Last updated: April 22, 2025
Experience the dynamic September weather in Tlalnepantla, Mexico, where temperatures range significantly: reaching a maximum of 39°C (102°F), an average of 26°C (80°F), and cooling down to a minimum of 17°C (64°F). This month sees substantial rainfall, with a total of 222 mm (8.7 in) across 20 days, contributing to an atmospheric humidity level of 84%. As the rains nourish the landscape, be prepared for a mix of warmth and moisture, perfect for exploring the city’s vibrant culture and natural beauty.
In September, Tlalnepantla experiences a warm transition as temperatures begin to gently dip from the intense heat of summer. With a minimum of 17°C (64°F) and an average of 26°C (80°F), the month maintains a pleasant atmosphere, perfect for outdoor activities. The highs can still soar up to 39°C (102°F), reflecting the lingering warmth of the season. This month illustrates a shift from the peak summer heat, as both day and night become more comfortable, inviting locals and visitors alike to enjoy the vibrant culture amidst increasingly pleasant weather.
September brings a significant surge in precipitation in Tlalnepantla, Mexico, with an impressive 222 mm (8.7 in) of rain falling across 20 days. This marks a noticeable peak in the city's annual rainfall, outpacing previous months and setting the stage for the wetter October that follows. The transition from the dry summer months is marked by this deluge, as the region shifts from August's 142 mm (5.6 in) to September's robust total, emphasizing the importance of this month in replenishing local water supplies. The increase in rainy days during September signals the onset of the wet season, creating an environment ripe for lush vegetation and vibrant landscapes, further reflecting the dynamic climatic patterns characteristic of Tlalnepantla.
In September, Tlalnepantla experiences a noticeable rise in humidity, peaking at 84% after the summer months. This is a contrast to the drier conditions of July and August, which saw humidity levels drop to 72% and 74%, respectively. Following the warm summer, September’s humidity signals the onset of the transition towards the wetter months ahead, as October’s levels soar to 92%. Overall, the trend illustrates a gradual increase in humidity from the beginning of the year, starting from a high of 88% in January, dipping slightly through the warmer months, and then climbing again as the year approaches its conclusion.
In September, Tlalnepantla experiences a UV Index of 12, placing it in the extreme exposure category with a burn time of just 10 minutes. This marks a slight decline from the peak UV readings of 13 seen in the preceding months, but it's still a crucial reminder for residents and visitors alike to take sun safety seriously. The trend throughout the summer months demonstrates consistently high UV levels, highlighting the need for protective measures. As autumn approaches, while the index dips slightly, it remains vital to remain vigilant against potential sunburn in this sunny locale. For more detailed information, you can check the Tlalnepantla UV Index.
UV Risk Categories
As September arrives in Tlalnepantla, Mexico, the city basks in 276 hours of sunshine, which marks a gentle decline after the peak brightness of the summer months. Following July and August's impressive 315 and 313 hours, respectively, September signals a transition towards autumn, where daylight begins to wane. Despite this reduction, it still maintains a robust amount of sunshine, ensuring that residents can enjoy outdoor activities and pleasantly warm days. The trend clearly demonstrates a gradual buildup of sunlight from the year’s start, peaking mid-summer before naturally fading into the cooler months ahead. This seasonal dance of light sets the rhythm for life in Tlalnepantla, encapsulating the vibrant spirit of the region.
In Tlalnepantla, Mexico, the likelihood of sunny weather in September drops to a modest 21%, reflecting a notable trend as summer transitions into the milder autumn months. This percentage signifies one of the lowest chances for sunshine throughout the year, following the humid and rainy season of June and July, which together see only 17% and 30% sun. As the city moves past the warmer summer months, hope for clear skies increases in October, with a slightly improved chance of 39%. Overall, September serves as a reminder that while the summer heat lingers, the vibrant colors of autumn are just around the corner, often accompanied by a mix of sunlight and rain.
