Last updated: April 22, 2025
September in Iztapalapa, Mexico presents a dynamic weather profile characterized by a maximum temperature of 24°C (75°F) and a comfortable average of 15°C (59°F). The region experiences its coolest days, with minimum temperatures dropping to 6°C (42°F). Rainfall is significant, with an impressive 321 mm (12.6 in) accumulated over approximately 25 days, leading to elevated humidity levels at 82%. This blend of warmth and moisture creates a unique and vibrant environment, perfect for showcasing Iztapalapa's rich culture and scenic beauty amidst the rains.
In September, Iztapalapa experiences a mild transition as temperatures begin to cool slightly, with a minimum of 6°C (42°F) and an average of 15°C (59°F), peaking at a comfortable 24°C (75°F). This month marks a gentle decline from the warm highs of summer, particularly seen in May and June, where temperatures reached up to 31°C (87°F). As autumn approaches, September's climate offers a refreshing reprieve, making it an ideal time for outdoor activities. The gradual shift in temperatures not only heralds the onset of fall but also invites locals and visitors alike to enjoy the vibrant atmosphere of Iztapalapa.
In September, Iztapalapa experiences a significant precipitation surge, recording 321 mm (12.6 in) of rain over 25 days. This hefty amount marks a continuation of the wet season that begins in June, with rainfall peaking in July and August before settling into a robust September. The pattern reveals a striking trend of increasing precipitation as the summer months progress, where July and August see some of the highest totals. By the time September arrives, the persistence of rain creates a lush landscape, contributing to the region's vibrant natural beauty. As the month transitions into October, rainfall begins to taper off, signaling a shift towards drier conditions in the following months.
In Iztapalapa, Mexico, September marks a notable increase in humidity, with levels rising to 82% after a relatively stable summer period. This spike reflects a transition from the drier months of July and August, where humidity dipped to 68% and 70%, respectively. As the year progresses, the trend shows a consistent upswing in humidity, culminating in the winter months, where October and November exhibit notably high levels at 91% and 89%. This pattern highlights the region's increased moisture as it moves from the warmth of late summer into the cooler season, providing a glimpse into the climatic shifts that define its annual weather cycle.
In September, Iztapalapa experiences a consistently high UV Index of 14, placing it firmly in the extreme exposure category. With a burn time of just 10 minutes, the risk of skin damage is significant, encouraging residents and visitors alike to take precautions when enjoying the sun. Throughout the year, the UV Index typically peaks during the spring and summer months, with the highest readings occurring in April (15) and March (14), while it begins to taper off by October. As the seasons change, those in Iztapalapa should remain vigilant about sun safety, especially as the UV levels stay elevated well into the fall. For more information on UV levels specific to the area, visit Iztapalapa UV Index.
UV Risk Categories
September in Iztapalapa, Mexico, welcomes a warm embrace of approximately 278 hours of sunshine, which reflects a gradual decline from the peak brightness of May when the sun shone for 333 hours. This month transitions seamlessly into the autumn season, characterized by shorter days and slightly cooler temperatures, but still retains a generous amount of sunlight that encourages outdoor activities. Interestingly, while September sees fewer sunlit hours than its summer predecessors, it remains sunnier than the cooler months ahead, setting a delightful backdrop for the vibrant culture and energy of Iztapalapa. The sunshine trend illustrates a rhythmic ebb and flow throughout the year, showcasing not only the lingering warmth of summer but also the inevitable approach of fall.
As September rolls in, the likelihood of basking in sunny weather in Iztapalapa, Mexico, is notably low, with only an 11% chance of sun. This decline follows a summer characterized by very limited sunshine, as seen in July and August, where the chances lingered around 13% and 16%, respectively. Contrasting sharply with the brightness of earlier months like February and March, which boast probabilities over 70%, September marks a significant shift towards cloudier days. As the city prepares for the transition into autumn, the sun's shy appearance makes it a month more suited for cozy indoor activities than for sun-soaked outings.
