Last updated: April 22, 2025
In September, Lomas de Chapultepec experiences a warm and humid climate, with maximum temperatures reaching 37°C (99°F) and an average of 27°C (81°F). The month is characterized by high humidity levels at 82%, creating a muggy atmosphere. Rainfall is significant, with total precipitation reaching 303 mm (11.9 in) spread over 24 days, making it one of the wettest months of the year. Visitors can expect a mix of sunny days and frequent showers, adding a touch of vibrancy to this lush neighborhood.
In Lomas de Chapultepec, September brings a mild yet comfortable climate, with temperatures ranging from a minimum of 22°C (73°F) to a pleasant average of 27°C (81°F). The month sees maximum highs reaching 37°C (99°F), similar to the preceding summer months. As the transition to fall begins, there's a slight dip in overall temperatures compared to the peak summer heat, marking a shift that promises those warm but manageable days. This trend of maintaining moderate averages while still flirting with high peaks makes September an inviting time for outdoor activities in this vibrant neighborhood of Mexico City.
In September, Lomas de Chapultepec experiences its peak precipitation, with an impressive 303 mm (11.9 in) of rain over 24 days. This marks the height of the rainy season, where the lush greenery thrives, offering a stark contrast to the dry months earlier in the year. Compared to August's considerable 262 mm (10.3 in), September ramps up the rainfall even further, showcasing a notable trend of increasing moisture as the summer ends. While May and June begin the season with sporadic showers, it's during these late summer months that the region is draped in rich, verdant landscapes, buoyed by the nearly daily rainfall that defines the season. Just as the autumn months approach, the rains dwell on the cusp of tapering, yet September firmly holds its title as the wettest month of the year.
September marks a pivotal moment in Lomas de Chapultepec's humidity patterns, as the levels peak at 82%, mirroring the trends established in the preceding months of July and August. This heightened moisture creates a palpable atmosphere, a continuation of the summer's oppressive humidity that typically begins its ascent from a lower 61% in February. Interestingly, as the year progresses, humidity generally rises during the warmer months, reaching its zenith in the late summer and early fall before gradually declining into the cooler months of October and November. The transition from September into autumn reveals a subtle but notable shift, with humidity levels expected to decrease, making way for the crispness of winter, which hovers around 70% in December.
September in Lomas de Chapultepec, Mexico, maintains a highly intense UV Index of 13, categorized as extreme, with a minimal burn time of just 10 minutes. This trend of consistently elevated UV levels is characteristic of the region, as seen from the previous months, with the UV Index peaking at 14 in June and remaining in the extreme range from February through October. It's important to be vigilant; even as summer transitions into fall, the sun’s rays can still cause significant skin damage in a matter of minutes. For more information on UV exposure and safety measures, check out Lomas de Chapultepec UV Index.
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September in Lomas de Chapultepec boasts 263 hours of sunshine, a drop from the vibrant summer months but still a significant amount for enjoying outdoor activities. Following a peak in May with 330 hours, the sun begins to set earlier as autumn approaches. Interestingly, the trend shows consistency, with September's sunshine aligning closely with the slightly overcast month of October, which sees 277 hours. This moderate decrease in sunlight is a gentle reminder of the changing seasons, offering a perfect backdrop for enjoying the enchanting hues of fall in one of Mexico City’s most picturesque neighborhoods. As the days become shorter, the warmth of the summer sun lingers, inviting residents and visitors alike to relish the mild weather and picturesque views before the chill of winter sets in.
In Lomas de Chapultepec, September marks a significant dip in the likelihood of sunny weather, with only a 10% chance of sunshine. This trend sharply contrasts with the vibrant 88% probability found in February and remains remarkably low through the summer months, where July and August see similar bleak forecasts of 24% and 14%, respectively. As the seasons transition into October, the chances of sun gradually improve to 33%, but September stands out as a particularly cloudy month. With these statistics in mind, visitors and locals alike should prepare for a rather overcast September in this charming neighborhood.
