September Weather in Xochimilco, Mexico

Last updated: April 22, 2025

In September, Xochimilco, Mexico experiences a delightful blend of warm and cool weather, with maximum temperatures reaching 28°C (83°F) and an average of 19°C (66°F). The month is characterized by heightened humidity levels, averaging around 82%, contributing to an often moist atmosphere. Visitors should prepare for frequent showers, as 21 days of precipitation accumulate to around 231 mm (9.1 in), making it one of the wetter months of the year. This unique climate fosters lush landscapes, enhancing Xochimilco's vibrant beauty while inviting explorers to embrace both the rain and warmth.

September Temperature in Xochimilco

September in Xochimilco, Mexico, offers a delightful transition as summer begins to wane and autumn approaches. With minimum temperatures around 9°C (49°F), the weather remains pleasantly mild, while the average temperature settles at a comfortable 19°C (66°F). The maximum reaches 28°C (83°F), providing ample warmth during the day. This month marks a slight dip from the sweltering summer highs, yet it retains a hint of summer’s charm. Notably, September maintains a consistent theme of moderate temperatures, echoing the patterns seen in August, making it an ideal time for visitors to enjoy the vibrant culture and scenic beauty without the intense heat of the preceding months. As the days shorten, Xochimilco beckons with its rich history and picturesque canals, inviting exploration under the softening sun.

September Weather in Xochimilco: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Xochimilco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec596265686866666665656260
Data source: Temperature data for Xochimilco generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Xochimilco

In September, Xochimilco experiences a significant shift in its precipitation patterns, becoming the rainiest month of the year with a remarkable 231 mm (9.1 in) of rainfall over 21 days. This surge in precipitation is a continuation of the rainy season, which builds in intensity from the relatively dry months of January and February, where rainfall is almost negligible. As the year progresses, the moisture peaks in June and August, but September stands out with a notable increase, highlighting the transition to a wetter phase. This month’s rainfall not only replenishes the region’s water sources but also contributes to the lush landscapes of Xochimilco, making it a vibrant period for both flora and fauna. As autumn approaches, the fluctuation in weather sets the stage for a gradual decrease in precipitation leading into the drier months of October and November.

September Precipitation Trends in Xochimilco

The chart displays monthly precipitation patterns in Xochimilco, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec33133710320911315323185162
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xochimilco

In Xochimilco, Mexico, September brings a noticeable rise in humidity, with levels reaching 82%. This increase follows a gradual decline during the summer months, where July and August see lower humidity at 68% and 70%, respectively. As the year progresses, it's clear that September marks a transition towards the more humid conditions typical of the autumn months. In fact, the humidity steadily climbs as the year approaches its end, reaching a peak of 91% in October. This trend not only influences the local climate but also enhances the lush beauty of Xochimilco’s famed gardens and waterways during this time of year.

September Average Humidity in Xochimilco

This chart illustrates the average monthly humidity levels in Xochimilco, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xochimilco

In September, Xochimilco, Mexico, experiences a UV Index of 14, categorizing the exposure level as extreme and resulting in a burn time of just 10 minutes. This trend of high UV levels persists throughout the summer months, peaking in April to August where the index hits a maximum of 15. As the seasons transition into autumn, the UV index begins to show a slight decline, dropping to 12 in October. Overall, the data indicates that residents and visitors should prioritize sun protection during this period, as extreme UV exposure can pose serious health risks. For more detailed information on UV exposure, visit Xochimilco UV Index.

Maximum UV Index Levels in Xochimilco for September

The chart shows the monthly maximum UV Index (UVI) for Xochimilco in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141412109
Data source: Xochimilco September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Xochimilco

As September arrives in Xochimilco, a warm embrace of sunshine greets residents and visitors alike, offering approximately 289 hours of radiant daylight. Following the vibrant peak of summer, when July and May basked in the most sunlight—329 and 330 hours respectively—September marks a gentle transition toward the slightly shorter days of autumn. The sunshine remains abundant, although it dips from the previous months, reflecting a trend of gradual light decrease leading into the fall. Despite this decline, September still boasts a healthy amount of sunshine, creating the perfect backdrop for enjoying the lush canals and floating gardens, making it an idyllic time to experience the enduring charm of this unique destination.

Monthly Sunshine Duration in Xochimilco: September Highlighted

The September sunshine duration represents the total number of hours Xochimilco experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec242h277h317h318h330h299h329h318h289h303h294h299h
Data source: Xochimilco September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xochimilco During September

September in Xochimilco, Mexico, marks a transition into the more overcast months, with only a 20% chance of sunny weather. This trend follows the summer's peak humidity and rain, as the clouds loom larger, significantly lowering the likelihood of sunshine compared to the sunnier months of February and March, which boast chances of 86% and 74%, respectively. As the dry season approaches, October offers a slight uptick in sunshine potential at 35%. Therefore, those planning to visit Xochimilco in September should be prepared for the possibility of gray skies and scattered rain showers, making it a time to appreciate the lush landscapes and vibrant culture away from the sun’s glare.

