September Weather in San Andres Cholula, Mexico

Last updated: April 22, 2025

In September, San Andres Cholula, Mexico experiences a mild climate characterized by a maximum temperature of 27°C (81°F) and an average temperature of 18°C (65°F), dipping to a refreshing minimum of 10°C (50°F) at night. This month is notably marked by significant precipitation, totaling 260 mm (10.2 in), spread over 25 rainy days, contributing to the region's lush greenery. With average humidity levels at a high 82%, visitors should prepare for a humid atmosphere, making it a perfect time for those who enjoy the richness of vibrant landscapes.

September Temperature in San Andres Cholula

September in San Andres Cholula, Mexico, ushers in a transitional period as the summer warmth begins to wane. With minimum temperatures around 10°C (50°F), residents and travelers can expect slightly cooler evenings and fresher days, perfectly complemented by an average of 18°C (65°F). Daytime highs peak at a comfortable 27°C (81°F), mirroring the pleasant temperatures of August while hinting at the upcoming fall chill. This month strikes a harmonious balance, making it an ideal time to explore the vibrant streets and enjoy outdoor activities, as the region bids farewell to the heat of summer and prepares for the inviting mildness of autumn.

September Weather in San Andres Cholula: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Andres Cholula, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec596266686866656565646159
Data source: Temperature data for San Andres Cholula 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 San Andres Cholula

In September, San Andres Cholula experiences a significant surge in precipitation, with a notable 260 mm (10.2 in) of rainfall recorded over 25 days. This marks the peak of the rainy season, reflecting an increase from the already high levels seen in August. The rise in rainfall contributes to the lush landscape typical of the region during this time, as the summer months' downpours culminate in a vibrant tapestry of flora. In contrast, the dry months of January and February, with their mere 7 mm and 5 mm respectively, highlight the stark variability in weather patterns. As the year progresses, there's a clear trend of increased rainfall from the earlier months, peaking in September before tapering off into drier fall months. This pattern underscores the seasonal rhythm of the region, where the wet season is crucial for agriculture and water supply.

September Precipitation Trends in San Andres Cholula

The chart displays monthly precipitation patterns in San Andres Cholula, 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.
JanFebMarAprMayJunJulAugSepOctNovDec75143595227172216260109286
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Andres Cholula

In September, San Andres Cholula, Mexico experiences a noticeable uptick in humidity, reaching 82%, which reflects a trend of increased moisture moving into the latter part of the year. This spike comes after a series of months with lower humidity levels, peaking at 68% in July. Following this, the humidity gently rises through August before surging again in September, hinting at the onset of the rainy season. As autumn approaches, this pattern is further accentuated by the shift towards even higher humidity levels in October, peaking at 91%. The overall trend shows that after a relatively drier summer, the air becomes significantly more humid, indicating a transition to wetter, cooler months in this charming Mexican locale.

September Average Humidity in San Andres Cholula

This chart illustrates the average monthly humidity levels in San Andres Cholula, 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 San Andres Cholula

In September, San Andres Cholula experiences a notably high UV Index of 14, categorized as extreme, which requires cautious sun exposure with a burn time of just 10 minutes. This month, like those preceding it from April to August, continues to reflect a trend of increased UV intensity, indicative of the region's intense sunshine during late summer and early fall. As sunlight remains potent, it’s vital for residents and visitors alike to prioritize sun protection to avoid skin damage. For detailed information on UV levels throughout the year, check out San Andres Cholula UV Index.

Maximum UV Index Levels in San Andres Cholula for September

The chart shows the monthly maximum UV Index (UVI) for San Andres Cholula 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: San Andres Cholula 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 San Andres Cholula

September graces San Andres Cholula with 280 hours of sunshine, a delightful continuation of its vibrant summer. While this marks a slight decrease from the 331 hours typical in May, it still fits within the region’s sunny pattern established earlier in the year. The months leading up to September showcase a robust influx of sunlight, with peak hours reached in March and April. After September, sunshine remains generous as it transitions into October, which boasts 293 hours. This steady availability of daylight throughout the year not only highlights San Andres Cholula as a sun-drenched destination but also fosters an inviting atmosphere for outdoor activities and cultural exploration. Overall, the trend reveals a rich tapestry of sunshine, making every month a potential adventure under the warm Mexican sky.

Monthly Sunshine Duration in San Andres Cholula: September Highlighted

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

Chance of Sun in San Andres Cholula During September

In San Andrés Cholula, the likelihood of enjoying sunny weather in September is relatively low, with only a 19% chance of clear skies. This follows a consistent downward trend throughout the summer months, where July and August saw 26% and 32% chances of sun, respectively. The sunny days begin to dwindle as the rainy season sets in, making September one of the cloudier months in the region. As the year progresses towards October, the chance of sunshine increases again, hinting at a seasonal shift. Thus, if you're planning a visit in September, be prepared for a mix of weather—sunshine may be scarce, but the charm of the region remains undiminished.

