Last updated: April 22, 2025
September in Zacatlan, Mexico offers a unique weather experience, characterized by a maximum temperature soaring up to 25°C (78°F) and an average of 17°C (63°F), which invites a comfortable yet refreshing ambiance. As the month progresses, expect minimum temperatures to dip to about 7°C (45°F). This time of year is marked by significant precipitation, with a staggering 337 mm (13.3 in) of rain falling over 27 days, leading to a humidity level of 82% that enhances the region's lush, vibrant landscapes. Ideal for nature enthusiasts and adventurers, the blend of mild temperatures and frequent showers creates a picturesque setting in this charming mountain town.
In September, Zacatlan, Mexico experiences mild and pleasant temperatures, with a minimum of 7°C (45°F) and a comfortable average of 17°C (63°F). This month marks a slight transition as it welcomes the coolness of autumn, yet the maximum temperature hovers around 25°C (78°F), maintaining a warm atmosphere reminiscent of summer. Compared to previous months, September offers consistency in warmth, closely resembling the previous heights of August. Overall, it's a delightful time to visit, perfectly balancing the remnants of summer's warmth with the crispness of fall.
September marks a remarkable peak in precipitation for Zacatlán, with an impressive 337 mm (13.3 in) of rainfall spread across 27 days, making it one of the wettest months of the year. This significant increase follows August's own hefty total of 309 mm (12.2 in) and highlights a consistent trend of escalating wetness as the rainy season reaches its climax. The data reveals that while the dry months see markedly lower totals, the late summer and early autumn transitions into a period of abundant moisture, crucial for the region's lush greenery. Overall, September exemplifies the region's characteristic tropical climate, where vibrant landscapes flourish amidst sustained rainfall.
In Zacatlán, Mexico, the humidity levels exhibit a noticeable fluctuation throughout the year, with September standing out at 82%. This month marks a return to higher humidity following the drier days of late summer, peaking just below the year’s highest readings in October and November, where humidity reaches 91% and 89% respectively. As autumn approaches, the transition from July and August, which see lower humidity at 68% and 70%, reflects the gradual cooling and moisture increase in the atmosphere. This pattern suggests that September serves as a bridge, blending the remnants of summer heat with the impending dampness of the fall, making it a pivotal month in Zacatlán's climatic rhythm.
In September, Zacatlan, Mexico experiences an extreme UV Index of 14, making sun protection crucial as the burn time is just 10 minutes. This intensity remains consistent with the preceding months of July and August, both of which also recorded a UV Index of 14. Interestingly, this month marks the culmination of a summer trend where the UV Index peaked at 15 in May, highlighting the region's persistent exposure to high UV levels. As autumn approaches in October, the UV Index drops slightly to 12, yet it’s still considered extreme. For residents and visitors alike, strategic sun safety measures are essential throughout the year. For more details about the sun's intensity in this beautiful area, you can check out the Zacatlan UV Index.
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In September, Zacatlán, Mexico, enjoys a delightful 260 hours of sunshine, marking a gentle transition from the height of summer. This month reflects a slightly decreased brightness compared to the peak of late spring and early summer, where hours peaked at 316 in May. Interestingly, as the year progresses, sunshine hours maintain a relatively stable presence, with September falling in line with the warmer months but not straying far from the overall average. This trend showcases Zacatlán's mild climate, where even as autumn approaches, the sun continues to grace the town generously, providing perfect conditions for exploration and enjoyment of its compelling landscapes and rich culture.
In Zacatlán, Mexico, the likelihood of sunny weather in September is relatively low, with only a 12% chance of sunshine. This aligns with a broader trend observed during the summer months, where the sun makes a rare appearance—July and August offer even lower probabilities at 13% and 18%, respectively. Following this dim period, the sun begins to make a comeback in October with a 27% chance, hinting at the gradual transition towards more favorable conditions as the year progresses. Thus, while September may not be the ideal time for sun-seekers, the promise of brighter days looms just around the corner.