As September unfolds in Lomas de Chapultepec, Mexico, daylight lingers for an average of 12 hours, maintaining the same generous length seen in the preceding months from May through August. This consistent duration highlights a delightful balance of sunlit days as summer transitions into autumn. Following September, daylight gradually decreases, dropping to 11 hours in October and continuing this trend through winter. Overall, the month offers a perfect opportunity to enjoy outdoor activities, basking in the warmth of one of the year's sunniest stretches.
In Lomas de Chapultepec, September marks a shift in the seasonal winds, where the average wind speed dips to 1.5 m/s (3 mph). This gentle breeze, the lightest of the year, can be seen as a transition from the more robust winds of spring and summer, which range from 1.6 to 2.3 m/s (4 to 5 mph). As summer fades, July and August both experience lower speeds around 1.6 to 1.9 m/s (4 mph), hinting at a trend of diminishing wind power leading into fall. The mellow September air tends to create a tranquil atmosphere, inviting residents to enjoy the serene beauty of their surroundings amidst the gradual cooling of the season.
The weather in Lomas de Chapultepec 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 Lomas de Chapultepec and find detailed weather information for every month.
September experiences significantly warmer temperatures compared to January, with minimums averaging 22°C (73°F) and reaching highs of up to 37°C (99°F), contrasted with January's milder minimum of 19°C (66°F) and maximum of 36°C (97°F). September is also characterized by considerable rainfall, receiving 303 mm (11.9 in) across 24 days, while January is predominantly dry, with only 2 mm (0.1 in) of precipitation and no rainy days at all. Additionally, humidity levels are higher in September at 82%, making the air feel much more saturated compared to the more comfortable 65% in January. For a closer look at the weather in this winter month, check out Lomas de Chapultepec weather in January.
September and February present quite a contrast in weather conditions. September experiences a minimum temperature of 22°C (73°F) and can reach up to 37°C (99°F), with an average of 27°C (81°F). This month is characterized by significant rainfall, totaling 303 mm (11.9 in) over 24 days and high humidity at 82%. In contrast, February has a milder minimum temperature of 18°C (64°F) and similar averages, with a maximum of 36°C (98°F). Notably, February is remarkably dry, receiving only 1 mm (0.0 in) of precipitation over the month, with humidity levels dropping to 61%. For more details on February weather, you can visit Lomas de Chapultepec weather in February.
September and March offer contrasting weather conditions. In September, temperatures range from a minimum of 22°C (73°F) to a maximum of 37°C (99°F), with an average of 27°C (81°F). This month is characterized by high humidity at 82% and considerable rainfall, totaling 303 mm (11.9 in) over 24 days. In contrast, March experiences slightly milder temperatures, with a minimum of 20°C (68°F) and a maximum of 37°C (98°F), averaging 28°C (82°F). March stands out for its dry weather, receiving no precipitation, which results in a lower humidity level of 59%. For more detailed information, check Lomas de Chapultepec weather in March.
In comparing the weather of September and April, notable differences emerge. September generally experiences higher humidity levels at 82% and significantly more precipitation, averaging 303 mm over 24 days, which can result in a damp atmosphere. Conversely, April is drier, with only 1 mm of rainfall and zero rainy days, accompanied by lower humidity at 62%. Although both months have similar maximum temperatures peaking at 37°C (99°F), September offers a slightly warmer average temperature of 27°C (81°F) compared to April's 28°C (83°F). For a detailed look at the weather specifics, you can check Lomas de Chapultepec weather in April.
When comparing the weather in September and May, several notable differences emerge. September experiences slightly lower average temperatures, ranging from a minimum of 22°C (73°F) to a maximum of 37°C (99°F), while May enjoys warmer conditions with averages between 21°C (70°F) and 38°C (101°F). A significant contrast is evident in precipitation, as September sees a substantial 303 mm (11.9 in) over 24 days, making it a notably wet month. In contrast, May is much drier, with only 13 mm (0.5 in) of rain falling over just 4 days. Humidity levels also differ, with September averaging 82% compared to May’s lower 73%. For more detailed information on the weather specifics, you can check Lomas de Chapultepec weather in May.