Percentage of Sunny Days in September in San Andres Cholula

The chart illustrates the percentage of sunny days in San Andres Cholula 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 San Andres Cholula experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%90%76%70%42%9%26%32%19%38%65%83%
Data source: San Andres Cholula September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Andres Cholula in September

In September, San Andres Cholula enjoys 12 hours of daylight, continuing the trend of prolonged light that characterizes the earlier summer months. The daylight duration remains stable compared to August, when residents experience the same length of daylight. This transitional month follows the peak of 13 hours in both May and July, reflecting a gradual reduction in daylight as the year progresses towards winter. As autumn approaches, the days will shorten, entering a phase where sunlight decreases to 11 hours in October and further to 10 hours in December. This rhythmic ebb and flow of daylight create a vibrant atmosphere that perfectly captures the essence of seasonal change in this picturesque region.

Average Daylight Hours in San Andres Cholula for September

The chart illustrates the variation in daylight duration in San Andres Cholula 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 40m11h 13m10h 59m
Data source: San Andres Cholula daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in San Andres Cholula

In San Andres Cholula, September tends to usher in a gentle breeze, with an average wind speed of 2.0 m/s (4 mph). This reflects a slight increase from the calmness of summer months, where relentless heat combined with wind speeds barely reaching 1.9 m/s (4 mph) brought a stillness to the air. As the year transitions toward autumn, the winds begin to pick up again, aligning with the moderate gusts seen in early spring and late fall. This subtle shift not only enhances the atmosphere but also signals the vibrant change in the landscape, making September a delightful time to experience the rich culture and stunning views of this historic town. Overall, the winds in September play a refreshing role in the transition from the heat of summer to the cooler months ahead.

Average September Wind Speed in San Andres Cholula

The chart displays monthly wind speed patterns in San Andres Cholula, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.92.62.82.11.91.91.92.0 m/s2.22.62.4
Data source: San Andres Cholula September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in San Andres Cholula Compares to Other Months

The weather in San Andres Cholula 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 San Andres Cholula and find detailed weather information for every month.

The weather in September is characterized by higher temperatures, with average daily highs reaching around 27°C (81°F) and a significant amount of rainfall, totaling 260 mm (10.2 in) over approximately 25 days, contributing to an average humidity of 82%. In contrast, January experiences cooler temperatures, with an average high of 27°C (82°F) as well, but with much lower overall precipitation at just 7 mm (0.3 in) and only one rainy day, along with a slightly higher humidity of 84%. Thus, while both months can reach similar maximum temperatures, September is much wetter and more humid than the relatively dry and cooler January. For more details, you can visit San Andres Cholula weather in January.

September and February present quite different weather patterns. In September, temperatures range from a cooler 10°C (50°F) at night to a warm 27°C (81°F) during the day, with an average temperature of 18°C (65°F). The month is notably wet, receiving 260 mm (10.2 in) of precipitation over 25 days, contributing to high humidity levels at 82%. In contrast, February offers milder conditions with temperatures dipping to a minimum of 5°C (41°F) and peaking at 28°C (83°F), averaging 17°C (62°F). Significantly drier, February only sees 5 mm (0.2 in) of rain across just one day, with humidity slightly lower at 78%. For a more in-depth look at February's climate, check out San Andres Cholula weather in February.

September weather is characterized by a mild temperature range, with minimums around 10°C (50°F) and maximums peaking at 27°C (81°F). The month sees considerable rainfall, averaging 260 mm (10.2 in) over 25 days, resulting in high humidity levels of 82%. In contrast, March offers a slightly warmer average temperature of 19°C (66°F) with maximum readings reaching up to 31°C (87°F). Notably, March experiences much drier conditions, with only 14 mm (0.6 in) of precipitation spread over just 4 days and a lower humidity level of 75%. For more details on March weather in this region, you can visit San Andres Cholula weather in March.

When comparing the weather in September and April, significant differences emerge. September experiences a broader temperature range, with minimums around 10°C (50°F) and maximums reaching up to 27°C (81°F), while April generally enjoys milder temperatures, with minimums of 8°C (47°F) and highs of 30°C (86°F). Additionally, September is characterized by much higher precipitation, totaling 260 mm (10.2 in) over about 25 days, compared to April's 35 mm (1.4 in) spread over just 7 days. Humidity levels also differ, with September averaging 82%, making it more humid than April's 70%. For a deeper insight into the April weather specifically, you can explore San Andres Cholula weather in April.