Percentage of Sunny Days in September in Xochimilco

The chart illustrates the percentage of sunny days in Xochimilco throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Xochimilco experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%86%74%68%44%9%30%35%20%35%62%83%
Data source: Xochimilco September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xochimilco in September

In Xochimilco, Mexico, September marks the transition into autumn with 12 hours of daylight, mirroring the duration observed in both March and April. This month maintains the gradually diminishing daylight seen since the peak in May, which boasted up to 13 hours. As the year progresses, daylight hours begin to contract, especially as October approaches, signaling the shift to shorter days. Notably, this trend of increasing daylight from January to May and subsequent decrease towards the year’s end showcases the rhythmic patterns of sunlight that characterize the changing seasons in this vibrant region.

Average Daylight Hours in Xochimilco for September

The chart illustrates the variation in daylight duration in Xochimilco throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 8m11h 31m12h 2m12h 34m13h13h 13m13h 6m12h 43m12h 12m11h 41m11h 14m11h
Data source: Xochimilco daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Xochimilco

As September unfolds in Xochimilco, Mexico, the gentle caress of the wind offers a transition into the cooler months. With an average wind speed of 1.6 m/s (4 mph), this marks the lowest breeze of the year, reminiscent of the calm after the summer's hustle. The trend through the preceding months shows a subtle wave, with April and May hovering around 2.5 m/s, showcasing a notable shift in the atmosphere. However, as the festivals and celebrations of fall approach, the light winds of September create a serene backdrop, inviting visitors to contemplate the vibrant beauty of the floating gardens as they drift lazily along the canals. As we move toward October, a slight uptick to 2.0 m/s suggests a gradual return of energy to the landscape, hinting at the lively days ahead.

Average September Wind Speed in Xochimilco

The chart displays monthly wind speed patterns in Xochimilco, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.82.52.51.91.62.22.11.6 m/s2.02.42.2
Data source: Xochimilco September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Xochimilco Compares to Other Months

The weather in Xochimilco changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Xochimilco and find detailed weather information for every month.

September weather presents a notable contrast to that of January. With average temperatures ranging between a brisk 9°C (49°F) to a warm 28°C (83°F), September is generally warmer than the cooler January, which sees temperatures dip to a minimum of 0°C (33°F) and an average of 15°C (59°F). Additionally, September is characterized by its high precipitation levels, receiving 231 mm (9.1 in) over 21 days, while January remains dry with only 3 mm (0.1 in) of rainfall and no precipitation days. Humidity levels are fairly consistent between the two months, hovering around 82% in September and slightly higher at 84% in January. For detailed insights on January weather in Xochimilco, you can check out this link: Xochimilco weather in January.

September and February present contrasting weather characteristics, reflecting the shifts in seasons. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 28°C (83°F), with an average of 19°C (66°F), while the month is marked by significant rainfall totaling 231 mm (9.1 in) over 21 days, contributing to a high humidity level of 82%. In stark contrast, February boasts milder temperatures with a minimum of 3°C (38°F), an average of 17°C (62°F), and a maximum of 30°C (86°F). February is characterized by minimal precipitation, with only 3 mm (0.1 in) and no rainy days, resulting in a lower humidity of 78%. For those interested in the specifics of climate conditions, you can explore more about Xochimilco weather in February.

September and March showcase distinctly different weather patterns. In September, temperatures range from a cool 9°C (49°F) at night to a warm 28°C (83°F) during the day, with an average of 19°C (66°F). This month is characterized by high humidity at 82% and significant rainfall, totaling 231 mm (9.1 in) over 21 days. In contrast, March experiences milder nights with a minimum temperature of 4°C (40°F) and hotter days peaking at 32°C (90°F), although the average is slightly lower at 18°C (65°F). Remarkably, March sees far less precipitation, with only 13 mm (0.5 in) over just 3 days, and a slightly lower humidity level at 75%. For a detailed look at March weather, check Xochimilco weather in March.

In comparing the weather of September and April, September tends to be cooler overall, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 28°C (83°F), while April offers warmer conditions, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 31°C (89°F). Notably, September experiences significantly more precipitation, with 231 mm (9.1 in) falling over 21 days, compared to April's much drier climate of only 37 mm (1.4 in) over 8 days. Additionally, September maintains a higher humidity level at 82%, while April's humidity is comparatively lower at 70%. For more information on the specific weather patterns in April, check out the details on Xochimilco weather in April.