In September, Iztapalapa enjoys approximately 12 hours of daylight, maintaining the trend of diminishing light that begins in late summer. This month mirrors August's daylight duration, as the sun gradually shifts towards shorter days leading into the fall. From May to July, the region basks in its longest days, peaking at 13 hours, before transitioning back to 12 hours in both August and September. Following this period, October marks another reduction in daylight to 11 hours, indicating the onset of autumn and the rhythmic cycle of the seasons in Iztapalapa. This pattern highlights the region's consistent seasonal shifts and the natural ebb and flow of sunlight throughout the year.
As September rolls in to Iztapalapa, the wind whispers softly with an average speed of 1.4 m/s (3 mph), maintaining the gentle breezes characteristic of the late summer months. This slight uptick from the stillness of July and August suggests a subtle transition, as the days begin to cool and the vibrant energy of the region shifts. Throughout the year, Iztapalapa generally experiences calm winds, with the highest speeds peaking in the early months, yet September feels particularly serene, offering a refreshing pause before autumn fully embraces the city. The trend reflects a steady, soothing rhythm, inviting residents and visitors alike to enjoy the mild breezes that accompany the changing season.
The weather in Iztapalapa 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 Iztapalapa and find detailed weather information for every month.
September and January present strikingly different weather patterns. In September, temperatures range from a minimum of 6°C (42°F) to a maximum of 24°C (75°F), with an average of 15°C (59°F). This month also sees considerable precipitation, with around 321 mm (12.6 in) occurring over 25 days, contributing to a humidity level of 82%. In contrast, January experiences much colder conditions, with temperatures dropping to a minimum of -4°C (26°F) and an average of 12°C (53°F), peaking at 23°C (74°F). January is significantly drier, with only 18 mm (0.7 in) of precipitation spread over just 2 days, and a slightly higher humidity of 84%. For more detailed insights, you can check Iztapalapa weather in January.
When comparing the weather of September and February, notable differences emerge. September brings a wider temperature range, with minimums of 6°C (42°F), averaging 15°C (59°F), and maximums reaching 24°C (75°F). It is a notably wet month, experiencing high precipitation of 321 mm (12.6 in) spread over 25 days, resulting in a humidity level of 82%. In contrast, February showcases milder temperatures, with a minimum of 2°C (35°F), averaging 13°C (57°F), and maximums of 26°C (79°F). This month is much drier, receiving only 14 mm (0.5 in) of precipitation over just 3 days and slightly lower humidity at 78%. For more detailed insights, check out Iztapalapa weather in February.
When comparing the weather in September and March, several differences emerge. September tends to have cooler temperatures, with a minimum of 6°C (42°F) and a maximum of 24°C (75°F), while March experiences slightly warmer conditions, with a minimum of 3°C (37°F) and a maximum of 28°C (82°F). Additionally, September is characterized by significantly higher precipitation, receiving 321 mm (12.6 in) over approximately 25 days, compared to March's much drier weather, which only sees 24 mm (0.9 in) of rainfall over just 6 days. Humidity levels are also higher in September at 82%, while March enjoys a relatively lower humidity of 75%. For more detailed insights, you can visit Iztapalapa weather in March.
September and April exhibit notable differences in weather patterns. September features a cooler average temperature of 15°C (59°F) with highs reaching 24°C (75°F), while April generally enjoys warmer conditions, averaging 17°C (62°F) and peaking at 28°C (82°F). Precipitation levels drastically contrast as well, with September receiving a substantial 321 mm (12.6 in) over 25 days, compared to April’s mere 34 mm (1.3 in) over just 5 days. Additionally, September's humidity stands at 82%, which is higher than April's 70%. For a closer look at April weather, you can visit Iztapalapa weather in April.
September and May present distinct weather contrasts. In September, temperatures range from a cool 6°C (42°F) at night to a comfortable 24°C (75°F) during the day, but the month is marked by significant rainfall, with 321 mm (12.6 in) of precipitation over 25 days and high humidity levels at 82%. In contrast, May boasts milder temperatures, with a minimum of 7°C (45°F) and a maximum reaching up to 31°C (87°F). Precipitation during May is much lower, at only 53 mm (2.1 in) over 10 days, while humidity is slightly less at 77%. For a closer look at the weather specifics during this month, check out Iztapalapa weather in May.
