Average Weather in September in 31 de Octubre Mexico
Daily high temperatures are around 95°F, rarely falling below 89°F or exceeding 101°F.
Daily low temperatures decrease by 4°F, from 80°F to 76°F, rarely falling below 71°F or exceeding 83°F.
For reference, on August 7, the hottest day of the year, temperatures in 31 de Octubre typically range from 80°F to 96°F, while on January 8, the coldest day of the year, they range from 51°F to 74°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
El Gouna, Egypt (7,965 miles away); Az Zubaydāt, Palestinian Territories (7,754 miles); and Taichung, Taiwan (7,540 miles) are the far-away foreign places with temperatures most similar to 31 de Octubre (view comparison).
The month of September in 31 de Octubre experiences very rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 54% to 23%.
The clearest day of the month is September 30, with clear, mostly clear, or partly cloudy conditions 77% of the time.
For reference, on July 31, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 66%, while on June 8, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 86%.
Cloud Cover Categories in September
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In 31 de Octubre, the chance of a wet day over the course of September is very rapidly decreasing, starting the month at 38% and ending it at 14%.
For reference, the year's highest daily chance of a wet day is 43% on August 19, and its lowest chance is 1% on May 19.
Probability of Precipitation in September
To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day rainfall during September in 31 de Octubre is rapidly decreasing, starting the month at 3.1 inches, when it rarely exceeds 5.2 inches or falls below 1.0 inches, and ending the month at 1.6 inches, when it rarely exceeds 3.7 inches or falls below 0.2 inches.
Average Monthly Rainfall in September
Over the course of September in 31 de Octubre, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 46 minutes, implying an average daily decrease of 1 minute, 36 seconds, and weekly decrease of 11 minutes, 9 seconds.
The shortest day of the month is September 30, with 11 hours, 55 minutes of daylight and the longest day is September 1, with 12 hours, 41 minutes of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in 31 de Octubre is 5:59 AM on September 1 and the latest sunrise is 13 minutes later at 6:12 AM on September 30.
The latest sunset is 6:40 PM on September 1 and the earliest sunset is 33 minutes earlier at 6:07 PM on September 30.
Daylight saving time is not observed in 31 de Octubre during 2018.
For reference, on June 21, the longest day of the year, the Sun rises at 5:26 AM and sets 13 hours, 52 minutes later, at 7:17 PM, while on December 21, the shortest day of the year, it rises at 7:05 AM and sets 10 hours, 25 minutes later, at 5:30 PM.
Sunrise & Sunset with Twilight in September
The chance that a given day will be muggy in 31 de Octubre is very rapidly decreasing during September, falling from 98% to 75% over the course of the month.
For reference, on August 13, the muggiest day of the year, there are muggy conditions 99% of the time, while on January 25, the least muggy day of the year, there are muggy conditions 1% of the time.
Humidity Comfort Levels in September
The average hourly wind speed in 31 de Octubre is gradually increasing during September, increasing from 6.2 miles per hour to 6.9 miles per hour over the course of the month.
For reference, on June 19, the windiest day of the year, the daily average wind speed is 8.5 miles per hour, while on August 17, the calmest day of the year, the daily average wind speed is 6.1 miles per hour.
Average Wind Speed in September
Wind Direction in September
31 de Octubre 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 31 de Octubre is essentially constant during September, remaining within 1°F of 86°F throughout.
Average Water Temperature in September
Temperatures in 31 de Octubre 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 31 de Octubre are very rapidly increasing during September, increasing by 976°F, from 5,951°F to 6,926°F, over the course of the month.
Growing Degree Days in September
The average daily incident shortwave solar energy in 31 de Octubre is essentially constant during September, remaining within 0.2 kWh of 5.6 kWh throughout.
The highest average daily incident shortwave solar energy during September is 5.8 kWh on September 29.
Average Daily Incident Shortwave Solar Energy in September
For the purposes of this report, the geographical coordinates of 31 de Octubre are 27.296 deg latitude, -110.037 deg longitude, and 46 ft elevation.
The topography within 2 miles of 31 de Octubre is essentially flat, with a maximum elevation change of 56 feet and an average elevation above sea level of 48 feet. Within 10 miles is essentially flat (190 feet). Within 50 miles contains only modest variations in elevation (3,750 feet).
The area within 2 miles of 31 de Octubre is covered by cropland (91%), within 10 miles by cropland (89%), and within 50 miles by water (34%) and trees (26%).
This report illustrates the typical weather in 31 de Octubre 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 is only a single weather station, Ciudad Obregón International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of 31 de Octubre.
At a distance of 23 kilometers from 31 de Octubre, closer than our threshold of 150 kilometers, this station is deemed sufficiently nearby to be relied upon as our primary source for temperature and dew point records.
The station records are corrected for the elevation difference between the station and 31 de Octubre according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
Please note that the station records themselves may additionally have been back-filled using other nearby stations or the MERRA-2 reanalysis.
Time zones for aiports and weather stations are provided by AskGeo.com .