September Weather in Cholula, Mexico

Last updated: April 22, 2025

September in Cholula, Mexico presents a delightful yet dynamic weather experience. Temperatures range from a comfortable average of 18°C (65°F) to a maximum of 27°C (81°F), providing a pleasant climate for outdoor activities. However, the month is also characterized by significant rainfall, with an impressive 260 mm (10.2 in) of precipitation falling over 25 days, creating a humid environment with levels reaching 82%. Visitors should be prepared for both sunny spells and frequent showers, making it an ideal time to enjoy the lush landscapes and vibrant culture that Cholula has to offer.

September Temperature in Cholula

In September, Cholula, Mexico, experiences mild temperatures that mark a transition into the cooler months. With minimums around 10°C (50°F) and a cozy average of 18°C (65°F), the warmth peaks at a comfortable 27°C (81°F). This month shows a slight decrease in temperature compared to the summer, similar to August, which features a comparable high. Although the nights start to feel a bit chillier, the days remain pleasantly warm, making September an ideal time for outdoor exploration. As the temperature trends downwards, visitors can enjoy the vibrant culture and stunning landscapes of Cholula without the sweltering heat of the summer months, creating a delightful balance of warmth and comfort.

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

The chart illustrates September temperature patterns in 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 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 Cholula

In September, Cholula, Mexico, experiences a striking increase in precipitation, with 260 mm (10.2 in) of rainfall, making it the wettest month of the year. This spike in moisture corresponds with the 25 rainy days, highlighting a shift from the drier conditions of the earlier months. Following a gradual rise from a mere 7 mm in January to a peak in September, the rainy season becomes particularly pronounced, with the summer months of June through August already contributing significant rainfall. The trend showcases the transition from light winter precipitation to a lush, rain-soaked environment, which not only revitalizes the local landscape but also sets the stage for the vibrant growth characteristic of Cholula's lush vegetation in the lead-up to the dry season.

September Precipitation Trends in Cholula

The chart displays monthly precipitation patterns in 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 Cholula

In September, Cholula, Mexico experiences a notable spike in humidity, reaching 82%, which is higher than the preceding months, marked by a gradual peak in humidity during the late summer. Following the relative comfort of July and August, which saw lower levels at 68% and 70% respectively, September ushers in a more humid atmosphere as it transitions into autumn. This increase is part of a broader trend as humidity levels consistently rise towards the year's end, culminating in the high levels observed in October, November, and December, where they soar to around 91% and 89%. As such, September serves as a pivotal bridge, hinting at the moist conditions that envelop Cholula in the coming months.

September Average Humidity in Cholula

This chart illustrates the average monthly humidity levels in 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 Cholula

During September, Cholula, Mexico, experiences a UV Index of 14, categorized as extreme with a burn time of just 10 minutes. This trend of high UV exposure is consistent throughout the summer months, peaking in April to July at an index of 15. As summer gives way to fall, the UV levels slightly decline, with September mirroring the previous month, August, at 14. This sustained high UV exposure underscores the importance of sun protection during this time. For more detailed insights on UV levels, visit Cholula UV Index.

Maximum UV Index Levels in Cholula for September

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

September in Cholula, Mexico, continues the trend of abundant sunshine that characterizes the late summer months. With 280 hours of sunlight, it falls slightly short of the peak enjoyed in May and June but remains comfortably above the yearly average. This month signals a gradual transition toward the cooler days of autumn while still offering plenty of bright skies, making it an ideal time for outdoor activities and exploration. Visitors can bask in the warmth before the inviting autumn breeze sets in, setting the stage for stunning sunsets over the historic landscape.

Monthly Sunshine Duration in Cholula: September Highlighted

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

Chance of Sun in Cholula During September

In Cholula, Mexico, the likelihood of sunny weather in September dips significantly, with only a 19% chance of sunshine, making it one of the cloudier months of the year. This low percentage follows a summer of scarce sunlight, notably dropping from August's 32% and continuing a trend evident throughout the rainy season, which peaks during the summer months. In contrast, early fall sees a gradual rebound as October experiences a 38% chance of sunshine, suggesting a slow return to clearer skies. Overall, September stands as a stark reminder of the region’s seasonal shifts, where the vibrancy of sunny days gives way to the lushness brought by rain.