September and June present distinct weather patterns, highlighting the transition between seasons. In September, temperatures range from a cooler minimum of 6°C (42°F) to a comfortable maximum of 24°C (75°F), with an average of 15°C (59°F). Additionally, September experiences higher precipitation at 321 mm (12.6 in) over 25 days, accompanied by a humidity level of 82%. In contrast, June boasts milder temperatures, with a minimum of 8°C (47°F) and maximum reaching 31°C (87°F), averaging around 17°C (62°F). Its precipitation is lower at 217 mm (8.5 in) over 20 days, and the humidity is slightly less at 76%. For a closer look at June's weather specifics, you can check Iztapalapa weather in June.
In comparing the weather of September and July, we observe slight variations in temperature and precipitation. September features a temperature range from a minimum of 6°C (42°F) to a maximum of 24°C (75°F), with an average temperature of 15°C (59°F). In contrast, July also has a minimum of 6°C (44°F) and a similar maximum of 23°C (75°F), with an average temperature slightly warmer at 15°C (60°F). Notably, September experiences heavier precipitation at 321 mm (12.6 in) over 25 days, while July records even more rain at 382 mm (15.0 in) over 28 days. The humidity is also higher in September at 82%, compared to July's 68%. For more detailed insights on July weather, check out Iztapalapa weather in July.
In comparing the weather of September and August, September tends to be slightly cooler with average temperatures ranging from a minimum of 6°C (42°F) to a maximum of 24°C (75°F), while August has a minimum of 7°C (44°F) and a maximum of 23°C (74°F). Both months experience significant rainfall, but September sees a drop in total precipitation to 321 mm (12.6 in) over 25 days, compared to August's higher total of 375 mm (14.7 in) across 28 days. Additionally, September has a higher humidity level at 82%, while August is characterized by a more moderate humidity of 70%. For a closer look at August's weather specifically, you can check out Iztapalapa weather in August.
In September, temperatures typically range from a minimum of 6°C (42°F) to a maximum of 24°C (75°F), with an average of 15°C (59°F). The month is quite wet, with a total precipitation of 321 mm (12.6 in) over 25 days, resulting in a humidity level of 82%. In contrast, October sees a slight drop in temperature, with minimums around 2°C (36°F) and an average of 14°C (58°F), while still reaching maximums of 24°C (75°F). Rainfall is significantly reduced to 134 mm (5.3 in) over 16 days, but humidity increases to 91%. For more specific information, you can check Iztapalapa weather in October.
September and November present contrasting weather patterns, characterized by differences in temperature, precipitation, and humidity. In September, temperatures range from a minimum of 6°C (42°F) to a maximum of 24°C (75°F), with an average of 15°C (59°F). This month is notably wetter, receiving 321 mm (12.6 in) of precipitation over 25 days, and maintaining a high humidity level of 82%.
In contrast, November sees cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 24°C (76°F), averaging around 13°C (56°F). Rainfall drops significantly to just 38 mm (1.5 in) over only 5 days, leading to a higher humidity of 89%. Despite similar maximum temperatures, November's cooler nights and reduced rainfall create a distinct transition into the winter months. For more details, check Iztapalapa weather in November.
In September, the weather is notably warmer, with average temperatures around 15°C (59°F) and highs reaching up to 24°C (75°F). However, it is marked by significant rainfall, with 321 mm (12.6 in) of precipitation spread across 25 days, contributing to a high humidity level of 82%. In contrast, December experiences much cooler temperatures, with an average of 12°C (54°F) and a minimum dipping to -2°C (29°F), while still allowing for maximum highs of 24°C (75°F). Precipitation is dramatically reduced to just 9 mm (0.4 in) over only one day, and humidity increases slightly to 88%. For a more detailed overview, you can check Iztapalapa weather in December.
September in Iztapalapa is a month of transition, marked by a notable increase in precipitation and humidity compared to the drier summer months. With an average temperature of 15°C (59°F), the air feels notably cooler, especially as nighttime temperatures can dip to around 6°C (42°F). This month stands out due to the frequent rainfall, leading to a muggy atmosphere that can feel quite different from the rest of the year. While maximum temperatures can still reach 24°C (75°F), the high humidity and nearly daily rain showers create a unique climate experience. For more details on what to expect in Iztapalapa’s climate, visit Iztapalapa Climate.