September Weather in Tehuacan, Mexico

Last updated: April 22, 2025

In Tehuacan, Mexico, September ushers in a mix of warm and humid conditions, with maximum temperatures reaching around 33°C (91°F) and an average of 24°C (76°F). Minimum temperatures dip to a comfortable 18°C (65°F), providing respite from the daytime heat. However, this month is also characterized by significant precipitation, totaling 171 mm (6.8 in) over 23 rainy days, leading to a high humidity level of 87%. The combination of warmth and moisture creates a vibrant atmosphere, ideal for experiencing the lush beauty of the region during its rainy season.

September Temperature in Tehuacan

In Tehuacan, Mexico, September ushers in a transition towards milder weather, characterized by average temperatures hovering around 24°C (76°F). The month sees minimum temperatures at 18°C (65°F), aligning closely with late summer warmth, while the daily peaks can still reach a comfortable 33°C (91°F). This slight cooling trend marks a shift from the sweltering peak of summer, providing a pleasant environment for outdoor activities. As nights grow cooler, September creates a perfect balance, making it a delightful time to explore the region's rich culture and breathtaking landscapes. With only marginal fluctuations from the preceding months, Tehuacan continues to enjoy its enviable climate, offering both warmth and comfort as the year gently advances.

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

The chart illustrates September temperature patterns in Tehuacan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec707274767775777676757270
Data source: Temperature data for Tehuacan 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 Tehuacan

September marks a significant peak in precipitation for Tehuacan, Mexico, with 171 mm (6.8 in) of rainfall spread over 23 days. This month showcases the transition from the intense rainy season, often characterized by frequent storms and vibrant, lush landscapes. Remarkably, September's rainfall closely follows August's, which recorded 170 mm (6.7 in), illustrating a consistent pattern of heavy rains during the late summer months. As the rainy season winds down, the increased precipitation plays a crucial role in replenishing local water sources and nurturing the region's unique flora. Overall, September stands out as a pivotal month in Tehuacan's annual climate, embracing both the beauty and the challenges of the rainy season.

September Precipitation Trends in Tehuacan

The chart displays monthly precipitation patterns in Tehuacan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec11873286244981701721531710
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tehuacan

In September, Tehuacan, Mexico experiences a notable climatic phenomenon as humidity peaks at 87%, mirroring the elevated levels seen in August. This month marks a consistent trend of high humidity that has been building since the onset of summer, with July's humidity at 82% and an even more pronounced increase during August. Following September, a slight rise to 88% is recorded in October and persists through the end of the year. The data reveals a clear seasonal pattern, where the months leading up to fall are characterized by higher moisture levels, creating a lush atmosphere that envelops the region before transitioning into a drier climate as the year draws to a close.

September Average Humidity in Tehuacan

This chart illustrates the average monthly humidity levels in Tehuacan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%66%59%64%69%82%87%87%88%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tehuacan

In September, Tehuacan continues to experience extreme UV Index levels, maintaining a UV Index of 13 and a burn time of just 10 minutes. This trend of high exposure mirrors the intensity felt over the preceding summer months, highlighting the region's consistent susceptibility to ultraviolet rays. With the UV Index only slightly dropping from August, it's evident that residents and visitors alike must remain vigilant in protecting their skin. As temperatures begin to transition into autumn, October may bring a slight relief with a UV Index of 12, yet caution remains paramount. For those exploring outdoor activities, be sure to stay informed and take necessary precautions to avoid overexposure. For more details, check out the Tehuacan UV Index.

Maximum UV Index Levels in Tehuacan for September

The chart shows the monthly maximum UV Index (UVI) for Tehuacan 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.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414131312109
Data source: Tehuacan 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 Tehuacan

September in Tehuacan, Mexico, shines brightly with 280 hours of sunshine, making it a lovely transition from the summer months. This is a slight dip from the previous month, August, which enjoyed 294 hours of sunlight, yet still reflects the region's consistent and favorable climate. Following a pattern of gradually decreasing hours as autumn approaches, September stands as a reminder of the sun-soaked days of summer while paving the way for the more balanced sunshine of fall. Overall, the steady range of sunshine hours throughout the year highlights Tehuacan’s allure, making it a delightful destination for those seeking vibrant weather and picturesque landscapes.

Monthly Sunshine Duration in Tehuacan: September Highlighted

The September sunshine duration represents the total number of hours Tehuacan 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.
JanFebMarAprMayJunJulAugSepOctNovDec244h278h320h314h317h265h316h294h280h289h301h305h
Data source: Tehuacan September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tehuacan During September

When it comes to sunny weather in Tehuacan, Mexico, September stands out with a rather modest 13% chance of sunshine, marking it as one of the cloudiest months of the year. Following the peak sunny months of February and March, which enjoy probabilities of 69% and 64% respectively, the likelihood of sunny days sharply declines during the summer. As the rainy season progresses, June, July, and August experience dreary percentages, bottoming out in September. This trend suggests that while the vibrant colors of fall begin to emerge, those hoping for sunny skies in September may find themselves facing a predominantly overcast month. As the weather gradually clears up in October to a 32% chance, the transition towards sunnier days starts to unfold, paving the way for more favorable conditions in the months to come.

