Last updated: April 22, 2025
September in Mexico brings a dynamic weather experience, featuring maximum temperatures soaring to 39°C (103°F) and averaging around 29°C (85°F), providing a warm backdrop for locals and visitors alike. As the month progresses, temperatures can dip to a refreshing minimum of 21°C (71°F). However, September also ushers in a significant amount of rain, with an average precipitation of 109 mm (4.3 in) over approximately 15 days, leading to a humidity level of 78%. This seasonal shift not only cools the atmosphere but also enriches the lush landscapes that characterize the region, making it an ideal time to explore the vibrant culture and natural beauty of Mexico.
In September, Mexico experiences a delightful transition towards the end of summer, characterized by mild temperatures that average around 29°C (85°F). The month begins to feel a touch cooler, especially during the nights, with minimum temperatures hovering around 21°C (71°F), yet it can still reach a sweltering 39°C (103°F) at its peak. This month marks a noticeable drop in the searing heat commonly found in the preceding months of July and August, where daily highs often surpassed 40°C (104°F). As summer fades, September brings a refreshing reprieve, inviting both locals and visitors to revel in outdoor festivities and embrace the vibrant backdrop of Mexico’s landscapes. Whether diving into cultural celebrations or exploring the natural beauty, September is a month brimming with warmth and possibilities.
September marks a peak in precipitation for Heroes Mexicanos, Mexico, with 109 mm (4.3 in) of rainfall measured over 15 days. This substantial amount represents a slight increase from August's already impressive total, illustrating the intensifying wet season. The dramatic upswing in rain from a dry spring, which saw virtually no precipitation from May to April, highlights the region's seasonal contrast. This trend of increasing rainfall during the late summer months suggests a vibrant ecosystem supported by the lush, moisture-rich environment of early fall, making September a crucial month for the area's agricultural landscape.
September marks a peak in humidity levels in Heroes Mexicanos, Mexico, maintaining the high of 78% observed in August. This reflects a notable trend where the humidity begins to rise during the warmer months, reaching its zenith before gradually decreasing as the year progresses. Following a gradual descent from 62% in March to 58% in April, humidity escalates significantly as summer approaches, peaking in the late summer months. As October rolls around, humidity dips slightly to 75%, hinting at the transition into the drier fall season. Overall, September serves as a crucial marker in the year’s humidity pattern, illustrating the region's tropical characteristics and providing a sticky reminder of the lingering summer warmth.
As September rolls into Heroes Mexicanos, Mexico, residents and visitors alike should brace for an extremity of sun exposure reflected in the steady UV Index of 12. Matching the preceding summer months, this level indicates an extreme exposure category with a burn time of only 10 minutes. This consistent high UV Index trend from April through September emphasizes the importance of diligent sun protection, as the region experiences prolonged periods of intense solar radiation. As we move into October, the UV Index will ease to 10, but for now, it's crucial to stay vigilant. For more detailed insights on UV exposure, discover Heroes Mexicanos UV Index.
UV Risk Categories
As September arrives in Heroes Mexicanos, Mexico, the sunshine brings a warm embrace with 290 hours of sun, gently tapering off from the peak summer months. This period showcases a consistent high of sunshine, peaking at 362 hours in May, before gradually declining. While September sees fewer sunlit hours than the sizzling summer, the light remains abundant compared to the colder months ahead. The trend reveals a clear shift as daylight diminishes, transitioning from vibrant summers to the more subdued sunlight of autumn, setting the stage for the cooler months with an aura of lingering warmth.
In Heroes Mexicanos, September sees a 52% chance of sunny weather, making it a transitional month as summer draws to a close. Following the peak sunshine of May at 79%, the likelihood of sun begins to wane, with August dipping to a low 34%. However, September does present a moderate opportunity for sunshine compared to the wetter months of the latter summer. As autumn approaches, the sun makes a gentle return, leading into October's revitalizing 77% sunshine likelihood. This pattern illustrates the region's appealing balance between vibrant summer days and the milder, sun-kissed charm of early fall. Enjoyable weather still lingers as September blends the remnants of warmth with the promise of pleasant days ahead.
