September Weather in Santiago Xochimilco, Mexico

Last updated: April 22, 2025

In September, Santiago Xochimilco experiences a varied climate characterized by maximum temperatures reaching 26°C (80°F) and average daily temperatures around 16°C (61°F). The month is notably marked by significant rainfall, accumulating 255 mm (10.0 in) over 24 days, leading to a humid environment with an average humidity level of 82%. Visitors can anticipate a blend of mild temperatures and frequent showers, making it a vibrant time to experience the lush landscapes of this unique Mexican destination.

September Temperature in Santiago Xochimilco

In Santiago Xochimilco, Mexico, September offers a delightful transition as temperatures cool slightly, yet remain pleasant for outdoor activities. The month welcomes cooler nights with a minimum of 6°C (44°F), while daytime highs reach a comfortable 26°C (80°F). With an average temperature hovering around 16°C (61°F), September mirrors the mild conditions of the preceding months, making it ideal for exploring the vibrant canals and lush flora of this unique region. Notably, the weather during this time serves as an invitation to embrace the rich cultural festivities that characterize Xochimilco, enhancing the allure of this captivating locale.

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

The chart illustrates September temperature patterns in Santiago Xochimilco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545861636462616161605755
Data source: Temperature data for Santiago 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 Santiago Xochimilco

In September, Santiago Xochimilco experiences a significant spike in rainfall, making it the wettest month of the year with an impressive 255 mm (10.0 in) of precipitation over 24 days. This pattern follows a gradual increase from the start of the year, with relatively dry conditions in the earlier months, peaking during the summer with July and August recording considerable amounts as well. As summer transitions into fall, the culmination of moisture not only underscores September's role in replenishing the local ecosystem but also marks a crucial shift as the region prepares for the drier months ahead. The regular and heavy rainfall of September highlights its significance in the annual climate cycle, setting the stage for the subsequent drop in precipitation as the year comes to a close.

September Precipitation Trends in Santiago Xochimilco

The chart displays monthly precipitation patterns in Santiago 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.
JanFebMarAprMayJunJulAugSepOctNovDec14519378619118621425596294
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santiago Xochimilco

September in Santiago Xochimilco, Mexico, witnesses a notable increase in humidity, reaching 82%, which marks a rise from the warmer summer months. This uptick is not unusual as the region transitions into its wetter season, showcasing a pattern of elevated humidity levels that linger into the fall. Following September, the humidity peaks in October at 91%, suggesting that the area's lush landscapes thrive under these conditions. Interestingly, this trend showcases a gradual decline from the highs of summer, with July experiencing the lowest humidity at 68%. Overall, September serves as a bridge between the summer's warmth and the onset of the more humid autumn months, marking it as a time of significant atmospheric change in the region.

September Average Humidity in Santiago Xochimilco

This chart illustrates the average monthly humidity levels in Santiago 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 Santiago Xochimilco

In September, residents and visitors of Santiago Xochimilco experience an extreme UV Index of 14, with a burn time of just 10 minutes. This trend of sustained high UV levels spans from February through October, reflecting the region's intense sun exposure during these months. Notably, the UV Index remains remarkably consistent, hovering around the 14 to 15 mark from March to August, and slightly decreasing to 13 in October. As the year transitions into the cooler months, the UV Index drops to a safer levels of 10 in November and 9 in December, significantly increasing burn time to 15 minutes. It's essential for everyone in the area to stay vigilant about sun safety during these months of extreme exposure. For more detailed information, visit Santiago Xochimilco UV Index.

Maximum UV Index Levels in Santiago Xochimilco for September

The chart shows the monthly maximum UV Index (UVI) for Santiago 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.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141413109
Data source: Santiago 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 Santiago Xochimilco

September in Santiago Xochimilco enjoys a remarkable average of 280 hours of sunshine, showcasing a vibrant continuation of the summer warmth. As summer transitions into fall, daylight hours dip slightly from the peak of 331 hours in May and 318 in April, yet remain abundant compared to the winter months. This month captures a delightful blend of sunlight, allowing locals and visitors to relish the picturesque canals and lush landscapes, while still enjoying milder temperatures. As the year progresses, September serves as a gentle reminder that even as the days gradually shorten, the sun’s golden embrace continues to bring life and energy to this enchanting Mexican locale.

Monthly Sunshine Duration in Santiago Xochimilco: September Highlighted

The September sunshine duration represents the total number of hours Santiago 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.
JanFebMarAprMayJunJulAugSepOctNovDec240h276h317h318h331h298h319h307h280h293h287h296h
Data source: Santiago Xochimilco September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santiago Xochimilco During September

In Santiago Xochimilco, Mexico, the likelihood of sunny weather dramatically shifts as the months progress, with September marking a notable decline in sun exposure. After experiencing relatively bright days in the earlier months—such as February with an impressive 86% chance of sunshine—the sunniest conditions taper off significantly, reaching a mere 16% chance in September. This trend highlights a gradual transition into the rainy season, where cloud cover becomes more prevalent, especially following the typically drier months of April and May. As autumn approaches, residents and visitors alike may want to prepare for cloudier, gloomier days, contrasting sharply with the brilliant sunny spells observed earlier in the year.

