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Fall Weather in Lomas del Sur Mexico

Daily high temperatures decrease by 2°F, from 79°F to 77°F, rarely falling below 72°F or exceeding 83°F.

Daily low temperatures decrease by 17°F, from 61°F to 44°F, rarely falling below 37°F or exceeding 63°F.

For reference, on May 18, the hottest day of the year, temperatures in Lomas del Sur typically range from 57°F to 89°F, while on January 8, the coldest day of the year, they range from 41°F to 74°F.

Average High and Low Temperature in the Fall in Lomas del Sur

Average High and Low Temperature in the Fall in Lomas del SurSepOctNov35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°FSummerWinterSep 179°FSep 179°F61°F61°FNov 3077°FNov 3077°F44°F44°FOct 179°FOct 179°F58°F58°FNov 179°FNov 179°F50°F50°FNowNow
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the hourly average fall temperatures. 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 the Fall in Lomas del Sur

Average Hourly Temperature in the Fall in Lomas del SurSepOctNov12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSummerWinterNowNowvery coldcoldcoolcoolcomfortablewarmcold
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Capinota, Bolivia (3,652 miles away) and Sanaa, Yemen (9,136 miles) are the far-away foreign places with temperatures most similar to Lomas del Sur (view comparison).

Compare Lomas del Sur to another city:

Clouds

The fall in Lomas del Sur experiences very rapidly decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 88% to 44%. The highest chance of overcast or mostly cloudy conditions is 88% on September 3. The lowest chance of overcast or mostly cloudy conditions is 43% on November 23.

The clearest day of the fall is November 23, with clear, mostly clear, or partly cloudy conditions 57% of the time.

For reference, on September 2, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 88%, while on March 1, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 63%.

Cloud Cover Categories in the Fall in Lomas del Sur

Cloud Cover Categories in the Fall in Lomas del SurSepOctNov0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SummerWinterMar 163%Mar 163%Sep 212%Sep 212%Nov 3056%Nov 3056%Oct 118%Oct 118%Nov 145%Nov 145%NowNowclearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

Precipitation

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Lomas del Sur, the chance of a wet day over the course of the fall is very rapidly decreasing, starting the season at 72% and ending it at 3%.

For reference, the year's highest daily chance of a wet day is 79% on July 11, and its lowest chance is 1% on April 7.

Probability of Precipitation in the Fall in Lomas del Sur

Probability of Precipitation in the Fall in Lomas del SurSepOctNov0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%SummerWinterSep 172%Sep 172%Nov 303%Nov 303%Oct 140%Oct 140%Nov 19%Nov 19%NowNowrain
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the fall in Lomas del Sur is very rapidly decreasing, starting the season at 5.5 inches, when it rarely exceeds 8.1 inches or falls below 3.4 inches, and ending the season at 0.3 inches, when it rarely exceeds 0.8 inches or falls below -0.0 inches.

Average Monthly Rainfall in the Fall in Lomas del Sur

Average Monthly Rainfall in the Fall in Lomas del SurSepOctNov0 in0 in2 in2 in4 in4 in6 in6 in8 in8 inSummerWinterSep 15.5 inSep 15.5 inNov 300.3 inNov 300.3 inOct 12.9 inOct 12.9 inNov 10.8 inNov 10.8 inNowNow
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average liquid-equivalent snowfall.

Sun

Over the course of the fall in Lomas del Sur, the length of the day is rapidly decreasing. From the start to the end of the season, the length of the day decreases by 1 hour, 32 minutes, implying an average daily decrease of 1 minute, 1 second, and weekly decrease of 7 minutes, 8 seconds.

The shortest day of the fall is November 30, with 10 hours, 59 minutes of daylight and the longest day is September 1, with 12 hours, 31 minutes of daylight.

Hours of Daylight and Twilight in the Fall in Lomas del Sur

Hours of Daylight and Twilight in the Fall in Lomas del SurSepOctNov0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSummerWinterSep 2212 hr, 7 minSep 2212 hr, 7 minnightnightdaydayNov 3010 hr, 59 minNov 3010 hr, 59 minNov 111 hr, 22 minNov 111 hr, 22 minNowNow
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The latest sunrise of the fall in Lomas del Sur is 7:54 AM on October 30 and the earliest sunrise is 1 hour, 0 minutes earlier at 6:55 AM on October 31.

The latest sunset is 8:08 PM on September 1 and the earliest sunset is 1 hour, 57 minutes earlier at 6:11 PM on November 25.

Daylight saving time (DST) ends at 1:00 AM on October 31, 2021, shifting sunrise and sunset to be an hour earlier.

For reference, on June 21, the longest day of the year, the Sun rises at 7:14 AM and sets 13 hours, 23 minutes later, at 8:36 PM, while on December 21, the shortest day of the year, it rises at 7:25 AM and sets 10 hours, 53 minutes later, at 6:18 PM.

Sunrise & Sunset with Twilight and Daylight Saving Time in the Fall in Lomas del Sur

Sunrise & Sunset with Twilight and Daylight Saving Time in the Fall in Lomas del SurSepOctNov2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM2 AMSummerWinter6:55 AM6:55 AMOct 316:18 PMOct 316:18 PM7:37 AM7:37 AMSep 18:08 PMSep 18:08 PM7:09 AM7:09 AMNov 256:11 PMNov 256:11 PM7:44 AM7:44 AMOct 17:41 PMOct 17:41 PMDSTOct 31DSTOct 31SolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day in the fall. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

Moon

The figure below presents a compact representation of key lunar data for the fall of 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 the Fall in Lomas del Sur

