports and weather stations are provided by AskGeo.com .