September and May present contrasting weather patterns. While September experiences a wider temperature range with a minimum of 9°C (49°F) and a maximum of 28°C (83°F), May showcases slightly warmer conditions, boasting a minimum of 8°C (47°F) and rising to a peak of 33°C (91°F). In terms of rainfall, September is notably wetter, receiving 231 mm (9.1 in) across 21 days, compared to May's 103 mm (4.1 in) over 15 days. Additionally, September's humidity is higher at 82%, while May enjoys a milder humidity level of 77%. For a closer look at the specific conditions in May, you can refer to Xochimilco weather in May.

In June, the weather is generally warmer with minimum temperatures around 11°C (52°F) and maximums reaching up to 31°C (88°F), while September sees lower minimums at 9°C (49°F) and a maximum of 28°C (83°F). Both months have similar average temperatures of 19°C (66°F), but June is slightly less humid at 76%, compared to September's higher humidity of 82%. Additionally, while both months experience a similar amount of rainfall, with June receiving 209 mm (8.2 in) and September 231 mm (9.1 in), the days of precipitation are comparable, with June having rain on 20 days and September on 21 days. For more details on June weather, you can check Xochimilco weather in June.

September generally experiences a slightly milder temperature range compared to July, with minimums around 9°C (49°F) and maximums reaching 28°C (83°F), while July sees slightly cooler lows at 7°C (45°F) but higher highs of up to 31°C (88°F). Both months share the same average temperature of 19°C (66°F); however, September is notably wetter, with 231 mm (9.1 in) of precipitation over 21 days, compared to July's 113 mm (4.4 in) spread across 14 days. Additionally, September is more humid, with an average humidity of 82%, contrasting with July’s lower humidity level of 68%. For more specific details about July weather patterns, check out Xochimilco weather in July.

Comparing the weather in September and August reveals some notable differences. Both months experience similar minimum temperatures of around 9°C (49°F) and average temperatures hovering close to 19°C (66-67°F). However, August typically enjoys slightly warmer maximum temperatures, reaching up to 30°C (86°F), while September's highs peak at 28°C (83°F). Additionally, September is significantly wetter, with 231 mm (9.1 in) of precipitation over 21 days, compared to August's 153 mm (6.0 in) over 16 days. Humidity levels also rise in September, averaging 82% compared to August's 70%. For more detailed insights, you can check Xochimilco weather in August.

September and October present a transition in weather patterns, with notable differences in temperature, precipitation, and humidity. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 28°C (83°F), with an average of 19°C (66°F), accompanied by significant rainfall of 231 mm (9.1 in) over 21 days and a humidity level of 82%. In contrast, October sees slightly cooler temperatures, with a minimum of 6°C (42°F) and an average of 18°C (65°F), while still reaching a maximum of 28°C (84°F). Precipitation decreases dramatically to 85 mm (3.3 in) over just 12 days, and humidity rises to 91%, creating a more damp atmosphere. For more specific details about local weather conditions in October, you can refer to Xochimilco weather in October.

September and November present distinct weather patterns, with September showcasing a warmer climate. In September, temperatures range from a minimum of 9°C (49°F) to a maximum of 28°C (83°F), while the average is around 19°C (66°F). This month also brings substantial rainfall, totaling 231 mm (9.1 in) across 21 days, coupled with high humidity at 82%. In contrast, November offers slightly cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 29°C (85°F), averaged at 17°C (63°F). Rainfall is minimal, with only 16 mm (0.6 in) over just 3 days, and humidity levels rise slightly to 89%. For more detailed information, you can visit Xochimilco weather in November.

In September, the weather is characterized by milder temperatures, with averages reaching 19°C (66°F) and highs of 28°C (83°F), while mornings bring cooler lows of 9°C (49°F). The month experiences significant rainfall, with 231 mm (9.1 in) spread over 21 days, resulting in high humidity at 82%. In contrast, December has a much colder feel with temperatures plummeting to a minimum of -1°C (30°F) and an increased average temperature of 15°C (60°F), but still reaching a maximum of 28°C (83°F) during occasional warm days. Notably, December is much drier, with only 2 mm (0.1 in) of precipitation over the entire month, and boasts zero rainy days, leading to a slight increase in humidity at 88%. For more specific details, you can check Xochimilco weather in December.

Compare Xochimilco's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Xochimilco

As September unfolds in Xochimilco, it brings a unique blend of warmth and moisture that sets it apart from other months. The comfortable average temperature creates a pleasant atmosphere, while frequent rain showers contribute significantly to the region's lush landscapes. With high humidity levels, the air often feels more tropical, enhancing the vibrant scenery that defines this beautiful locale. While the precipitation may deter some outdoor activities, it also fuels the rich flora and fauna of Xochimilco, making it an ideal time for those who appreciate nature's beauty. For a comprehensive look at the weather patterns throughout the year, visit Xochimilco Climate.