Percentage of Sunny Days in September in Tehuacan

The chart illustrates the percentage of sunny days in Tehuacan 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 Tehuacan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%69%64%48%26%11%19%16%13%32%50%63%
Data source: Tehuacan September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tehuacan in September

As the vibrant month of September unfolds in Tehuacan, Mexico, daylight remains a generous 12 hours, maintaining the trend that began in March. This month transitions from the longer days of summer, peaking at 13 hours in June, back to the more moderate daylight typical of autumn. Notably, September's daylight aligns with both August and July, indicating a consistent pattern as the region prepares to embrace the shorter days of fall. With the sun rising earlier and setting later, residents and visitors alike can enjoy ample time for outdoor activities and scenic exploration before the daylight hours gradually decrease into October.

Average Daylight Hours in Tehuacan for September

The chart illustrates the variation in daylight duration in Tehuacan throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 15m11h 35m12h 2m12h 30m12h 54m13h 5m12h 59m12h 38m12h 11m11h 44m11h 20m11h 8m
Data source: Tehuacan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tehuacan

In Tehuacan, Mexico, the September wind brings a gentle breeze with an average speed of 1.7 m/s (4 mph), marking a slight uptick from the calmer summer months of June and August. This transitional period suggests a shift in the seasons, as the winds begin to pick up before the arrival of stronger gusts in the fall months. Throughout the year, the wind patterns reveal a fascinating trend: typically, early months like January and March see more vigorous winds, averaging around 3.4 m/s (8 mph), while later months, including May and June, feature milder breezes. As autumn approaches, September’s light winds hint at the dramatic increase ahead in November, which boasts an average speed of 4.4 m/s (10 mph), setting the stage for a lively close to the year. The subtle dance of September's winds effectively bridges the serene summer and the more dynamic autumn weather, enriching the natural ambiance of this vibrant region.

Average September Wind Speed in Tehuacan

The chart displays monthly wind speed patterns in Tehuacan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.23.42.92.21.32.01.51.7 m/s2.34.42.9
Data source: Tehuacan September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tehuacan Compares to Other Months

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

When comparing the weather in September and January, a notable difference in temperature and precipitation is evident. September tends to be warmer with minimum temperatures around 18°C (65°F) and an average of 24°C (76°F), while January sees cooler conditions with a minimum of 11°C (51°F) and an average of 21°C (70°F). Both months can reach a maximum of 33°C (91°F), but September is significantly wetter, receiving 171 mm (6.8 in) of precipitation over 23 days, compared to January's mere 11 mm (0.4 in) over just 2 days. Humidity levels also remain high in both months, with September at 87% and January slightly lower at 83%. For a more detailed look at January weather in Tehuacan, check out Tehuacan weather in January.

In September, the weather tends to be quite warm and humid, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 33°C (91°F) and an average of around 24°C (76°F). The month experiences significant rainfall, with a total of 171 mm (6.8 in) over approximately 23 days, contributing to a high humidity level of 87%. In contrast, February offers a cooler climate with temperatures dropping to a minimum of 11°C (53°F) and averaging 22°C (72°F), while still reaching up to 33°C (92°F) on warmer days. February is remarkably drier, with only 8 mm (0.3 in) of precipitation falling across just 1 day, and the humidity is notably lower at 76%. For more detailed insight into February weather, check out Tehuacan weather in February.

When comparing the weather in September and March, there are notable differences in temperature, precipitation, and humidity. September tends to be warmer overall, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 33°C (91°F), while March features milder temperatures, with averages from 14°C (57°F) to 34°C (93°F). Additionally, September experiences significant rainfall, totaling 171 mm (6.8 in) over 23 days, contributing to high humidity levels of 87%. In contrast, March is much drier, with only 7 mm (0.3 in) of precipitation occurring on just 1 day and a lower humidity of 66%. For more detailed information, you can check Tehuacan weather in March.

In comparing the weather between September and April, it's clear that both months feature similar average temperatures at 24°C (76°F), but they differ significantly in extremes and precipitation. September experiences a more moderate temperature range, with a minimum of 18°C (65°F) and a maximum of 33°C (91°F), while April can soar up to 36°C (96°F), making it noticeably hotter at the high end. Moreover, September is characterized by high humidity at 87% and significant rainfall, totaling 171 mm (6.8 in) over 23 days, making it the wettest month. In contrast, April boasts much lower humidity at 59% and minimal precipitation of only 32 mm (1.3 in) across 8 days, resulting in a drier and more comfortable atmosphere. For more detailed insights, you can check Tehuacan weather in April.