Percentage of Sunny Days in September in Santiago Xochimilco

The chart illustrates the percentage of sunny days in Santiago 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 Santiago Xochimilco experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%86%74%64%42%10%23%27%16%33%58%78%
Data source: Santiago Xochimilco September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santiago Xochimilco in September

In Santiago Xochimilco, the daylight duration experiences a gradual ebb and flow throughout the year, showcasing a clear seasonal pattern. Beginning with about 11 hours of daylight in January and February, sunlight gradually increases, peaking at 13 hours in the vibrant months of May through July. As summer wanes, the days start to shorten again, slipping back to 12 hours in August and September. This gentle transition sets the stage for a return to 11 hours in October and November, before culminating in the briefest days of 10 hours in December. The rhythm of light in Santiago Xochimilco not only marks the change of seasons but also invites residents and visitors alike to embrace the unique beauty of each month.

Average Daylight Hours in Santiago Xochimilco for September

The chart illustrates the variation in daylight duration in Santiago 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 6m11h 30m12h 2m12h 35m13h 2m13h 15m13h 8m12h 44m12h 12m11h 40m11h 12m10h 58m
Data source: Santiago Xochimilco daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Santiago Xochimilco

Amidst the enchanting canals of Santiago Xochimilco, September brings a gentle breeze with an average wind speed of 2.0 m/s (4 mph), a slight uptick from the calmer months of summer. This transitional period hints at the shift towards the more invigorating winds of autumn, as the region experiences a gradual increase in airflow throughout the year. Notably, September's breeziness is a welcome reprieve after the stillness observed in May through August, aligning well with the vibrant cultural festivities that epitomize this quaint locale. As the air turns crisp, it invites both locals and visitors to embrace the enchanting beauty of the lush scenery, further enhancing the allure of Xochimilco's breathtaking surroundings.

Average September Wind Speed in Santiago Xochimilco

The chart displays monthly wind speed patterns in Santiago 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.62.22.41.92.01.91.92.0 m/s2.12.21.9
Data source: Santiago Xochimilco September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Santiago Xochimilco Compares to Other Months

The weather in Santiago 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 Santiago Xochimilco and find detailed weather information for every month.

In September, the weather often brings milder temperatures with a range from a chilly 6°C (44°F) at night to a pleasant 26°C (80°F) during the day, while the average settles around 16°C (61°F). This month is also characterized by significant rainfall, accumulating 255 mm (10.0 in) over approximately 24 days, leading to a high humidity level of 82%.

In contrast, January experiences a cooler climate with minimum temperatures dropping to 0°C (32°F) and an average of 12°C (55°F), though it can still reach 26°C (79°F) during warmer spells. Rainfall is significantly reduced in January, totaling only 14 mm (0.5 in) across just 2 days, and humidity remains slightly elevated at 84%. For more detailed information, you can refer to Santiago Xochimilco weather in January.

In September, the weather is characterized by a wider temperature range, with minimums of 6°C (44°F) and maximums reaching 26°C (80°F), alongside an average temperature of 16°C (61°F). However, this month is also marked by frequent rainfall, with a total precipitation of 255 mm (10.0 in) spread over 24 days, contributing to a high humidity level of 82%.

In contrast, February presents cooler overall temperatures, with a minimum of 2°C (36°F) and a maximum of 27°C (82°F), resulting in an average temperature of 14°C (58°F). Significantly drier than September, February experiences only 5 mm (0.2 in) of precipitation over a single day, and humidity levels are slightly lower at 78%. For more detailed insights on the weather, check out Santiago Xochimilco weather in February.

September and March present contrasting weather conditions. In September, temperatures range from a minimum of 6°C (44°F) to a maximum of 26°C (80°F), with an average of 16°C (61°F). This month is quite wet, receiving 255 mm (10.0 in) of precipitation over 24 days, contributing to a high humidity level of 82%. In contrast, March features a slightly cooler minimum temperature of 3°C (37°F) but can reach up to 30°C (85°F), maintaining an average temperature similar to September at 16°C (62°F). However, March is much drier, with only 19 mm (0.7 in) of precipitation spread across just 5 days, leading to lower humidity at 75%. For more details, visit Santiago Xochimilco weather in March.

When comparing September and April weather, September tends to be cooler with average temperatures ranging from 6°C (44°F) to 26°C (80°F), while April enjoys slightly warmer conditions, with temperatures peaking at 28°C (83°F). Additionally, September is significantly wetter, receiving 255 mm (10.0 in) of precipitation over 24 days, in contrast to April's much drier climate with only 37 mm (1.4 in) of rain across 9 days. The humidity levels are also notably higher in September at 82%, compared to 70% in April. For more detailed information about April weather in Santiago Xochimilco, you can visit Santiago Xochimilco weather in April.

