Last updated: April 22, 2025
September in Tlalnepantla, Mexico brings a mix of mild warmth and notable rainfall. With maximum temperatures reaching up to 27°C (80°F) and an average of 18°C (64°F), the weather provides a comfortable atmosphere, perfect for exploring the city’s vibrant culture. However, the month also experiences significant precipitation, totaling 574 mm (22.6 in) over 29 wet days, resulting in a humid environment with levels averaging around 82%. Whether you're enjoying the lush scenery or seeking refuge from the rain, September offers a unique blend of experiences in Tlalnepantla.
In September, Tlalnepantla experiences mild temperatures that seamlessly transition from the warmth of summer to the cooling hints of fall. With minimums around 10°C (51°F) and averages peaking at 18°C (64°F), this month offers a comfortable backdrop for outdoor activities. The maximum temperature can reach 27°C (80°F), making it a pleasant time to explore the city's vibrant culture. As the humidity begins to drop, September stands out as a favorable month, maintaining a gentle warmth while marking the onset of cooler evenings, setting the stage for the beautiful autumn that follows.
September marks a significant chapter in Tlalnepantla's climatic narrative, showcasing substantial rainfall with an impressive 574 mm (22.6 in) over 29 days. This volume reflects a slight decrease from August's peak, yet it embodies the tail end of the city’s rainy season, where heavy downpours are common. The consistency in precipitation throughout the month underscores a lingering moisture that has characterized the surrounding months, especially July and August, which recorded even higher totals. As the season transitions into October, Tlalnepantla can expect a gradual decline in both the amount of rain and the number of rainy days, signaling the shift towards a dryer climate as the year closes.
September in Tlalnepantla, Mexico, experiences a notable increase in humidity, rising to 82% as summer transitions to fall. This uptick comes after a dip in the preceding months, where humidity levels hovered around the comfortable 68% to 77% range. As the year progresses, September marks a shift towards the more humid conditions typical of late fall, foreshadowing the peak of moisture in the months that follow. This pattern highlights a seasonal trend where humidity tends to rise significantly as the year nears its end, paving the way for the wetter months of October and November, which see humidity levels soaring to 91% and 89% respectively.
September in Tlalnepantla, Mexico sees a consistently high UV Index of 14, categorizing it in the extreme exposure range, which means that sunburn can occur in just 10 minutes of unprotected skin exposure. This trend of elevated UV readings continues from the previous summer months, highlighting the need for proactive sun safety measures. Throughout the year, January and November are the only months that dip to a very high category with lower indices of 10, while February through October generally maintain extreme levels. As you plan your outdoor activities, remember to stay protected and keep an eye on the UV Index to ensure your safety. For detailed information, check out the Tlalnepantla UV Index.
UV Risk Categories
As September arrives in Tlalnepantla, Mexico, the city enjoys a warm embrace of 278 hours of sunshine, marking a gentle decline from the peak of 333 hours in May. This month transitions from the summer's brilliance, with sunlight gradually retreating as autumn approaches. Historically, September falls right after the sunniest months, showcasing a consistent trend where the days remain bright but start to hint at the changing season. Following the vibrant summer, the daylight hours maintain a generous warmth, creating the perfect backdrop for outdoor activities and gatherings before the sun dips further in the months ahead.
As September rolls in, residents of Tlalnepantla, Mexico, should be prepared for a significant dip in sunny days, with the likelihood plummeting to a mere 14%. This trend marks a stark contrast to the sunnier months earlier in the year; for instance, February boasts an impressive 90% chance of sun. While springtime in Tlalnepantla may offer a glorious 70% in April, the transition to the fall months brings increased cloud cover. In fact, September's 14% is one of the lowest points in the year, closely followed by the even gloomier summer months. As the year progresses, the chance of sunny weather gradually improves again in October, climbing back to 33%. Thus, residents should relish the remaining sunny days and brace themselves for a cloudier September ahead.