In comparing the weather between September and May, we see distinct differences in temperature and precipitation. September typically enjoys milder averages, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 33°C (91°F), while May sees slightly warmer conditions, with temperatures ranging from 16°C (61°F) to a high of 35°C (95°F). Humidity levels also vary significantly, with September being much more humid at 87%, compared to May's 64%. Additionally, September experiences heavier rainfall, with 171 mm (6.8 in) over 23 days, while May has a drier climate, receiving only 86 mm (3.4 in) of precipitation over 19 days. For more details about May weather, you can check Tehuacan weather in May.

In comparing the weather of September to June, we see some notable differences despite similar average temperatures. September has a minimum temperature of 18°C (65°F) and a maximum of 33°C (91°F), with an average of 24°C (76°F). It also experiences high humidity at 87% and significant rainfall of 171 mm (6.8 in) over 23 days. In contrast, June is slightly warmer with a minimum of 19°C (66°F) and a maximum of 33°C (92°F), while maintaining the same average temperature of 24°C (76°F). However, June is wetter, with a total precipitation of 244 mm (9.6 in) spread over 25 days and lower humidity at 69%. For more detailed weather specifics, you can visit Tehuacan weather in June.

In comparing the weather of September and July, September experiences slightly cooler temperatures with average highs around 33°C (91°F) compared to July's peak of 34°C (93°F). However, both months have similar minimum temperatures, with September averaging 18°C (65°F) and July at 19°C (66°F). Notably, September sees significantly more precipitation, totaling 171 mm (6.8 in) over 23 days, while July has only 98 mm (3.8 in) across 18 days. This results in a higher humidity level in September at 87%, compared to July's 82%. For more detailed information about July weather, you can visit Tehuacan weather in July.

Comparing the weather in September and August reveals some intriguing similarities and slight variations. Both months experience a minimum temperature of 18°C (65°F) and a maximum of 33°C (91°F), but September tends to have a slightly lower average temperature of 24°C (76°F) compared to August’s average of 25°C (77°F). Precipitation levels are quite comparable as well, with September receiving 171 mm (6.8 in) over 23 days, just marginally more than August's 170 mm (6.7 in) over 20 days. Throughout both months, humidity remains high at 87%. For a more detailed look at August weather specifics, you can check Tehuacan weather in August.

In September, the weather features a warmer range of temperatures, with minimums reaching 18°C (65°F) and maximums peaking at 33°C (91°F). The month is also quite humid, averaging around 87%, and experiences significant rainfall, totaling 171 mm (6.8 in) over 23 days. In contrast, October shows a slight decrease in temperature, with minimums dropping to 16°C (62°F) and maximums at 32°C (89°F). The precipitation also decreases to 153 mm (6.0 in), spread over 18 days, though humidity remains slightly higher at 88%. For more details on the conditions you might expect, check out Tehuacan weather in October.

September and November exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 18°C (65°F) to a maximum of 33°C (91°F), with an average of 24°C (76°F). This month sees significant rainfall, accumulating 171 mm (6.8 in) over 23 days, coupled with high humidity at 87%. In contrast, November experiences cooler temperatures, with a minimum of 13°C (56°F), an average of 22°C (73°F), and a maximum reaching 33°C (92°F). Rainfall drops dramatically to just 17 mm (0.7 in) over only 3 days, while humidity slightly increases to 88%. For more detailed information, you can check Tehuacan weather in November.

In September, the weather is characterized by warmer temperatures, with a minimum of 18°C (65°F) and an average of 24°C (76°F), reaching a maximum of 33°C (91°F). This month also experiences significant rainfall, totaling 171 mm (6.8 in) over 23 days, coupled with high humidity levels of 87%. In contrast, December brings cooler conditions with a minimum of 11°C (52°F) and an average temperature of 21°C (71°F), peaking at 32°C (90°F). Notably, December sees a dramatic reduction in precipitation, with only 10 mm (0.4 in) falling across just 3 days, while humidity remains slightly elevated at 88%. For more detailed information, check Tehuacan weather in December.

Compare Tehuacan's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Tehuacan

As September unfolds in Tehuacan, it brings a notable shift in weather patterns compared to other months. The air becomes more humid and the frequency of rainfall increases, with the city experiencing nearly three-quarters of the month's days touched by precipitation. This creates a lush, vibrant atmosphere, even as daytime temperatures remain warm, often peaking at 33°C. The contrast between the cooler nights and the steamy afternoons makes September a unique transitional period in the region's climate. For more detailed insights into what to expect throughout the year, visit Tehuacan Climate.