In comparing the weather of September and May, we see distinct differences in temperature and precipitation. September typically experiences cooler temperatures, with a minimum of 6°C (44°F) and an average of 16°C (61°F), while May offers slightly warmer conditions, with a minimum of 7°C (45°F) and an average of 18°C (64°F). The maximum temperatures also reflect this trend, reaching up to 26°C (80°F) in September compared to 30°C (87°F) in May. Precipitation is significantly higher in September, totaling 255 mm (10.0 in) over 24 days, whereas May sees only 86 mm (3.4 in) over 16 days, contributing to the higher humidity of 82% in September compared to 77% in May. For a closer look at May's weather specifics, you can visit Santiago Xochimilco weather in May.

September weather typically features cooler temperatures, with average highs around 26°C (80°F) compared to June’s warmer peak of 30°C (86°F). While September has a minimum temperature of 6°C (44°F), June starts at a slightly higher minimum of 9°C (48°F). Additionally, September experiences more precipitation, with 255 mm (10.0 in) over approximately 24 rainy days, unlike June, which sees 191 mm (7.5 in) across 20 days. The humidity levels are also higher in September at 82%, while June maintains a relative humidity of 76%. For a detailed look at June weather in the region, check out Santiago Xochimilco weather in June.

When comparing the weather in July and September, both months exhibit similar average temperatures, with July having a slight edge in minimum temperature at 6°C (43°F) compared to September's 6°C (44°F). The maximum temperatures are nearly identical, hovering between 26°C (79°F) in July and 26°C (80°F) in September. However, September experiences significantly higher precipitation, with 255 mm (10.0 in) over 24 days, compared to July's 186 mm (7.3 in) spread across 22 days. Additionally, September has a higher humidity level at 82%, while July maintains a more comfortable 68%. For more specific details about July weather patterns, you can explore Santiago Xochimilco weather in July.

In comparing the weather of September and August, we observe that both months exhibit similar temperature ranges, with average highs reaching 26°C (80°F) and average lows around 6-8°C (44-46°F). However, September is notably cooler in the mornings with a minimum temperature of 6°C, compared to August's 8°C. Additionally, September experiences more rainfall, totaling 255 mm (10.0 in) over 24 days, while August sees slightly less at 214 mm (8.4 in), also over 24 days. The humidity in September is higher at 82%, compared to August's more comfortable 70%. For more detailed information on August weather, you can check Santiago Xochimilco weather in August.

In September, temperatures in Santiago Xochimilco range from a minimum of 6°C (44°F) to a maximum of 26°C (80°F), with an average of 16°C (61°F). The month sees considerable rainfall, accumulating 255 mm (10.0 in) over 24 days, and the humidity averages 82%. In contrast, October brings slightly cooler temperatures with a minimum of 4°C (40°F) and an average of 15°C (60°F), while the maximum remains the same at 26°C (78°F). Precipitation significantly decreases to 96 mm (3.8 in) over 15 days, and humidity rises to an average of 91%. For more detailed weather insights, check out Santiago Xochimilco weather in October.

September and November present distinct contrasts in weather patterns. September experiences a more dynamic range with average temperatures hovering around 16°C (61°F) and highs reaching 26°C (80°F), while the month sees considerable rainfall with 255 mm (10.0 in) spread across 24 days, resulting in high humidity levels of 82%. In contrast, November displays a cooler climate, with temperatures dipping to an average of 14°C (57°F) and minimal precipitation of just 29 mm (1.1 in) over only 4 days, although humidity rises slightly to 89%. For more details on November weather, you can check Santiago Xochimilco weather in November.

September and December present distinct contrasts in weather. September typically boasts a milder range of temperatures, with a minimum of 6°C (44°F) and a maximum of 26°C (80°F). It is characterized by significant precipitation, averaging 255 mm (10.0 in) over 24 days, and high humidity at 82%. In contrast, December experiences much cooler temperatures, with a minimum of -1°C (31°F) and a similar maximum of 25°C (78°F), but it sees remarkably little rainfall, accumulating only 4 mm (0.2 in) over just 1 day. The humidity remains relatively high at 88%, contributing to a crisp feel in the air. For more insights on December weather specifics, you can refer to Santiago Xochimilco weather in December.

Compare Santiago Xochimilco's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Santiago Xochimilco

As September rolls into Santiago Xochimilco, the weather marks a noticeable shift, characterized by an increase in both rainfall and humidity. This month witnesses frequent showers that contribute to a lush landscape, setting it apart from the drier months of the year. The temperatures also reflect the transition of seasons, offering a comfortable average that invites residents and visitors to explore the vibrant surroundings. While the air is steeped in moisture, making it feel warmer than the average, the cool mornings provide a refreshing contrast. For those planning their visit, understanding the distinct climate of this month is essential. To dive deeper into the weather patterns throughout the year, check out Santiago Xochimilco Climate.