In Heroes Mexicanos, Mexico, the daylight duration begins to settle as September arrives, providing approximately 12 hours of sunlight each day. This marks a gradual transition from the longer days of summer, where June to August basked under 13 hours of daylight. After reaching its peak, the daylight starts to wane, with October returning to 11 hours. This pattern reflects a consistent seasonal rhythm, where the lush vibrancy of summer gives way to the cozy ambiance of fall, inviting residents to embrace the changing landscape and diminished daylight as they prepare for the coming months.
In September, the wind in Heroes Mexicanos, Mexico, begins to transition from the summer lull, with an average speed of 1.8 m/s (4 mph), marking the lowest point of the year. This gentle breeze whispers a calmness that prepares the landscape for the cooler months ahead. As summer gives way to autumn, it's evident that the winds are generally mild throughout the year, hovering around 2–2.7 m/s (5–6 mph) in the peak months. However, September's decline reflects a notable trend toward stillness, contrasting with the slightly stronger gusts of earlier months. As the air begins to cool, you can feel the subtle shift—an anticipation of the vibrant changes autumn will bring to this charming locale.
The weather in Heroes Mexicanos 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 Heroes Mexicanos and find detailed weather information for every month.
September and January present a striking contrast in weather conditions. In September, the average temperature soars to around 29°C (85°F), with highs reaching a scorching 39°C (103°F). The humidity is noticeably high at 78%, contributing to a sultry atmosphere, and the month experiences significant rainfall with about 109 mm (4.3 in) over 15 days. In contrast, January offers a cooler climate, with average temperatures dropping to 19°C (66°F), and maximums capping at 33°C (92°F). The humidity decreases to 70%, and the precipitation is minimal, averaging only 9 mm (0.4 in) over just 1 day. For more details on January weather, you can explore Heroes Mexicanos weather in January.
September and February present stark contrasts in weather. In September, temperatures are notably warmer, with average highs reaching 29°C (85°F) and a scorching peak of 39°C (103°F). The month is also characterized by significant rainfall, averaging 109 mm (4.3 in) spread over 15 days, coupled with high humidity levels of 78%. In stark contrast, February experiences much cooler temperatures, with an average high of just 19°C (67°F) and a maximum of 34°C (94°F). Precipitation is minimal during this month, totaling 16 mm (0.6 in) over only 2 days, and the humidity drops to a more comfortable 67%. For more detailed information on the February weather, you can visit Heroes Mexicanos weather in February.
When comparing the weather of September and March, it becomes evident that these months differ significantly. September boasts much warmer temperatures, with an average high of 29°C (85°F) and peaks reaching up to 39°C (103°F), accompanied by high humidity at 78%. Additionally, it experiences considerable precipitation, with 109 mm (4.3 in) falling over approximately 15 days. In contrast, March presents a cooler climate, with an average high of 21°C (70°F) and maximum temperatures around 35°C (95°F). This month is marked by significantly lower precipitation at just 5 mm (0.2 in) over about 1 day, and a humidity level of 62%. For a detailed look at March weather specifics, you can check out Heroes Mexicanos weather in March.
In comparing the weather of September and April, significant differences emerge. September showcases warmer temperatures, with an average high of 29°C (85°F) and a peak reaching up to 39°C (103°F), while April offers a much cooler climate, with an average maximum of 23°C (74°F) and a high of 37°C (99°F). Additionally, September experiences substantial rainfall with 109 mm (4.3 in) over 15 days, contributing to a higher humidity level of 78%. In contrast, April boasts virtually no rainfall at just 1 mm and maintains a lower humidity of 58%. For a closer look at the climate in April, you can explore Heroes Mexicanos weather in April.
The weather in September is notably warmer and more humid compared to May. With temperatures ranging from a minimum of 21°C (71°F) to a maximum of 39°C (103°F) and an average of 29°C (85°F), September experiences increased humidity at 78% and significant rainfall, totaling 109 mm (4.3 in) over an average of 15 days. In contrast, May boasts milder conditions, with temperatures ranging from 14°C (58°F) to the same maximum of 39°C (103°F), but featuring a much lower average of 26°C (79°F) and no recorded precipitation, resulting in a humidity level of just 59%. For a deeper look into the weather patterns during this month, check out Heroes Mexicanos weather in May.
