Last updated: April 22, 2025
September in Atotonilco, Mexico experiences a blend of warmth and moisture, characterized by a maximum temperature of 29°C (85°F) and an average of 21°C (69°F). Nighttime brings a refreshing minimum of 13°C (56°F), offering comfortable evenings. This month, the region sees significant rainfall, with total precipitation reaching 411 mm (16.2 in) over approximately 28 days, contributing to an average humidity of 82%. Visitors can expect a lush landscape and vibrant greenery, making September a unique time to experience the natural beauty of Atotonilco amidst the seasonal rains.
In September, Atotonilco, Mexico experiences a beautiful transition into autumn, showcasing mild and pleasant weather. With minimum temperatures around 13°C (56°F) and a comfortable average of 21°C (69°F), the days are warm yet refreshing. The highlight of the month is the maximum temperature reaching 29°C (85°F), ideal for outdoor activities and enjoying the vibrant local culture. This month signals a gradual decline in temperatures from the hotter summer months, setting a perfect stage for exploring Atotonilco’s rich heritage against a backdrop of clear skies and a gentle breeze. As the seasonal shift begins, the climate invites both locals and visitors to enjoy the newfound warmth and beauty of this charming destination.
In September, Atotonilco experiences a notable surge in precipitation, receiving 411 mm (16.2 in) of rain over 28 days. This significant rainfall marks the peak of the wet season, closely following the intense downpours of August. The gradual increase in precipitation from the earlier months highlights a distinct trend, where the region shifts from a relatively dry early year to a lush, waterlogged landscape in late summer and early autumn. This month not only showcases the highest rainfall of the year but also emphasizes the region's transition into a rich ecosystem, setting the stage for the wetter months ahead.
In Atotonilco, Mexico, September experiences a notable rise in humidity, reaching 82%, a slight uptick from the more moderate levels seen during the summer months. This trend reflects a transition towards the wetter conditions of autumn, as the month precedes the peak of humidity in October at 91%. Notably, the summer months of July and August had relatively lower humidity, dipping to 68% and 70% respectively, making September feel quite humid in comparison. As the year winds down, humidity levels consistently climb, with November and December maintaining high percentages of 89% and 88%. Overall, September serves as a bridge between the drier summer months and the increasingly moist fall, setting the stage for the humid conditions that characterize the latter part of the year.
In September, Atotonilco, Mexico, continues to face extreme UV Index levels at 14, akin to the peak measures seen during the summer months. With a burn time of just 10 minutes, residents and visitors alike must remain vigilant in their sun protection efforts. This month marks the tail end of a prolonged period of intense sun exposure, reminiscent of the preceding months from May to August, which also recorded a UV Index of 14. As autumn approaches, there's a slight decline anticipated in the UV levels, dropping to 11 by October, but September serves as a reminder of the importance of safeguarding against harmful rays. For further insights on UV trends, visit Atotonilco UV Index.
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In September, Atotonilco, Mexico, basks in an impressive 288 hours of sunshine, marking a slight decrease from the vibrant summer months but still shining brightly compared to the earlier part of the year. This month serves as a transitional phase, highlighting the tail end of a sunny season that peaks in May and July with over 330 hours, giving way to the more moderate daylight of autumn. As the sun begins to set earlier, the warmth of late summer lingers, inviting visitors to enjoy the last golden rays before the intensity of the fall settles in. Overall, September embodies a perfect blend of lingering warmth and softer sunlight, creating a delightful backdrop for exploration and relaxation.
As summer transitions into fall, September in Atotonilco, Mexico sees a notable dip in sunny weather, with the likelihood of sun reaching only 17%. This figure stands in stark contrast to the sun-drenched days of February, which boasts a remarkable 90% chance of clear skies. March and April maintain moderate sunshine levels at 79% and 72%, respectively, before the summer months of May through August signal a decline, with June plummeting to a mere 9%. By the time September arrives, the region feels the repercussions of this downward trend, leaving residents and visitors alike yearning for the sun as they approach the more favorable October, which sees a modest 35% chance of sunshine returning.
