September Weather in Atlixco, Mexico

Last updated: April 22, 2025

September in Atlixco, Mexico offers a mild climate characterized by a maximum temperature of 26°C (79°F) and an average temperature hovering around 17°C (63°F). As the month progresses, temperatures can dip to a refreshing 10°C (50°F) at night. However, this month is also marked by significant precipitation, totaling 281 mm (11.1 in) over 26 days, contributing to a high humidity level of 82%. These conditions create a lush and vibrant environment, ideal for those who appreciate the beauty of a rainy season blended with moderate temperatures.

September Temperature in Atlixco

In September, Atlixco, Mexico experiences a delightful transition as autumn approaches. The temperatures range from a mild 10°C (50°F) at night to a comfortable 26°C (79°F) during the day, making it a pleasant month for outdoor activities. The average temperature dips slightly to 17°C (63°F), marking a subtle shift from the warmer summer months. This trend of gradual cooling is typical as the region prepares for the seasonal change, offering visitors a refreshing respite while still allowing for sun-soaked days. The consistency in temperature, with minimal variance from the preceding months, ensures that September remains an inviting time to explore the vibrant culture and stunning landscapes of Atlixco.

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

The chart illustrates September temperature patterns in Atlixco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec576164666664646463636058
Data source: Temperature data for Atlixco 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 Atlixco

September marks a significant peak in precipitation for Atlixco, Mexico, as the region receives 281 mm (11.1 in) of rain over 26 days, solidifying its position as one of the wettest months of the year. This surge follows the height of the rainy season, where June and July also contribute substantial amounts, but September outpaces them both. The downpours not only replenish the lush landscapes but also signal the transition into the drier months ahead, making it a crucial period for agricultural yields. This gradual shift in precipitation from the intense summer rains towards a milder autumn reflects the region's vibrant climate dynamics, emphasizing the importance of September in the annual weather cycle of Atlixco.

September Precipitation Trends in Atlixco

The chart displays monthly precipitation patterns in Atlixco, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1282766162311216239281125425
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Atlixco

In September, humidity in Atlixco, Mexico experiences a notable shift, rising to 82% after a generally lower trend through the summer months. This increase sets the stage for a more humid atmosphere, characteristic of the transition into fall. The preceding months of July and August showcased relatively drier conditions, with humidity levels dipping to 68% and 70%, respectively. However, as September unfolds, it becomes clear that the region is heading into a wetter season, with humidity levels poised to spike further in the following months, reaching 91% in October. This pattern not only highlights Atlixco's year-round humidity variation but also signifies the onset of seasonal changes that beckon the lushness of autumn.

September Average Humidity in Atlixco

This chart illustrates the average monthly humidity levels in Atlixco, 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 Atlixco

In September, Atlixco, Mexico continues to experience an extreme UV Index of 14, with a burn time of just 10 minutes under direct sun. This trend reflects the region's consistently high UV levels throughout the warmer months, with the index peaking at 15 from April to August. While September sees a slight dip in UV intensity, the risk remains significant, as it closely follows the summer highs. As the days transition into autumn, sun safety remains crucial. For detailed insights on how to stay protected, check out the Atlixco UV Index.

Maximum UV Index Levels in Atlixco for September

The chart shows the monthly maximum UV Index (UVI) for Atlixco 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: Atlixco 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 Atlixco

September in Atlixco, Mexico, brings a delightful blend of warmth and sunshine, boasting 280 hours of sunlight. As summer wanes, the sun continues to shine brightly, though with a slight dip compared to the peak months of May and June, which each enjoyed over 300 hours. This month marks a transition, as the daylight gradually lessens from the vibrant intensity of midsummer, yet still outpaces the early months of the year. With the sun setting a little earlier each day, September invites visitors to savor the vibrant landscapes and rich culture, all while enjoying the soft embrace of the fading summer sun. This seasonal shift underscores a consistent pattern in Atlixco's climate, where long, sun-drenched days give way to a more moderate, yet still inviting, autumn ambiance.

Monthly Sunshine Duration in Atlixco: September Highlighted

The September sunshine duration represents the total number of hours Atlixco 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: Atlixco September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Atlixco During September

In Atlixco, Mexico, the chance of enjoying sunny weather experiences a notable decline as September rolls in, with only an 18% likelihood of sun. This drop follows the warmer months of summer, characterized by much higher percentages; for instance, May boasts a 40% chance, while August only slightly edges higher at 30%. As the region transitions from the sultry summer heat into the cooler autumn days, the weather patterns reflect a marked shift, making September one of the gloomiest months in terms of sunshine. With such a low probability for clear skies, it's wise for visitors to prepare for more cloudy days as they explore this charming destination.

