September Weather in Xochimilco, Mexico

Last updated: April 22, 2025

In September, Xochimilco, Mexico experiences a vibrant blend of warmth and humidity, with maximum temperatures reaching up to 37°C (98°F) and an average of 27°C (80°F). The weather is marked by significant precipitation, totaling 184 mm (7.2 in) over 21 days, which contributes to the area's lush landscapes and rich biodiversity. Humidity levels hover around 84%, creating a tropical atmosphere that pairs well with the region's stunning canals and cultural heritage. Expect a mix of sun-dappled days and refreshing showers, making September a unique time to experience the beauty of Xochimilco.

September Temperature in Xochimilco

In September, Xochimilco experiences a delightful transition towards autumn, with temperatures reflecting a blend of warmth and mildness. The month records a minimum temperature of 17°C (63°F), offering cooler nights, while the average rises to a comfortable 27°C (80°F), perfect for exploring its famous canals. Daytime highs can reach up to 37°C (98°F), indicating that the lingering summer heat can still be felt. Compared to the preceding months of August and July, where temperatures predominantly hovered around the upper 20s°C, September presents a slight cooling trend paired with refreshing evenings. This makes it an ideal time to enjoy the vibrant culture and stunning scenery of Xochimilco before the cooler fall months set in.

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.
JanFebMarAprMayJunJulAugSepOctNovDec666973788281818180777167
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

September in Xochimilco marks a pivotal transition in the rainy season, showcasing substantial precipitation with 184 mm (7.2 in) accumulated over 21 days. This month is characterized by near-peak rainfall, following closely behind the lush conditions of August which recorded 161 mm (6.3 in), highlighting a trend of increasing moisture as the summer progresses toward fall. Notably, the frequency of rainy days reaches its zenith in September, tied with June and August, illustrating the region's reliance on these rains for maintaining its vibrant ecosystems and agricultural practices. As the month draws to a close, the anticipation builds for even heavier downpours in October, which averages 264 mm (10.4 in), underscoring a pattern of intensifying precipitation that defines this time of year in Xochimilco.

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.
JanFebMarAprMayJunJulAugSepOctNovDec574455711561851191611842649533
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Xochimilco

September in Xochimilco, Mexico, brings a noticeable uptick in humidity, settling at 84%. This month marks a shift from the drier summer months of July and August, where humidity levels dipped to 72% and 74%, respectively. Following the relatively comfortable summer, September's humidity begins to climb again, hinting at the arrival of the wetter autumn season. As the year progresses, humidity peaks in the winter months of December and January, reaching a high of 92% and 88%. This trend underscores Xochimilco's unique climate, where the lush landscapes thrive in a cycle of seasonal humidity that heavily influences the region's vibrant ecosystem.

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.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Xochimilco

September in Xochimilco, Mexico, continues the trend of intense sun exposure, with a UV Index of 12, placing it in the extreme exposure category. This means that within just 10 minutes of unprotected sun exposure, you could risk significant skin damage. As the summer months transition to fall, the UV levels remain consistently high, mirroring the patterns seen from May to August, which also reported a UV Index of 12 or higher. To enjoy the beautiful surroundings while staying safe, it's crucial to take proactive sun protection measures, ensuring you prioritize your skin health. For detailed daily readings and forecasts, 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.
JanFebMarAprMayJunJulAugSepOctNovDec710121213131312121197
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 summer gracefully transitions into autumn, September in Xochimilco basks in a delightful 271 hours of sunshine, offering a warm embrace before the cooler months settle in. This month follows a peak of 312 hours in July and remains vibrant, though slightly less sun-drenched than the preceding months of June and August. As daylight begins to wane in October, dipping to 249 hours, September serves as a beautiful bridge, allowing locals and visitors alike to savor the lingering warmth and colorful landscapes that Xochimilco is renowned for. This gentle decline in sunshine hours hints at the approaching change of seasons, igniting a sense of anticipation for the rich cultural festivities that lie ahead.

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.
JanFebMarAprMayJunJulAugSepOctNovDec169h202h251h259h295h283h312h306h271h249h225h227h
Data source: Xochimilco September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xochimilco During September

In September, Xochimilco experiences a 21% chance of sunny weather, continuing a trend of variability throughout the year. While the summer months of June and July drop to their lowest percentages—14% and 31% respectively—August sees a notable rebound with a 42% chance of sunshine. As the year progresses, October offers a slight improvement at 33%, followed by an upswing in the likelihood of sunny days as we move into November with 41% and December reaching 53%. This pattern indicates that while September may not be the sunniest month, the transition into fall increasingly brings brighter days to the region, paving the way for the sun-kissed holiday season ahead.