In Zacatlan, Mexico, the rhythm of daylight duration throughout the year reveals a captivating pattern. Starting with 11 hours in January and February, the days gradually lengthen, peaking at 13 hours from May to July, where the warmth of summer bathes the region in sunlight. As August fades into September, daylight tapers slightly to 12 hours, signaling the transition into autumn. This harmonious cycle then continues its descent as October and November return to 11 hours, ultimately resting at 10 hours in December. This natural ebb and flow not only dictates daily life but also enhances the enchanting landscape of Zacatlan, inviting both locals and visitors to embrace each changing season.
As September unfolds in Zacatlán, Mexico, the gentle whispers of the wind reveal a subtle decline in average speeds, settling at 1.4 m/s (3 mph). This marks a continuation of the summer's soothing breezes, which often hover around 1.6 m/s (4 mph) in August. Following a pattern seen earlier in the year, the wind remains fairly calm as the season transitions into fall. Notably, the most consistent wind conditions occur from April through August, with slightly higher speeds, while September stands as a precursor to the cooler months where winds slightly regain strength in October. Overall, this tranquil September air contributes to the charm of Zacatlán, inviting both locals and visitors to relish in its serene atmosphere.
The weather in Zacatlan 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 Zacatlan and find detailed weather information for every month.
September and January present quite different weather patterns. In September, temperatures range from a mild 7°C (45°F) at night to a comfortable 25°C (78°F) during the day, with an average of 17°C (63°F). This month is marked by significant precipitation, totaling 337 mm (13.3 in) over 27 days, and high humidity at 82%. In contrast, January experiences cooler temperatures, with a minimum of 1°C (34°F) and an average of 11°C (53°F), but also reaches up to 25°C (78°F). Precipitation is much lower in January, totaling just 73 mm (2.9 in) over 12 days, and humidity remains fairly high at 84%. For a more detailed look at January weather, you can check Zacatlan weather in January.
In comparing the weather between September and February, September tends to be warmer with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 25°C (78°F). It also experiences significantly higher precipitation, totaling 337 mm (13.3 in) across 27 rainy days, contributing to a humidity level of 82%. In contrast, February presents cooler conditions with temperatures that vary from 1°C (34°F) at night to a maximum of 29°C (84°F) during the day. Precipitation is much lower in February, amounting to only 58 mm (2.3 in) over 11 days, along with a slightly lower humidity of 78%. For further details, you can check Zacatlan weather in February.
When comparing the weather in September and March, it’s clear that September tends to be warmer and wetter. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 25°C (78°F), with an average of 17°C (63°F). This month experiences significant rainfall, totaling 337 mm (13.3 in) over 27 days, leading to high humidity at 82%. In contrast, March is slightly cooler, with temperatures ranging from a minimum of 3°C (38°F) and peaking at 29°C (84°F), averaging 15°C (59°F). Precipitation drops to 88 mm (3.5 in) spread over just 14 days, and humidity also decreases to 75%. For more information about the weather patterns specific to March, you can visit Zacatlan weather in March.
September and April present distinct weather patterns. In September, temperatures range from a cooler minimum of 7°C (45°F) to a warmer maximum of 25°C (78°F), with an average of 17°C (63°F). The month is marked by substantial precipitation, with 337 mm (13.3 in) falling over 27 days, contributing to a high humidity level of 82%. In contrast, April boasts slightly milder temperatures, where the minimum is 6°C (44°F) and the maximum reaches 29°C (85°F), with an average temperature also at 17°C (62°F). Precipitation is significantly lower in April, at 101 mm (4.0 in) over 20 days, reflecting a drier climate and a lower humidity of 70%. This comparison highlights April’s warmer and drier conditions relative to the wetter, more humid September. For more details, check out Zacatlan weather in April.
September and May present contrasting weather patterns, with September being generally cooler and wetter. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 25°C (78°F), while May sees slightly higher temperatures, with a minimum of 8°C (46°F) and a maximum of 29°C (85°F). Additionally, September experiences significantly more rainfall, with 337 mm (13.3 in) over 27 days compared to May's 150 mm (5.9 in) across 21 days. The humidity is also higher in September at 82%, compared to May's 77%. For a closer look at May's climate, you can visit Zacatlan weather in May.