In Tlalnepantla, Mexico, the month of September enjoys a significant amount of sunlight, with daylight lasting approximately 12 hours each day. This duration reflects a transitional phase as the year shifts from the longer days of summer, which peak around 13 hours in May through August, to the shorter daylight hours that commence in October. The consistent 12 hours of daylight in September marks a pattern of stability as the region eases into the cooler months, creating a pleasant balance that showcases both the lingering warmth of summer and the gradual approach of autumn. As daylight hours begin to taper off, the vibrant hues of fall start to unfold, enhancing the beauty of the landscape in this bustling city.
As September ushers in the subtle breeze of early autumn, Tlalnepantla experiences a gentle average wind speed of 1.2 m/s (3 mph), marking one of the year's quieter months. This tranquil pace is consistent with the summer months, where winds linger around similar speeds, hinting at a gradual shift rather than an abrupt change. Notably, the winds have only slightly fluctuated from the spring months, peaking at 1.7 m/s (4 mph) in April before settling back into the calmness that defines this time of year. This consistency in mild winds during September creates a serene atmosphere, perfect for enjoying the vibrant colors of the changing season.
The weather in Tlalnepantla 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 Tlalnepantla and find detailed weather information for every month.
September and January present a stark contrast in weather patterns. In September, temperatures range from a minimum of 17°C (64°F) to a scorching maximum of 39°C (102°F), with an average of 26°C (80°F). This month also sees significant rainfall, totaling 222 mm (8.7 in) over approximately 20 days, contributing to a high humidity level of 84%. In contrast, January features milder temperatures, with a minimum of 5°C (42°F), an average of 18°C (64°F), and a maximum of 33°C (92°F). Precipitation in January is much lower at 75 mm (3.0 in) over just 10 days, and humidity remains relatively high at 88%. For a detailed look at the weather specifics in January, check out Tlalnepantla weather in January.
September and February present contrasting weather patterns. In September, temperatures range significantly from a minimum of 17°C (64°F) to a scorching maximum of 39°C (102°F), with an average temperature of 26°C (80°F). This month is characterized by high humidity at 84% and substantial rainfall, totaling 222 mm (8.7 in) over approximately 20 days. In contrast, February is much cooler, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 34°C (94°F), averaging 20°C (68°F). Precipitation is significantly lower, with only 60 mm (2.3 in) falling over about 9 days, and humidity slightly higher at 86%. For more details about February weather, you can visit Tlalnepantla weather in February.
September and March exhibit distinct weather characteristics. In September, temperatures range from a minimum of 17°C (64°F) to a maximum of 39°C (102°F), with an average of 26°C (80°F). This month is also marked by significant rainfall, with a total precipitation of 222 mm (8.7 in) spread over 20 days and a high humidity level of 84%. In contrast, March experiences milder conditions, featuring a minimum temperature of 9°C (48°F), an average of 22°C (72°F), and a maximum of 37°C (100°F). Precipitation in March is considerably lower at 82 mm (3.2 in) over 13 days, with humidity remaining similar at 83%. For more details on March weather, visit Tlalnepantla weather in March.
September and April present quite distinct weather patterns. In September, temperatures range from a minimum of 17°C (64°F) to a maximum of 39°C (102°F), with an average of 26°C (80°F). This month is characterized by high humidity at 84% and significant rainfall, totaling 222 mm (8.7 in) over about 20 days. In contrast, April offers slightly lower temperatures, with a minimum of 13°C (55°F) and a maximum of 40°C (103°F), while maintaining an average of 25°C (77°F). Precipitation in April is considerably less at 101 mm (4.0 in) over 11 days, and humidity levels are slightly lower at 80%. For more detailed weather information, you can check Tlalnepantla weather in April.
September and May present similar warm temperatures, with both months experiencing highs that can reach up to 39°C (102°F in September and 103°F in May). However, September tends to be wetter, with an average precipitation of 222 mm (8.7 in) over 20 days, compared to May's 128 mm (5.0 in) over 16 days. Humidity levels are also quite similar, with September at 84% and May slightly lower at 82%. For more insights into May's weather specifics, you can check Tlalnepantla weather in May.