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.
JanFebMarAprMayJunJulAugSepOctNovDec21%33%46%35%35%14%31%42%21%33%41%53%
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, the daylight duration showcases a dynamic rhythm throughout the year, with September offering around 12 hours of sunlight. As summer transitions into autumn, this month marks a gradual decline from the peak of 13 hours seen in the height of summer. Following a trend established in late spring, the daylight begins to shorten, yet September still retains a generous amount of light compared to the encroaching months. The consistent daylight hours in early autumn not only illuminate Xochimilco's vibrant landscapes and historic canals but also invite locals and tourists alike to embrace the lingering warmth before the days shorten further in October.

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 1m11h 27m12h 2m12h 37m13h 7m13h 21m13h 13m12h 47m12h 13m11h 38m11h 7m10h 53m
Data source: Xochimilco daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Xochimilco

As September arrives in Xochimilco, the winds begin to whisper a gentle farewell to summer, with an average speed of 1.4 m/s (3 mph). This slight dip continues a trend observed throughout the warmer months, where wind speeds typically hover around the low end of the scale. After a modest peak in April, the breezes tend to mellow, reflecting the transition into autumn. The consistent lightness of the September winds creates an inviting atmosphere, perfect for leisurely boat rides along the vibrant canals, where the rich colors of nature and the tranquility of the surroundings can be savored amidst the soft caress of the air.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.71.92.01.81.51.41.61.4 m/s1.51.61.5
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.

In September, the weather is notably warmer, with temperatures ranging from a minimum of 17°C (63°F) to a scorching maximum of 37°C (98°F), averaging around 27°C (80°F). The month is also characterized by significant rainfall, totaling 184 mm (7.2 in) over 21 days, contributing to a relatively high humidity level of 84%. In contrast, January experiences much cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 33°C (92°F), averaging 19°C (66°F). Rainfall is considerably less, with only 57 mm (2.3 in) over 8 days, and humidity increases slightly to 88%. This stark contrast highlights the transition from the warm, rainy conditions of September to the cooler, drier climate of January. For a closer look at specific conditions, explore Xochimilco weather in January.

In comparing the weather between September and February, September tends to be significantly warmer, featuring a minimum temperature of 17°C (63°F) and an average of 27°C (80°F), peaking at a maximum of 37°C (98°F). In contrast, February is cooler, with a minimum temperature of 7°C (45°F) and an average temperature of 20°C (69°F), reaching a maximum of 35°C (96°F). Additionally, September experiences much higher precipitation, with 184 mm (7.2 in) falling over 21 days, while February is relatively dry, seeing only 44 mm (1.7 in) over just 7 days. Humidity levels are quite similar in both months, with September at 84% and February slightly higher at 86%. For more detailed information on February's climate, refer to Xochimilco weather in February.

In comparing the weather of September and March, we see notable differences in temperature and precipitation. September tends to be warmer on average, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 37°C (98°F), while March offers cooler temperatures, starting at 10°C (51°F) and peaking also at 37°C (99°F). Humidity levels remain relatively consistent between the two months, with September at 84% and March slightly lower at 83%. However, September experiences significantly higher precipitation, averaging 184 mm (7.2 in) over 21 days, compared to March's 55 mm (2.2 in) across just 9 days. For a detailed look at March weather specifically, check out Xochimilco weather in March.

In comparing the weather between September and April, we see distinct differences in temperature and precipitation. September tends to be warmer, with average temperatures reaching 27°C (80°F) and maximum highs of 37°C (98°F), while April has a slightly cooler average of 26°C (78°F), peaking at 40°C (105°F). However, April features significantly less rainfall, with only 71 mm (2.8 in) over about 8 days, whereas September sees much heavier precipitation at 184 mm (7.2 in) over 21 days. Humidity levels are relatively similar, with September at 84% and April at 80%. For more specific details about weather conditions in April, you can check Xochimilco weather in April.