Percentage of Sunny Days in September in Atlixco

The chart illustrates the percentage of sunny days in Atlixco 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 Atlixco experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%89%74%67%40%8%25%30%18%36%63%82%
Data source: Atlixco September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Atlixco in September

In September, Atlixco, Mexico enjoys about 12 hours of daylight, maintaining the summer trend identified in the previous months. As the year transitions from the sun-drenched days of May and June, which boast the maximum 13 hours, September offers a gentle shift towards shorter days, reminiscent of the late summer and early autumn. Following this month, daylight gradually decreases into October, with only 11 hours remaining as winter approaches. This pattern underscores a natural rhythm in Atlixco, where sunlight ebbs and flows throughout the year, providing a beautiful backdrop for the vibrant local culture and stunning landscapes.

Average Daylight Hours in Atlixco for September

The chart illustrates the variation in daylight duration in Atlixco throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 7m11h 31m12h 2m12h 34m13h 1m13h 14m13h 7m12h 43m12h 12m11h 41m11h 13m11h
Data source: Atlixco daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Atlixco

As September graces Atlixco, Mexico, the average wind speed maintains a gentle rhythm, settling at 1.8 m/s (4 mph). This is consistent with the preceding months of June, July, and August, where the winds were similarly calm. The slight decrease from the early months of the year, such as January through April, which hovered around 2.1 to 2.4 m/s, reflects a seasonal shift towards a more tranquil atmosphere. As we transition into October, a slight uptick in wind speed is expected, hinting at nature's subtle changes. Overall, September's breeze draws a serene curtain over summer, inviting moments of relaxation amidst the vibrant landscapes of Atlixco.

Average September Wind Speed in Atlixco

The chart displays monthly wind speed patterns in Atlixco, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.42.22.41.91.81.81.81.8 m/s2.02.32.0
Data source: Atlixco September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Atlixco Compares to Other Months

The weather in Atlixco 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 Atlixco and find detailed weather information for every month.

September and January present quite different weather patterns. September boasts a mild average temperature of 17°C (63°F), with maximums reaching up to 26°C (79°F). However, it also brings significant rainfall, with 281 mm (11.1 in) of precipitation over 26 days, contributing to a high humidity level of 82%. In contrast, January features cooler temperatures, with an average of 14°C (58°F) and similar maximums of 26°C (80°F), but it experiences significantly less rainfall, with only 12 mm (0.5 in) over just 2 days, resulting in a slightly higher humidity of 84%. For more detailed information, you can visit Atlixco weather in January.

September and February exhibit contrasting weather patterns. September typically sees a wider temperature range, with minimums around 10°C (50°F) and maximums reaching up to 26°C (79°F), coupled with significant rainfall of 281 mm (11.1 in) over 26 days, resulting in high humidity levels of 82%. In contrast, February features milder temperatures, with minimums dropping to 5°C (42°F) and maximums peaking at 27°C (82°F). This month experiences much less precipitation, totaling only 8 mm (0.3 in) across just 2 days, and slightly lower humidity at 78%. For more detailed insights into February weather, you can visit Atlixco weather in February.

In September, temperatures range from a minimum of 10°C (50°F) to a maximum of 26°C (79°F), averaging around 17°C (63°F). This month is characterized by significant precipitation, totaling 281 mm (11.1 in) over 26 days, and high humidity levels at 82%. In contrast, March sees milder weather with temperatures ranging from a low of 7°C (44°F) to a high of 29°C (85°F), averaging 18°C (65°F). Precipitation in March is minimal, amounting to only 27 mm (1.1 in) across just 6 days, and the humidity is slightly lower at 75%. For more detailed information about March weather in Atlixco, you can visit Atlixco weather in March.

In comparing the weather of September and April, we notice distinct differences in temperature and precipitation patterns. September reaches an average temperature of 17°C (63°F), with maximums of 26°C (79°F), while April boasts a slightly higher average of 19°C (66°F) and peaks at 29°C (84°F). However, September is significantly wetter, experiencing 281 mm (11.1 in) of rainfall over 26 days, in contrast to April's much drier conditions with only 66 mm (2.6 in) over 11 days. Additionally, the humidity is higher in September at 82%, compared to April's more comfortable 70%. For a deeper look at the April climate, you can visit Atlixco weather in April.