Percentage of Sunny Days in September in Cholula

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

Daylight Hours in Cholula in September

In Cholula, Mexico, September ushers in a satisfying balance of 12 hours of daylight, maintaining the trend established over the summer months. As the year transitions from the longer days of May, June, and July, when the sun graces the sky for 13 hours, the daylight gradually tapers off. This rhythmic pattern showcases the region’s consistent seasonal shifts, where early autumn brings a gentle decline, aligning perfectly with the shorter days of the approaching fall. As October looms, daylight will further diminish to 11 hours, marking a graceful descent towards winter, but for now, September offers a delightful blend of light that encourages outdoor exploration and vibrant community gatherings.

Average Daylight Hours in Cholula for September

The chart illustrates the variation in daylight duration in 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: Cholula daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Cholula

As September unfolds in Cholula, Mexico, the average wind speed gently settles at 2.0 m/s (4 mph), marking a subtle increase from the summer months. Following a steady decline from 2.8 m/s in April to the lowest point of 1.9 m/s during July and August, the wind begins to show signs of life again. This slight rise hints at a transition, as the region prepares for the upcoming months where wind speeds gradually trend upwards, peaking at 2.6 m/s in November. Overall, September serves as a serene interlude, bridging the quieter summer breezes with the promising gusts of fall, maintaining a softness that complements the vibrant autumn scenery blooming across the landscape.

Average September Wind Speed in Cholula

The chart displays monthly wind speed patterns in 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: Cholula September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Cholula Compares to Other Months

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

In September, the weather is notably warmer, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), while experiencing significant rainfall of 260 mm (10.2 in) spread over 25 days and a high humidity level of 82%. In contrast, January features cooler conditions with temperatures dipping to a minimum of 3°C (38°F) and averaging around 15°C (59°F), though it shares the same maximum of 27°C (82°F). The month sees only 7 mm (0.3 in) of precipitation across just 1 day, resulting in a slightly higher humidity of 84%. For a detailed look at Cholula's weather in January, you can visit Cholula weather in January.

September and February present distinct weather patterns. September typically features a wider range of temperatures, with highs averaging around 27°C (81°F) and lows of 10°C (50°F), while February experiences slightly milder conditions, with temperatures peaking at 28°C (83°F) and dipping to a minimum of 5°C (41°F). Notably, rainfall is significantly more prevalent in September, with 260 mm (10.2 in) of precipitation over 25 days, compared to a mere 5 mm (0.2 in) over just 1 day in February. Both months have high humidity, with September reaching 82% and February slightly lower at 78%. For detailed information, you can check the link: Cholula weather in February.

In comparing the weather of September and March, September tends to be more humid and wetter, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F) and receiving about 260 mm (10.2 in) of precipitation over 25 days. In contrast, March presents a drier climate with significantly less rainfall at 14 mm (0.6 in) over only 4 days, while the temperatures vary from a minimum of 6°C (43°F) to a maximum of 31°C (87°F), showcasing slightly warmer average conditions. Overall, while September is characterized by higher humidity and precipitation, March offers a sunnier and drier experience. For more details, you can check Cholula weather in March.

September and April showcase distinct weather patterns that reflect the transition between seasons. In September, temperatures range from a cool 10°C (50°F) to a warm 27°C (81°F), with an average of 18°C (65°F). This month is characterized by high humidity at 82% and significant rainfall, totaling 260 mm (10.2 in) spread over 25 days. In contrast, April offers milder temperatures, with a minimum of 8°C (47°F) and a maximum of 30°C (86°F), averaging 20°C (68°F). The precipitation is considerably lower in April, at just 35 mm (1.4 in) over 7 days, accompanied by a more comfortable humidity level of 70%. For more details on April weather in Cholula, check Cholula weather in April.

In comparing the weather of September and May, we see distinct differences in temperature and precipitation. September generally features cooler average temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), with an average of 18°C (65°F). In contrast, May offers warmer temperatures, from a minimum of 11°C (52°F) to a high of 31°C (89°F), with an average of 20°C (68°F). Precipitation levels are also notably different, with September receiving a substantial 260 mm (10.2 in) of rain over 25 days, while May has much lighter rainfall of 95 mm (3.8 in) over just 16 days. Humidity levels are slightly higher in September at 82% compared to May's 77%. For more detailed information about weather conditions during this time, you can visit Cholula weather in May.