As September dawns in Tlalnepantla, Mexico, residents enjoy a balanced daylight duration of 12 hours, mirroring the longer days of April and August. This month effectively bridges the vibrant, sun-soaked months of summer—May, June, and July, each boasting 13 hours of daylight—before transitioning back to the shorter days of the fall. The gradual shortening of daylight since its peak in mid-summer reflects nature's rhythm, offering a time for both activity and reflection. As autumn begins to set in, September's gentle light serves as a reminder of the seasonal shifts that will soon bring the cozy embrace of shorter days.
As summer gracefully wanes into autumn, September in Tlalnepantla, Mexico, brings with it a gentle breeze, with average wind speeds dropping to 1.2 m/s (3 mph). This marks a continuation of a trend seen throughout the warmer months, where winds have remained unusually calm, particularly from July to September. Despite the slight cooling of the season, the wind patterns reflect a serene atmosphere, embodying the peaceful transition from the vibrant hues of summer days to the softer tones of fall. In the broader context of the year, these lower wind speeds may suggest a tranquil climax to the summer, setting the stage for October's gradual increase back to 1.4 m/s (3 mph), reminding us how nature ebbs and flows with the seasons.
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 display contrasting weather patterns. In September, temperatures range from a minimum of 10°C (51°F) to a maximum of 27°C (80°F), with an average of 18°C (64°F). This month is characterized by high humidity at 82% and significant rainfall, totaling 574 mm (22.6 in) over 29 rainy days. Conversely, January experiences cooler temperatures, with a minimum of 2°C (35°F) and an average of 14°C (58°F), while still reaching up to 27°C (80°F). However, January is much drier, with only 10 mm (0.4 in) of precipitation spread over just 2 days and slightly higher humidity at 84%. For more specific details about January's weather, you can visit Tlalnepantla weather in January.
September and February display distinct weather patterns. In September, temperatures range from a minimum of 10°C (51°F) to a maximum of 27°C (80°F), with an average of 18°C (64°F). This month is characterized by high humidity at 82% and significant rainfall, totaling 574 mm (22.6 in) over 29 days, creating a markedly wet atmosphere. In contrast, February features a milder climate with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 28°C (82°F), averaging 16°C (62°F). This month enjoys a much drier condition, with only 5 mm (0.2 in) of precipitation over just 1 day and a slightly lower humidity of 78%. For a closer look at February weather specifics, visit Tlalnepantla weather in February.
September and March offer contrasting weather experiences. In September, temperatures range from a cool 10°C (51°F) to a warm 27°C (80°F), with an average of 18°C (64°F). The month is characterized by high humidity at 82% and significant rainfall, totaling 574 mm (22.6 inches) over 29 days. In contrast, March presents milder conditions with a minimum temperature of 7°C (44°F) and a maximum of 30°C (87°F), averaging around 19°C (66°F). The humidity is slightly lower at 75%, and the month sees minimal precipitation of only 13 mm (0.5 inches) over just 3 days. For a closer look at March weather specifically, visit Tlalnepantla weather in March.
When comparing the weather in September and April, several notable differences emerge. September tends to be more humid with an average humidity of 82%, and experiences significantly higher precipitation at 574 mm over 29 days, making it one of the wetter months. In contrast, April is generally drier, with only 32 mm of rainfall over just 7 days and a lower humidity level of 70%. Temperature-wise, both months are mild, but April boasts slightly warmer average temperatures, with a minimum of 8°C (47°F) and a maximum of 30°C (87°F), compared to September's minimum of 10°C (51°F) and maximum of 27°C (80°F). For a closer look at the weather specifics in April, you can visit Tlalnepantla weather in April.
When comparing the weather in September and May, several notable differences emerge. September tends to be cooler, with average temperatures hovering around 18°C (64°F), while May enjoys slightly warmer conditions with an average of 20°C (68°F). Additionally, May boasts higher maximum temperatures, reaching up to 31°C (87°F), compared to September's peak of 27°C (80°F). Precipitation levels also vary significantly; September experiences much more rain, accumulating 574 mm (22.6 in) across 29 days, whereas May sees only 188 mm (7.4 in) over 19 days. Moreover, humidity levels are marginally higher in September at 82%, contrasted with May's 77%. For those interested in more details about weather in May, they can visit Tlalnepantla weather in May.