In comparing the weather of September and June, we see distinct differences in temperature and precipitation patterns. September has a slightly cooler temperature range, with a minimum of 7°C (45°F) and a maximum of 25°C (78°F), while June maintains warmer temperatures, peaking at 28°C (82°F). Both months share a similar average temperature of around 17°C (63°F to 64°F). However, September experiences significantly more rainfall, with 337 mm (13.3 in) over 27 days, compared to June's 264 mm (10.4 in) over 25 days. Additionally, September's humidity is higher at 82%, compared to June's 76%. For a detailed look at June's weather in Zacatlan, you can visit Zacatlan weather in June.
When comparing the weather in September and July, both months share a similar average temperature of 17°C (63°F), with July experiencing slightly higher minimum temperatures at 10°C (50°F) compared to September's 7°C (45°F). However, July typically has a lower maximum temperature, only reaching up to 25°C (77°F), while September can peak at 25°C (78°F). Precipitation patterns also differ significantly; September sees over 337 mm (13.3 in) of rain across 27 days, making it much wetter than July, which has 225 mm (8.8 in) spread over 29 days. Additionally, September's high humidity level at 82% contrasts with July's milder 68%, resulting in a more humid atmosphere in September. For a detailed look at July weather, visit Zacatlan weather in July.
In comparing the weather between August and September, we see some interesting differences and similarities. Both months exhibit an average temperature of 17°C (63°F) and a maximum of 25°C (78°F), but September's minimum temperature is slightly cooler at 7°C (45°F), compared to August's 8°C (48°F). Rainfall is more prevalent in September, with 337 mm (13.3 in) spread over 27 days, whereas August experiences 309 mm (12.2 in) over a slightly longer span of 29 days. Additionally, September has a higher humidity level at 82%, compared to August's 70%. For a more detailed look at August conditions, you can refer to Zacatlan weather in August.
In September, the weather features a more diverse temperature range, with minimums around 7°C (45°F) and maximums peaking at 25°C (78°F), resulting in an average of 17°C (63°F). However, September is marked by significant rainfall, with 337 mm (13.3 in) of precipitation over 27 days, coupled with a humidity level of 82%.
In contrast, October sees slightly cooler average temperatures, with minimums dropping to 6°C (42°F) and maximums reaching 26°C (80°F), leading to an overall average of 16°C (61°F). Precipitation also decreases to 260 mm (10.2 in), occurring over 22 days, and humidity rises to 91%. For more detailed insights, check out Zacatlan weather in October.
September and November present distinct weather patterns. September boasts warmer temperatures, with an average of 17°C (63°F) and highs reaching up to 25°C (78°F), alongside a significant amount of rainfall at 337 mm (13.3 in) over 27 days, creating a humid environment with 82% humidity. In contrast, November experiences cooler temperatures, with an average of 13°C (56°F) and highs of 24°C (76°F), while precipitation decreases significantly to 104 mm (4.1 in) over just 13 days. The humidity remains relatively high at 89%, contributing to a damp feel despite the cooler temperatures. For more detailed information, you can check Zacatlan weather in November.
September and December present a stark contrast in weather conditions. September boasts warmer temperatures, with an average of 17°C (63°F) and maximums reaching up to 25°C (78°F), while December experiences a chillier average of 12°C (54°F) and can see lows of -2°C (29°F). Additionally, September is notably wetter, recording 337 mm (13.3 in) of precipitation over 27 days, compared to December's minimal 37 mm (1.4 in) across just 8 days. Humidity remains high in both months, with December slightly higher at 88% compared to September's 82%. For more detailed weather conditions, you can visit Zacatlan weather in December.
September in Zacatlan brings a distinct shift in weather, characterized by increased humidity and frequent rainfall, which sets it apart from the drier months before. With an average temperature of 17°C and maximums peaking at 25°C, the days are generally mild, though the nights can be quite chilly. The month sees nearly 27 days of rain, leading to a significant precipitation total that nourishes the lush surroundings. These conditions create a unique atmosphere in Zacatlan, perfect for appreciating the natural beauty that flourishes during this time. For a deeper understanding of its overall climate, check out Zacatlan Climate.