September and June exhibit notable differences in weather patterns. In June, temperatures range from a minimum of 11°C (52°F) to a maximum of 31°C (88°F), with an average temperature of 19°C (66°F). Conversely, September experiences slightly cooler temperatures, with minimums at 10°C (50°F), averages of 18°C (65°F), and maxima reaching 27°C (81°F). Although June is warmer, it also sees more humid conditions with a humidity level of 76%, compared to September's 82%. Rainfall is another point of contrast, as September has a higher precipitation total of 260 mm (10.2 in) over 25 days, while June records 227 mm (8.9 in) across 22 days. For more detailed insights, refer to Cholula weather in June.

In comparing the weather between September and July, both months feature similar average temperatures at around 18°C (65°F), but July experiences slightly higher maximum temperatures, peaking at 29°C (84°F) compared to September's maximum of 27°C (81°F). However, September is notably wetter, with 260 mm (10.2 in) of precipitation over 25 days, while July has only 172 mm (6.8 in) over 21 days. Furthermore, September has higher humidity levels at 82%, compared to July's 68%. For more details about July weather, you can refer to Cholula weather in July.

In comparing the weather of September and August, both months share similar average temperatures, with September recording a minimum of 10°C (50°F) and a maximum of 27°C (81°F), while August has a slightly higher minimum of 11°C (51°F). However, September is notably wetter, receiving 260 mm (10.2 inches) of precipitation over 25 days compared to August's 216 mm (8.5 inches) over 23 days. This increase in rainfall contributes to a higher humidity level in September at 82%, compared to August's 70%. For a detailed look at August weather, you can refer to Cholula weather in August.

September and October show some notable differences in weather patterns. While both months have similar average temperatures around 18°C (64°F), September experiences a wider temperature range with a minimum of 10°C (50°F) and a maximum of 27°C (81°F). In contrast, October starts cooler with a minimum of 7°C (46°F) but maintains the same maximum temperature of 27°C (81°F).

Precipitation also varies significantly, as September sees a much higher total of 260 mm (10.2 in) over 25 days, compared to October's 109 mm (4.3 in) over just 15 days. Additionally, October is marked by increased humidity at 91% compared to September's 82%. For specific insights on October conditions, you can refer to Cholula weather in October.

September typically exhibits a warmer climate, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 27°C (81°F), alongside significant rainfall totaling 260 mm (10.2 in) over 25 days. The humidity remains relatively high at 82%, making the month feel quite muggy.

In contrast, November experiences cooler temperatures, averaging between 6°C (42°F) and 28°C (83°F), but with much lower precipitation at only 28 mm (1.1 in) over just 4 days. The humidity increases slightly to 89%, giving November a crisp yet damp feel.

For more details on the weather specifics in November, check out this link: Cholula weather in November.

September and December present distinct weather contrasts. In September, temperatures vary significantly with a minimum of 10°C (50°F), an average of 18°C (65°F), and a maximum reaching 27°C (81°F). This month is characterized by high humidity at 82% and considerable rainfall, averaging 260 mm (10.2 in) over 25 days, creating a lush environment. In contrast, December sees cooler temperatures, with a minimum of 3°C (37°F) and an average of 15°C (59°F), while still allowing for maximum temperatures to reach the same 27°C (81°F). Notably, December experiences minimal precipitation, just 6 mm (0.2 in) across 0 days, and slightly higher humidity at 88%. For more detailed information, check out Cholula weather in December.

Compare Cholula's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Cholula

As September unfolds in Cholula, the weather takes on a unique character, marking a transition from the warm summer months to the cooler autumn. With an average temperature hovering around a comfortable 18°C (65°F), days are pleasantly mild while nights can dip significantly, offering a refreshing contrast. However, what sets September apart is its notable precipitation, with frequent rain showers that contribute to a humidity level soaring at 82%, making it one of the wettest months of the year. This combination of temperatures and rain creates a lush atmosphere, perfect for exploring the vibrant landscapes and rich culture of Cholula. For a deeper dive into the climate patterns that shape this beautiful region, visit Cholula Climate.