In comparing the weather patterns of September and May, it's evident that May tends to be warmer and drier. September experiences a broader temperature range with a minimum of 10°C (50°F) and a maximum reaching 27°C (81°F), accompanied by high humidity at 82% and significant rainfall of 260 mm (10.2 in) over 25 days. In contrast, May boasts a slightly higher average temperature of 20°C (68°F), with highs climbing up to 31°C (89°F) and considerably less precipitation at 95 mm (3.8 in) over 16 days, along with lower humidity levels at 77%. For a more detailed overview of May weather, you can visit San Andres Cholula weather in May.

When comparing the weather in September to that of June, we see several noteworthy differences. September typically has a slightly lower average temperature, ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), while June boasts a bit warmer averages with temperatures ranging from 11°C (52°F) to a maximum of 31°C (88°F). In terms of precipitation, September is notably wetter, receiving 260 mm (10.2 in) over 25 days, compared to June's 227 mm (8.9 in) across 22 days. Additionally, September experiences higher humidity levels at 82%, compared to June’s 76%. For more specific details about June weather, you can visit San Andres Cholula weather in June.

In comparing the weather of September and July, it's evident that both months have similar average temperatures, hovering around 18°C (65°F). However, September experiences cooler minimum temperatures of 10°C (50°F) compared to July's 8°C (47°F). Notably, July typically sees a slightly higher maximum temperature, reaching up to 29°C (84°F), while September's peak is 27°C (81°F). Precipitation levels are considerably higher in September, with 260 mm (10.2 in) falling over 25 days, compared to July's 172 mm (6.8 in) over 21 days. This increased rainfall makes September feel significantly more humid at 82%, whereas July maintains a lower humidity level of 68%. For more details, check out San Andres Cholula weather in July.

In comparison to August, September experiences slightly cooler minimum temperatures, dropping from 11°C (51°F) to 10°C (50°F), while the average and maximum temperatures remain consistent at 18°C (65°F) and 27°C (81°F), respectively. September is significantly wetter, with 260 mm (10.2 in) of precipitation over 25 days compared to August's 216 mm (8.5 in) over 23 days. Additionally, the humidity rises to 82% in September, compared to 70% in August, contributing to a more humid atmosphere. For more details on August's weather, you can visit San Andres Cholula weather in August.

As September transitions to October, the weather remains relatively stable with average temperatures hovering around 18°C (64°F). However, September experiences a wider temperature range, with minimums of 10°C (50°F) and maximums reaching 27°C (81°F). In contrast, October starts cooler, with minimum temperatures dropping to 7°C (46°F), while still maintaining highs up to 27°C (81°F). Precipitation also decreases significantly, as September sees 260 mm (10.2 in) over 25 days, compared to October's 109 mm (4.3 in) over just 15 days. Meanwhile, humidity levels rise slightly in October to 91%, compared to 82% in September. For a more detailed look at the weather conditions, check out San Andres Cholula weather in October.

In comparing the weather between September and November, September typically showcases a milder climate with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F). This month experiences significant rainfall, totaling 260 mm (10.2 in) over 25 days, coupled with a high humidity level of 82%. In contrast, November sees cooler temperatures, with a minimum of 6°C (42°F) and an average of 16°C (62°F), peaking at 28°C (83°F). Notably, November has much less precipitation, amounting to only 28 mm (1.1 in) over just 4 days, and a slightly higher humidity of 89%. For more details, you can refer to San Andres Cholula weather in November.

In September, the weather is characterized by a wider temperature range from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), with an average of 18°C (65°F). This month experiences significant rainfall, totaling 260 mm (10.2 in) over about 25 days, resulting in a humidity level of 82%. In contrast, December offers much cooler temperatures, with a minimum of 3°C (37°F) and an average of 15°C (59°F), while still reaching a high of 27°C (81°F). Rainfall is scarce in December, with only 6 mm (0.2 in) and no rainy days, leading to a slightly higher humidity of 88%. For more detailed information, you can check San Andres Cholula weather in December.

Compare San Andres Cholula's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in San Andres Cholula

As September unfolds in San Andres Cholula, it brings a distinct climate marked by high humidity and a considerable amount of rain, setting it apart from the drier months of the year. With an average temperature hovering around a comfortable 18°C (65°F), the weather remains mild, yet the frequent precipitation—occurring on 25 days—creates a lush and vibrant landscape. In contrast to the dry heat of summer, the cooler evenings gracing September offer a pleasant respite, perfect for evening strolls. For those interested in understanding seasonal variations in this picturesque region, you can explore more about its distinct weather patterns at San Andres Cholula Climate.