When comparing the weather in September to that of June, we see some notable differences. September has a minimum temperature of 21°C (71°F) and can reach up to 39°C (103°F), while June offers slightly cooler minimums at 18°C (64°F) and a higher maximum of 41°C (105°F). Although both months share an average temperature of 29°C (85°F), September experiences significantly more rainfall at 109 mm (4.3 in) over 15 days, leading to a higher humidity level of 78%. In contrast, June sees very little precipitation, just 16 mm (0.6 in) over a single day, along with lower humidity at 64%. For more details on June weather, you can visit Heroes Mexicanos weather in June.
In comparing the weather of September and July, September tends to be slightly cooler, with average temperatures reaching 29°C (85°F) compared to July's 31°C (88°F). July boasts a maximum temperature of 40°C (104°F), just edging out September's high of 39°C (103°F). Additionally, September experiences more precipitation, totaling 109 mm (4.3 in) and occurring over 15 days, while July averages only 58 mm (2.3 in) over 10 days. Humidity levels are also higher in September at 78%, compared to July's 74%. For a more detailed look at July's weather, you can visit Heroes Mexicanos weather in July.
In comparing the weather between August and September, we see some notable differences. August tends to be slightly warmer, with average temperatures reaching 31°C (88°F) and maximums peaking at 41°C (106°F). In contrast, September experiences a slight dip in temperature, with averages around 29°C (85°F) and a maximum of 39°C (103°F). Both months receive similar amounts of precipitation, with August totaling 108 mm (4.3 in) over 14 days and September totaling 109 mm (4.3 in) over 15 days. Additionally, humidity remains consistent at 78% for both months. For a more detailed look at August’s weather, you can check Heroes Mexicanos weather in August.
In September, the weather is characterized by a minimum temperature of 21°C (71°F) and an average of 29°C (85°F), with highs reaching 39°C (103°F). This month also sees significant rainfall, totaling 109 mm (4.3 in) over 15 days, accompanied by high humidity levels of 78%. In contrast, October presents cooler temperatures, with a minimum of 13°C (55°F) and an average of 29°C (84°F); however, it can still get as hot as 42°C (108°F). Rainfall decreases drastically to just 20 mm (0.8 in) over 3 days, and humidity slightly lowers to 75%. For more detailed information on the weather in October, you can visit Heroes Mexicanos weather in October.
September and November exhibit quite different weather patterns, with September showcasing a warmer climate characterized by average temperatures around 29°C (85°F), with highs peaking at 39°C (103°F). This month also sees significant rainfall, totaling 109 mm (4.3 in) over 15 days, accompanied by higher humidity levels at 78%. In contrast, November experiences a notable drop in temperature, with an average of 24°C (76°F) and lower extremes, as the minimum temperature can dip to 11°C (53°F). Additionally, November is much drier, recording only 25 mm (1.0 in) of precipitation over just 2 days, and maintaining a slightly lower humidity level of 74%. For more detailed information, you can check Heroes Mexicanos weather in November.
In September, the weather is typically hot and humid, with average temperatures around 29°C (85°F) and a maximum reaching up to 39°C (103°F). The month experiences significant rainfall, with 109 mm (4.3 in) of precipitation over approximately 15 days, resulting in a humidity level of 78%.
In contrast, December brings a much cooler climate, with average temperatures dropping to about 20°C (68°F). The maximum temperature in this month is 35°C (94°F), and the minimum can fall to as low as 6°C (44°F). Rainfall is minimal, totaling only 9 mm (0.4 in) across just 1 day, and humidity decreases to 72%. For more details, you can check out Heroes Mexicanos weather in December.
As September unfolds in Heroes Mexicanos, the weather takes a striking turn compared to the preceding months. Temperatures typically peak at sweltering highs, but the average drops slightly, providing a brief respite as cooler breezes begin to filter in. The month is also marked by increased humidity, making the heat feel more intense, while precipitation begins to rise, with more rainy days contributing to the lush surroundings. This shift not only highlights the transition towards the upcoming seasonal changes but also brings a refreshing contrast to the otherwise dry summer months. For more insights on the climate in this region, visit Heroes Mexicanos Climate.