When comparing the weather in September and June, one can see that both months experience warm temperatures, but September tends to be slightly more humid with an average humidity of 82%, compared to June's 78%. In June, temperatures range from a minimum of 23°C (73°F) to a maximum of 38°C (101°F), with an average of 28°C (82°F). In contrast, September has a slightly lower minimum of 22°C (73°F) and a maximum of 37°C (99°F), with an average temperature of 27°C (81°F). Additionally, September receives more rainfall, totaling 303 mm (11.9 in) over 24 days, while June has 237 mm (9.3 in) spread over 21 days. For a more detailed look at the weather patterns, you can refer to Lomas de Chapultepec weather in June.
When comparing the weather in September and July, we see some notable differences. September sees an average temperature of 27°C (81°F), slightly cooler than July's average of 29°C (84°F). However, September often experiences higher humidity at 82%, compared to July's 79%. Rainfall is significantly more prevalent in September, with 303 mm (11.9 in) falling over 24 days, whereas July has just 105 mm (4.1 in) over 15 days. This makes September a much wetter month, contrasting with the relatively dry conditions in July. For more detailed insights, check out this link: Lomas de Chapultepec weather in July.
In comparing the weather between August and September, we see a slight rise in average temperatures, with September averaging 27°C (81°F) compared to August's 28°C (83°F). Both months experience maximum temperatures reaching up to 37°C (99°F), but September tends to have more significant rainfall, totaling 303 mm (11.9 in) over 24 days, whereas August sees 262 mm (10.3 in) over 22 days. Humidity levels remain consistent at 82% for both months. For more detailed insights into August weather, you can explore Lomas de Chapultepec weather in August.
In September, temperatures typically range from a minimum of 22°C (73°F) to a maximum of 37°C (99°F), with an average of 27°C (81°F). This month also experiences significant rainfall, totaling 303 mm (11.9 in) over 24 days and a high humidity level of 82%. In contrast, October sees a slight decrease in maximum temperatures, reaching up to 34°C (94°F), while maintaining the same minimum and average temperatures. Precipitation in October is lower at 228 mm (9.0 in) across 22 days, and humidity drops slightly to 79%. For more detailed insights, you can check out Lomas de Chapultepec weather in October.
In comparing the weather of September and November, September tends to be hotter and more humid, with minimum temperatures of 22°C (73°F) and a maximum reaching up to 37°C (99°F). This month also experiences significant rainfall, totaling 303 mm (11.9 in) across 24 days, resulting in an average humidity of 82%. In contrast, November sees slightly cooler temperatures, with a minimum of 19°C (67°F) and an average that remains consistent at 27°C (81°F), but the maximum dips to 37°C (98°F). Additionally, rainfall is dramatically reduced to just 43 mm (1.7 in) over only 5 days, contributing to lower humidity levels of 72%. For a more detailed look at November weather, check out Lomas de Chapultepec weather in November.
In September, the weather is notably warmer and more humid, with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 37°C (99°F) and an average of 27°C (81°F). This month also sees significant rainfall, with about 303 mm (11.9 in) falling over 24 days, resulting in a humidity level of 82%. In contrast, December offers a milder climate, with temperatures dropping slightly to a minimum of 19°C (66°F) and a maximum of 35°C (95°F), while maintaining a similar average of 27°C (80°F). There is a sharp decline in precipitation during December, with only 19 mm (0.8 in) over just 1 day, and humidity decreases to 70%. For more specific details, you can check Lomas de Chapultepec weather in December.
As September rolls into Lomas de Chapultepec, the weather takes a notable turn, marked by a blend of warmth and humidity. The average temperature tends to hover pleasantly around 27°C (81°F), while daytime highs can soar to a sweltering 37°C (99°F), inviting a vibrant atmosphere. However, this month also ushers in considerable precipitation, with nearly a third of the month experiencing rain, leading to an 82% humidity level that adds to the lush greenery of the landscape. This unique combination of warmth and moisture makes September a distinct period, unlike the drier months that precede it. For a deeper exploration of the regional patterns, visit Lomas de Chapultepec Climate.