In September, Atotonilco, Mexico enjoys a comfortable 12 hours of daylight, maintaining a balance that reflects the transition from summer to fall. As the year progresses, daylight begins to decrease after the sunniest months of May through July, which boast an abundance of 13 hours each. Following this peak, August sees a slight dip, and September stabilizes at 12 hours, creating a seamless shift towards the shorter days of October. This gradual decline in daylight serves as a gentle reminder of the changing seasons, inviting a cozy ambiance as autumn draws near.
As September arrives in Atotonilco, Mexico, the gentle embrace of the wind begins to whisper a softer tune, with average speeds dipping to 1.3 m/s (around 3 mph). This marks the lowest point of the year, following a gradual decline from the more invigorating breezes of late spring, where April peaked at 2.1 m/s. The transition reflects a serene shift in the atmosphere, as the vibrant energy of summer winds gives way to a quieter ambiance. From June to September, wind speeds steadily decrease, hinting at the impending cooler months. Despite the drop, September's subtle breeze carries a sense of calm, inviting residents and visitors alike to savor the tranquil beauty of the changing seasons.
The weather in Atotonilco 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 Atotonilco and find detailed weather information for every month.
September and January showcase distinct weather patterns. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 29°C (85°F), with an average of 21°C (69°F). The month experiences high humidity at 82% and considerable rainfall, totaling 411 mm (16.2 in) over 28 days. In contrast, January offers cooler temperatures, with a minimum of 6°C (42°F) and an average of 18°C (65°F), but it also shares the same maximum of 29°C (85°F). Rainfall is minimal during January, with only 4 mm (0.2 in) recorded over just one day, and humidity is slightly higher at 84%. For more details about weather conditions in January, visit Atotonilco weather in January.
When comparing the weather between September and February, notable differences emerge. September experiences a milder temperature range, with minimums of 13°C (56°F) and maximums reaching up to 29°C (85°F). However, it also faces significant precipitation, averaging 411 mm (16.2 in) over 28 days, creating a humid atmosphere with humidity levels around 82%. In contrast, February presents cooler minimum temperatures of 9°C (49°F), but can peak considerably higher, reaching maximums of 31°C (88°F). This month is remarkably drier, with only 6 mm (0.2 in) of precipitation over just 1 day, and a slightly lower humidity level of 78%. For a more detailed look at February conditions, you can check out Atotonilco weather in February.
When comparing the weather in September and March, notable differences emerge in temperature, precipitation, and humidity. September experiences a milder temperature range, with averages around 21°C (69°F), whereas March heats up, reaching highs of 34°C (93°F). While September is characterized by significant rainfall of 411 mm (16.2 in) over 28 days and high humidity at 82%, March is much drier, with only 13 mm (0.5 in) of precipitation across just 3 days and relatively lower humidity at 75%. This stark contrast highlights September as a wetter, cooler month compared to the hotter, drier conditions of March. For more specific details about March weather, you can check Atotonilco weather in March.
September and April present contrasting weather experiences. September sees a cooler average temperature of around 21°C (69°F), with a maximum of 29°C (85°F), while April enjoys a warmer average of 24°C (75°F) and can reach highs of 34°C (93°F). In terms of precipitation, September is significantly wetter, with 411 mm (16.2 in) of rain spread over 28 days, compared to April's modest 29 mm (1.2 in) across just 7 days. Additionally, September's humidity remains high at 82%, making it feel more humid than April, which has a lower humidity level of 70%. For more details on the specific conditions during this month, check out Atotonilco weather in April.
September and May present contrasting weather conditions. In September, temperatures range from a cooler minimum of 13°C (56°F) to a warm maximum of 29°C (85°F), with an average of 21°C (69°F). The month is marked by significant precipitation, totaling 411 mm (16.2 in) over 28 days, contributing to a high humidity level of 82%. In contrast, May tends to be hotter, with temperatures starting at a minimum of 14°C (58°F) and reaching up to 35°C (95°F), averaging 24°C (75°F). The precipitation in May is much less, at 130 mm (5.1 in) spread across 18 days, and the humidity is slightly lower at 77%. For a detailed view of May's weather, you can check Atotonilco weather in May.