September and May exhibit distinct weather patterns, each with its own unique characteristics. In September, temperatures range from a minimum of 17°C (63°F) to a maximum of 37°C (98°F), with an average of 27°C (80°F). This month experiences significant precipitation, accumulating 184 mm (7.2 in) over 21 days and a high humidity level of 84%. In contrast, May tends to be slightly hotter, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 40°C (104°F) and an average of 28°C (82°F). Precipitation is lower in May at 156 mm (6.2 in) over just 13 days and slightly less humidity at 82%. For a more detailed look at May weather, you can check Xochimilco weather in May.

In comparing the weather in September and June, both months exhibit similar average temperatures, hovering around 27°C (80°F) and 27°C (82°F) respectively. However, September features a slightly wider temperature range, with minimums dropping to 17°C (63°F) and maximums reaching 37°C (98°F), while June's lows are higher at 20°C (68°F), peaking at 38°C (100°F). Precipitation levels remain nearly identical, with both months experiencing around 185 mm (7.3 in) of rain over 21 days, yet September has a higher humidity level at 84%, compared to June's 79%. For a more detailed view of June weather, you can visit Xochimilco weather in June.

In September, the weather tends to be slightly warmer overall compared to July, with average temperatures hovering around 27°C (81°F) and maximums reaching up to 37°C (98°F). However, September is characterized by significantly higher humidity levels at 84%, compared to July's 72%. Additionally, September experiences more rainfall, with 184 mm (7.2 in) of precipitation over 21 days, whereas July sees only 119 mm (4.7 in) across 20 days. For more detailed information about July weather, you can check Xochimilco weather in July.

In comparing the weather of September and August, we see some notable differences. September maintains a similar average temperature of 27°C (80°F), but experiences a slightly lower minimum temperature of 17°C (63°F) compared to August's minimum of 20°C (68°F). Both months share the same maximum temperature of 37°C (98°F), although September sees a slight increase in precipitation at 184 mm (7.2 in) over 21 days, compared to August's 161 mm (6.3 in) with the same number of wet days. Additionally, September is marked by higher humidity levels at 84%, while August has a more comfortable humidity of 74%. For further details on August weather in the region, you can refer to Xochimilco weather in August.

September typically offers warmer temperatures, with an average high of 27°C (80°F) and occasional peaks reaching 37°C (98°F). However, this month also sees significant rainfall, recording 184 mm (7.2 in) across 21 days, coupled with high humidity at 84%. In contrast, October experiences a slight drop in temperatures, with an average high of 25°C (77°F) and a maximum of 35°C (96°F). Interestingly, while October's average low is slightly cooler at 16°C (60°F), it sees even more precipitation at 264 mm (10.4 in) over 16 days, with humidity rising to 92%. For a more detailed look at weather patterns during this month, you can check Xochimilco weather in October.

September and November present a striking contrast in weather conditions. September is significantly warmer, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 37°C (98°F), and an average of 27°C (80°F). It also experiences higher precipitation, totaling 184 mm (7.2 in) over 21 days, coupled with high humidity at 84%. In contrast, November sees cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 32°C (89°F), averaging 22°C (71°F). Precipitation drops to 95 mm (3.7 in) over just 9 days, while humidity remains relatively high at 91%. For more detailed information, you can refer to Xochimilco weather in November.

September and December present a striking contrast in weather conditions. In September, temperatures range from a minimum of 17°C (63°F) to a scorching maximum of 37°C (98°F), with an average of 27°C (80°F). The month is marked by significant rainfall, accumulating 184 mm (7.2 in) over 21 days, and high humidity levels at 84%. In contrast, December experiences milder temperatures, with a minimum of 6°C (43°F), an average of 19°C (67°F), and a maximum of 32°C (91°F). Precipitation drops significantly to just 33 mm (1.3 in) over only 7 days, and humidity increases slightly to 91%. For a closer look at the weather specifics for this month, visit Xochimilco weather in December.

Compare Xochimilco's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Xochimilco

September in Xochimilco stands out with its warm temperatures and high humidity, offering a stark contrast to the cooler months that precede it. As the rainy season peaks, visitors can expect frequent downpours, making this month notably wetter with an average of 21 rainy days. While average temperatures hover around a pleasant 27°C, the maximum can soar to a sizzling 37°C, creating a humid environment that feels both tropical and vibrant. This blend of heat and moisture enhances the region's lush landscapes, making September a unique time to experience the beauty of Xochimilco. For more insights on the area's distinctive climate patterns, visit Xochimilco Climate.