In comparing the weather between September and June, both months exhibit warm temperatures with September averaging a pleasant 26°C (80°F) and June slightly warmer at 27°C (81°F). However, September tends to experience more extreme variation, with maximum temperatures reaching up to 39°C (102°F), while June peaks at a slightly lower maximum of 38°C (101°F). Additionally, September is characterized by higher precipitation, totaling 222 mm (8.7 in) over 20 days, compared to June's 182 mm (7.2 in) over 18 days, resulting in a more humid atmosphere in September at 84% versus June’s 79%. For a detailed view of June's climate, you can check Tlalnepantla weather in June.
When comparing the weather in September to that of July, September tends to be slightly warmer, with average temperatures reaching 26°C (80°F) and maximums climbing as high as 39°C (102°F). In contrast, July has a slightly lower average temperature of 27°C (81°F) and maximums peaking at 37°C (99°F). Additionally, September experiences significantly higher precipitation, totaling 222 mm (8.7 in) over 20 days, compared to July’s 128 mm (5.0 in) over 18 days. The humidity is also greater in September at 84%, whereas July maintains a lower humidity level of 72%. For more detailed insights, check out Tlalnepantla weather in July.
In September, the weather is characterized by slightly cooler minimal temperatures, averaging 17°C (64°F), compared to August's minimum of 19°C (66°F). The average temperature in September is 26°C (80°F), which is just a degree lower than August's average of 27°C (81°F). Both months see maximum temperatures reaching a peak of 39°C (102°F) in September and 39°C (103°F) in August. However, September experiences significantly higher precipitation, totaling 222 mm (8.7 in) over 20 days, compared to August's 142 mm (5.6 in) over 15 days. Additionally, September's humidity is higher at 84%, whereas August maintains a relative humidity of 74%. For a closer look at the weather specifics in August, you can visit Tlalnepantla weather in August.
September and October exhibit distinct weather patterns, with October generally being slightly cooler and wetter than September. In September, temperatures range from a minimum of 17°C (64°F) to a maximum of 39°C (102°F), featuring an average of 26°C (80°F), accompanied by a considerable amount of rainfall totaling 222 mm (8.7 in) over 20 days and a humidity level of 84%. Conversely, October sees a decrease in temperature, with minimums dropping to 13°C (56°F) and maximums reaching 36°C (97°F), resulting in an average of 24°C (76°F). Additionally, October experiences higher precipitation at 278 mm (10.9 in) over 16 days and an increase in humidity to 92%. For more detailed information, you can check Tlalnepantla weather in October.
September and November present contrasting weather patterns. In September, temperatures are significantly warmer, with a minimum of 17°C (64°F) and an average of 26°C (80°F), peaking at a scorching 39°C (102°F). This month is also characterized by high humidity at 84% and considerable precipitation, totaling 222 mm (8.7 in) over 20 days. In contrast, November brings cooler temperatures, with a minimum of 4°C (40°F), an average of 21°C (70°F), and a maximum of 31°C (88°F). The month sees much less rainfall, with only 82 mm (3.2 in) across 11 days and slightly increased humidity at 91%. For a more detailed look at the weather conditions in November, check out Tlalnepantla weather in November.
In September, the weather is markedly warmer, with average temperatures around 26°C (80°F) and maximums that can reach up to 39°C (102°F). The month is also characterized by high humidity at 84% and significant rainfall, averaging 222 mm over 20 days. In contrast, December brings cooler temperatures, with averages dropping to 19°C (66°F) and maximums peaking at 32°C (91°F). Rainfall is considerably less in December, totaling only 48 mm over 8 days, and humidity rises slightly to 91%. For more detailed information, you can check Tlalnepantla weather in December.
September weather in Tlalnepantla stands out as a month of contrasting extremes. With sweltering maximum temperatures reaching up to 39°C and an average more comfortable at 26°C, the heat can be intense, especially in comparison to the milder months. Additionally, September brings significant rainfall, with 222 mm over approximately 20 days, making it one of the wetter months of the year. Coupled with high humidity levels around 84%, the air can feel particularly heavy, creating a steamy atmosphere that differs markedly from the drier and cooler conditions of other months. For a deeper dive into Tlalnepantla's climate patterns, visit Tlalnepantla Climate.