When comparing the weather in September and June, several key differences emerge. September experiences slightly cooler temperatures, with an average of 21°C (69°F) compared to June's 22°C (71°F). While September sees a higher maximum temperature of 29°C (85°F), June can reach up to 32°C (90°F). Additionally, September is wetter, receiving 411 mm (16.2 in) of precipitation over 28 days, while June has 376 mm (14.8 in) over 25 days. Humidity levels are also higher in September at 82%, compared to June's 76%. For more detailed information on June weather, visit Atotonilco weather in June.
In comparing the weather of September and July, we see distinct differences in temperature and precipitation patterns. September typically features a minimum temperature of 13°C (56°F), with averages around 21°C (69°F) and a maximum reaching 29°C (85°F). In contrast, July experiences slightly cooler temperatures, with a minimum of 12°C (55°F), an average of 21°C (71°F), and a maximum of 31°C (87°F). While July has lower overall precipitation at 276 mm (10.9 in) across 25 days, September brings significantly more rainfall, accumulating 411 mm (16.2 in) over 28 days. Additionally, September tends to be more humid, with humidity levels around 82% compared to July's 68%. For those looking to explore the weather specifics of July, more details can be found here: Atotonilco weather in July.
When comparing the weather in September to that of August, we observe a few notable differences. Both months have similar minimum temperatures of 13°C (56°F) and average temperatures around 21°C (69°F), but September tends to have slightly cooler maximum temperatures, averaging 29°C (85°F) compared to 30°C (86°F) in August. Additionally, September experiences more precipitation, with 411 mm (16.2 in) over 28 days, while August received 375 mm (14.8 in) over the same number of days. Humidity levels also rise significantly in September to 82%, making it feel more humid compared to August's 70%. For a detailed look at the weather during August, you can check Atotonilco weather in August.
In comparing the weather between September and October, we see notable differences in temperature and precipitation. September boasts a higher average temperature of 21°C (69°F) with maximum highs reaching 29°C (85°F), while October sees a slight drop in the minimum temperature to 10°C (51°F) and an average of 20°C (69°F) — although both months share the same maximum of 29°C (85°F). Precipitation significantly decreases in October, with only 173 mm (6.8 in) over 20 days compared to September's 411 mm (16.2 in) across 28 days. Additionally, October experiences slightly higher humidity at 91% compared to September's 82%. For more details, you can refer to Atotonilco weather in October.
September and November present distinct contrasts in weather patterns. September boasts warmer temperatures with a minimum of 13°C (56°F) and an average of 21°C (69°F), reaching a maximum of 29°C (85°F). However, it also brings significant rainfall, totaling 411 mm (16.2 in) spread across 28 days, coupled with high humidity at 82%. In contrast, November features cooler temperatures, with a minimum of 9°C (48°F) and an average of 19°C (67°F), while still reaching a maximum of 29°C (85°F). Notably, precipitation drops sharply to just 35 mm (1.4 in) over 5 days, although humidity increases slightly to 89%. For more detailed insights, check Atotonilco weather in November.
In September, temperatures typically range from a minimum of 13°C (56°F) to a maximum of 29°C (85°F), with an average of 21°C (69°F). The month experiences significant precipitation, totaling 411 mm (16.2 in) over 28 days, accompanied by high humidity at 82%. In contrast, December presents a cooler climate with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 29°C (84°F) and an average of 18°C (65°F). Notably, December sees minimal precipitation of just 3 mm (0.1 in) over 0 days, along with slightly higher humidity at 88%. For more detailed information, you can visit Atotonilco weather in December.
September in Atotonilco presents a distinct shift in weather patterns, characterized by higher humidity and significant rainfall that sets it apart from the drier months. With average temperatures hovering around a comfortable 21°C, the temperature range offers a pleasant respite, yet the nearly daily precipitation—often manifesting as short, intense showers—creates a lush, vibrant landscape. This month embodies a transitional phase, moving from the balmy summer heat towards the cooler fall season, making it a unique time for visitors to experience the area’s natural beauty. For more detailed insights into the seasonal variations and climate specifics, explore Atotonilco Climate.