Moon Rise, Set & Phases in the Fall in Lomas del SurSepOctNov12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSummerWinterAug 88:51 AMAug 88:51 AMAug 227:03 AMAug 227:03 AMSep 67:52 PMSep 67:52 PMSep 206:55 PMSep 206:55 PMOct 66:06 AMOct 66:06 AMOct 209:57 AMOct 209:57 AMNov 43:15 PMNov 43:15 PMNov 192:58 AMNov 192:58 AMDec 41:44 AMDec 41:44 AMDec 1810:36 PMDec 1810:36 PM8:58 PM8:58 PM8:09 PM8:09 PM7:40 AM7:40 AM7:14 AM7:14 AM8:16 PM8:16 PM8:03 PM8:03 PM8:14 AM8:14 AM7:54 AM7:54 AM8:08 PM8:08 PM7:10 PM7:10 PM7:50 AM7:50 AM6:38 AM6:38 AM6:23 PM6:23 PM5:55 PM5:55 PM7:18 AM7:18 AM6:46 PM6:46 PM6:00 PM6:00 PM7:51 AM7:51 AMNowNow
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

Humidity

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Lomas del Sur is essentially constant during the fall, remaining around 0% throughout.

The lowest chance of a muggy day during the fall is 0% on November 26.

For reference, on June 22, the muggiest day of the year, there are muggy conditions 1% 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 the Fall in Lomas del Sur

Humidity Comfort Levels in the Fall in Lomas del SurSepOctNov0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SummerWinterNov 260%Nov 260%Sep 10%Sep 10%Oct 10%Oct 10%Nov 10%Nov 10%humidhumidcomfortablecomfortabledrydry
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

Wind

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Lomas del Sur is essentially constant during the fall, remaining within 0.2 miles per hour of 4.8 miles per hour throughout.

For reference, on March 25, the windiest day of the year, the daily average wind speed is 6.0 miles per hour, while on July 26, the calmest day of the year, the daily average wind speed is 4.1 miles per hour.

Average Wind Speed in the Fall in Lomas del Sur

Average Wind Speed in the Fall in Lomas del SurSepOctNov0 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mph7 mph7 mph8 mph8 mphSummerWinterSep 14.7 mphSep 14.7 mphNov 304.9 mphNov 304.9 mphOct 14.9 mphOct 14.9 mphNov 14.9 mphNov 14.9 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction in Lomas del Sur throughout the fall is predominantly from the east, with a peak proportion of 52% on September 30.

Wind Direction in the Fall in Lomas del Sur

Wind Direction in the Fall in Lomas del SurEWSepOctNov0%100%20%80%40%60%60%40%80%20%100%0%SummerWinterNowNowwestsoutheastnorth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Growing Season

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

While it does not do so every year, freezing temperatures are seen in Lomas del Sur over some winters. The day least likely to be in the growing season is January 11, with a 54% chance.

Time Spent in Various Temperature Bands and the Growing Season in the Fall in Lomas del Sur

Time Spent in Various Temperature Bands and the Growing Season in the Fall in Lomas del Surgrowing seasonSepOctNov0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%SummerWinter100%Sep 1100%Sep 189%Nov 3089%Nov 30100%Oct 1100%Oct 199%Nov 199%Nov 1NowNowvery coldcoldcoolcomfortablewarm
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Lomas del Sur are very rapidly increasing during the fall, increasing by 1,368°F, from 4,234°F to 5,602°F, over the course of the season.

Growing Degree Days in the Fall in Lomas del Sur

Growing Degree Days in the Fall in Lomas del SurSepOctNov4,200°F4,200°F4,400°F4,400°F4,600°F4,600°F4,800°F4,800°F5,000°F5,000°F5,200°F5,200°F5,400°F5,400°F5,600°F5,600°F5,800°F5,800°FSummerWinterSep 14,234°FSep 14,234°FNov 305,602°FNov 305,602°FOct 14,770°FOct 14,770°FNov 15,252°FNov 15,252°FNowNow
The average growing degree days accumulated over the course of the fall, with 25th to 75th and 10th to 90th percentile bands.

Solar Energy

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Lomas del Sur is gradually decreasing during the fall, falling by 0.8 kWh, from 5.6 kWh to 4.8 kWh, over the course of the season.

Average Daily Incident Shortwave Solar Energy in the Fall in Lomas del Sur

Average Daily Incident Shortwave Solar Energy in the Fall in Lomas del SurSepOctNov0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhSummerWinterSep 15.6 kWhSep 15.6 kWhNov 304.8 kWhNov 304.8 kWhOct 15.4 kWhOct 15.4 kWhNov 15.2 kWhNov 15.2 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

Topography

For the purposes of this report, the geographical coordinates of Lomas del Sur are 20.493 deg latitude, -103.418 deg longitude, and 5,367 ft elevation.

The topography within 2 miles of Lomas del Sur contains very significant variations in elevation, with a maximum elevation change of 1,775 feet and an average elevation above sea level of 5,374 feet. Within 10 miles contains very significant variations in elevation (4,803 feet). Within 50 miles also contains extreme variations in elevation (9,701 feet).

The area within 2 miles of Lomas del Sur is covered by cropland (78%) and trees (22%), within 10 miles by cropland (52%) and trees (28%), and within 50 miles by trees (40%) and cropland (35%).

Data Sources

This report illustrates the typical weather in Lomas del Sur, 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 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Lomas del Sur.

For each station, the records are corrected for the elevation difference between that station and Lomas del Sur 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 Lomas del Sur is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Lomas del Sur and a given station.

The stations contributing to this reconstruction are: Guadalajara International Airport (MMGL, 96%, 12 kilometers, east); Amado Nervo International Airport (MMEP, 2.2%, 181 kilometers, northwest); and Playa de Oro International Airport (MMZO, 1.5%, 192 kilometers, southwest).

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . 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.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.