In comparing the weather between September and June, we see distinct variations. September typically experiences temperatures ranging from a minimum of 10°C (51°F) to a maximum of 27°C (80°F), maintaining an average of 18°C (64°F). This month is characterized by higher precipitation, totaling 574 mm (22.6 in) over 29 days, coupled with high humidity at 82%.
In contrast, June boasts slightly warmer temperatures, with a minimum of 11°C (51°F) and a maximum of 31°C (88°F), while the average remains similar at 18°C (65°F). The precipitation in June is lower at 482 mm (19.0 in), occurring over 28 days, and humidity is more moderate at 76%. For a more in-depth look at June's climate, you can visit Tlalnepantla weather in June.
When comparing the weather in September to that of July, we see some notable differences. In September, while the average temperature remains similar at 18°C (64°F), the weather is slightly warmer with maximum temperatures reaching up to 27°C (80°F), compared to July's maximum of 26°C (80°F). However, September experiences significantly higher rainfall, with a staggering 574 mm (22.6 in) of precipitation over 29 days, compared to July’s 490 mm (19.3 in) over 30 days. Additionally, September has a higher humidity level at 82%, while July's humidity is somewhat lower at 68%. For a closer look at July's specific weather conditions, check out Tlalnepantla weather in July.
In comparing the weather of September and August, we see that both months have similar temperature ranges, with September having an average temperature of 18°C (64°F), the same as August, but with a slightly higher maximum temperature of 27°C (80°F) compared to August's 26°C (79°F). However, September is notably wetter, experiencing a total precipitation of 574 mm (22.6 inches) over 29 days, which is a slight decrease from August's 581 mm (22.9 inches) over 30 days. Additionally, September has a higher humidity level at 82%, compared to August's 70%. For more detailed information, you can check out Tlalnepantla weather in August.
September weather is characterized by relatively warmer temperatures, with a minimum of 10°C (51°F) and an average of 18°C (64°F), while October sees a slight drop, starting from a minimum of 7°C (44°F) and maintaining an average of 17°C (63°F). Both months share the same maximum temperature of 27°C (80°F), indicating that daytime highs remain consistent. However, September experiences significantly higher rainfall with 574 mm (22.6 in) over 29 days, compared to October's 339 mm (13.3 in) across 22 days. Additionally, October's humidity rises to 91%, slightly higher than September's 82%, which contributes to a more damp feel as the month progresses. For more details, visit Tlalnepantla weather in October.
September boasts warmer temperatures, with averages around 18°C (64°F) and highs reaching up to 27°C (80°F). However, it is also a quite rainy month, experiencing a high precipitation of 574 mm (22.6 in) over 29 days, accompanied by a humidity level of 82%. In contrast, November sees cooler weather, with an average temperature of 15°C (60°F) and highs peaking at 26°C (78°F). This month is notably drier, with only 67 mm (2.6 in) of rainfall over just 9 days, although humidity increases slightly to 89%. For more details, check out Tlalnepantla weather in November.
September and December experience notable differences in weather patterns. September boasts warmer temperatures, with an average of 18°C (64°F) and highs reaching 27°C (80°F), while December sees a cooler average of 14°C (58°F), with maximums around 26°C (78°F). Additionally, September is characterized by high precipitation levels, with around 574 mm (22.6 in) spread over 29 days, whereas December remains quite dry, experiencing only 8 mm (0.3 in) of rain in just one day. Humidity levels are relatively close, at 82% in September and 88% in December, but the difference in rainfall and temperature creates a distinctly contrasting atmosphere between the two months. For more details, check out Tlalnepantla weather in December.
September in Tlalnepantla marks a significant transition, as the month is characterized by increased humidity and frequent rain, setting it apart from the drier months that precede it. With temperatures averaging a mild 18°C, the warmth is tempered by regular downpours, contributing to a lush landscape. Unlike the more stable weather experienced earlier in the year, September's nearly daily precipitation results in a vibrant, albeit wetter, environment. This month’s shifts invite both challenges and beauty, as the lush greenery comes alive. For more details on the climate specifics, visit Tlalnepantla Climate.