In comparing the weather of September and May, we find distinct differences in temperature and precipitation. September experiences a cooler average temperature, ranging from a minimum of 10°C (50°F) to a maximum of 26°C (79°F), while May is generally warmer, with averages between 10°C (50°F) and 29°C (85°F). Additionally, September is notably wetter, receiving 281 mm (11.1 in) of rainfall over 26 days, compared to May's 162 mm (6.4 in) over 20 days. This results in a higher humidity level in September at 82%, compared to May's 77%, making the latter month feel relatively drier. For more details, you can check Atlixco weather in May.

September and June exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 10°C (50°F) to a maximum of 26°C (79°F), with an average of 17°C (63°F). The month is characterized by higher precipitation, totaling 281 mm (11.1 in) over 26 days, and humidity levels reach 82%.

In contrast, June tends to be slightly warmer, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 30°C (86°F) and an average of 18°C (64°F). It also sees a heavier rainfall at 311 mm (12.2 in) across 24 days, but the humidity is lower at 76%. Overall, while both months are wet, September feels cooler and more humid compared to the comparatively warmer June. For further details, you can check Atlixco weather in June.

When comparing the weather in September and July, we notice that September tends to be slightly cooler overall, with an average temperature of 17°C (63°F) compared to July's average of 18°C (64°F). However, July experiences a higher maximum temperature of 28°C (82°F) versus September's maximum of 26°C (79°F). Precipitation is notably higher in September, with 281 mm (11.1 in) falling over 26 days, while July sees 216 mm (8.5 in) of rain over 24 days. Additionally, September is more humid at 82%, making it feel more muggy compared to July's humidity of 68%. For more details on July's weather patterns, you can refer to Atlixco weather in July.

In comparing the weather between August and September, both months experience similar temperature ranges, with September showing slightly lower average temperatures, peaking at 26°C (79°F) compared to August's 27°C (80°F). However, September brings increased precipitation, totaling 281 mm (11.1 in) over 26 rainy days, whereas August has less rainfall at 239 mm (9.4 in) with the same number of rainy days. Additionally, the humidity levels rise significantly in September to 82%, compared to August's 70%, leading to a more humid atmosphere as summer transitions to fall. For a more detailed look at weather patterns during August, you can check Atlixco weather in August.

September and October display a gradual transition in weather characteristics. While September boasts a wider range of temperatures, with minimums around 10°C (50°F) and maximums reaching 26°C (79°F), October's temperatures dip slightly, featuring a minimum of 7°C (45°F) but a slightly higher maximum of 27°C (80°F). Rainfall is significantly reduced in October, dropping to 125 mm (4.9 in) over 18 days, compared to September's considerable 281 mm (11.1 in) across 26 days. Humidity also rises in October, reaching 91% from September's 82%. For more details on the October climate, visit Atlixco weather in October.

September and November showcase distinct weather differences. September tends to be warmer, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 26°C (79°F) and an average of 17°C (63°F). However, it is also notably wetter, experiencing 281 mm (11.1 in) of precipitation over 26 days and accompanied by a humidity level of 82%. In contrast, November cools down slightly with temperatures varying from a minimum of 5°C (42°F) to a peak of 28°C (82°F), maintaining a similar average of 16°C (61°F). This month is much drier, with only 42 mm (1.7 in) of rainfall occurring across just 5 days, albeit with a higher humidity of 89%. For a detailed look at November's climate, you can visit Atlixco weather in November.

In September, the weather is characterized by a broader range of temperatures, with a minimum of 10°C (50°F) and a maximum reaching up to 26°C (79°F), while the average temperature hovers around 17°C (63°F). This month experiences significant rainfall, with a total precipitation of 281 mm (11.1 in) over 26 days, and humidity levels at 82%. In contrast, December showcases milder temperatures, with a minimum of 3°C (38°F) and the same maximum of 26°C (79°F), but the average drops to 15°C (58°F). Precipitation is minimal in December, at just 5 mm (0.2 in) on a single day, while humidity slightly increases to 88%. For more details on the weather in December, visit Atlixco weather in December.

Compare Atlixco's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Atlixco

As September unfolds in Atlixco, the weather presents a unique blend of mild temperatures and high humidity, making it quite distinct from other months. With daily rains accompanying an average temperature of 17°C (63°F), the atmosphere feels lush and vibrant, often enveloped in a soothing dampness. While the expectation of nearly every day being a drizzle is commonplace, this wet weather is essential for the local flora and helps create the picturesque landscapes Atlixco is known for. If you’re curious about how the rest of the year compares and how to prepare for your visit, explore more at Atlixco Climate.