Last updated: April 22, 2025
In September, Tlalpan, Mexico experiences a varied climate characterized by a maximum temperature reaching 25°C (77°F) and an average of 17°C (62°F). As the month progresses, temperatures can drop to a chilly 7°C (45°F), making warm clothing essential for cooler evenings. Precipitation is notable, with an impressive 251 mm (9.9 in) falling across approximately 24 days, contributing to the region's lush greenery. With humidity levels hovering around 86%, visitors can expect a refreshing, albeit moist atmosphere, perfectly encapsulating the essence of early autumn in Tlalpan.
In September, Tlalpan experiences a mild transition towards autumn, with temperatures ranging from a comfortable 7°C (45°F) at night to a pleasant 25°C (77°F) during the day. This month maintains an average temperature of 17°C (62°F), consistent with previous months but slightly cooler than the summer peaks. As days begin to shorten and the air turns crisp, this shift marks a subtle end to the warmer season, offering a refreshing reprieve from the heat of the earlier months. The stability of the maximum temperatures, hovering around 25°C, creates a balanced climate, perfect for outdoor activities and exploring the enchanting landscapes of this vibrant region.
September in Tlalpan, Mexico, marks a peak in precipitation, with 251 mm (9.9 in) of rain falling over 24 days. This significant rainfall highlights a transition into the heart of the rainy season, where the month stands out not only for its volume but also for its frequency of rainy days, second only to June's record. Following the drier months at the beginning of the year, September's abundant showers contribute to the lush, green landscape that characterizes the region as the season shifts. With a substantial increase in precipitation compared to previous months, September underscores the dynamic climate pattern of Tlalpan, showcasing a dramatic seasonal change that supports local biodiversity and agriculture.
In September, Tlalpan experiences a notable increase in humidity, rising to 86% as the transition to autumn begins. This marks a slight uptick from the preceding months of July and August, where humidity levels hovered around 81-82%. The trend reflects a gradual return to the higher humidity levels typical of the early months of the year, with October and November forecasted to reach 90% and 91%, respectively. This shift is indicative of the approaching rainy season, as the region prepares for the wetter months ahead, enveloping Tlalpan in a comforting, if sometimes heavy, embrace of moisture.
In September, Tlalpan, Mexico experiences a UV Index of 14, categorized as extreme, with a burn time of just 10 minutes under direct sunlight. This month follows the high intensities of summer, where UV levels peaked at 15 in June and July, maintaining an aggressive trend throughout the late summer months. As the year approaches its end, the UV Index begins to decline, yet September remains a month of caution for sun exposure. Whether you're outdoors for work or leisure, it’s essential to protect your skin during this time. For more information on UV levels throughout the year, visit Tlalpan UV Index.
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As September graces Tlalpan, Mexico, the city enjoys 291 hours of sunlight, reflecting a subtle dip from the brighter summer months yet remaining vibrant with warmth. The sunshine has consistently peaked in the spring and summer, with May and July basking in the most hours, tallying 325 and 330 hours respectively. The gradual descent from August's 320 hours to September's totals hints at the seasonal transition, as autumn begins to weave its cooler hues into the landscape. Notably, September still offers ample sunlight, ensuring that the days are filled with brightness, a gentle reminder of the summer's lingering embrace before the cooler months unfold.
In Tlalpan, Mexico, September marks a notable dip in the likelihood of sunny weather, with only a 15% chance of sun. This decline comes after the peak sunny months of February and March, which boast probabilities of 67% and 53%, respectively. Following the vibrant days of summer, where the sun shines a mere 9% of the time in June, weather patterns suggest a gradual yet reassuring return to clarity as the year progresses into October and beyond. Overall, September’s gloom hints at the transition toward the wetter season, making the fleeting sun even more valued during this period.
As September rolls in Tlalpan, Mexico, residents enjoy 12 hours of daylight, reflecting a gradual shift towards shorter days as the year progresses. This month stands as a balance between the vibrant peaks of summer, where daylight reaches 13 hours in May through July, and the retreating hours of autumn, culminating in the consistent 11 hours of light seen from October to December. The transition from summer's longer days to autumn's more modest light creates a beautiful rhythm, inviting both locals and visitors to savor the warm, sunlit afternoons before the shorter days of winter set in.
In September, Tlalpan experiences a gentle caress from the breeze, with an average wind speed of 1.7 m/s (4 mph), marking a slight decline from the summer months. After enjoying the invigorating gusts of July and August, which both averaged 2.2 m/s (5 mph), the transition into fall introduces a softer, more soothing atmosphere. This trend of fluctuating wind speeds is indicative of the region’s seasonal shifts, as the winds pick up to 2.1 m/s (5 mph) in November, suggesting a return to more brisk conditions as the year draws to a close. Overall, September serves as a serene interlude, enveloped by the whispers of changing seasons.
The weather in Tlalpan 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 Tlalpan and find detailed weather information for every month.
September and January present distinctly different weather patterns. In September, temperatures range from a cool 7°C (45°F) to a warm 25°C (77°F), with an average of 17°C (62°F). This month also experiences significant rainfall, totaling 251 mm (9.9 in) over 24 days, contributing to a high humidity level of 86%. In contrast, January features cooler conditions, with temperatures from 0°C (33°F) to a maximum of 25°C (78°F) and an average temperature of 12°C (54°F). This winter month is much drier, receiving only 36 mm (1.4 in) of precipitation over just 8 days, with humidity slightly higher at 88%. For a detailed look at January weather specifically in Tlalpan, you can check this link: Tlalpan weather in January.
In September, temperatures range from a cool 7°C (45°F) at night to a warm 25°C (77°F) during the day, with an average of 17°C (62°F). The month experiences significant rainfall, with 251 mm (9.9 in) of precipitation spread over 24 days, all while maintaining a high humidity level of 86%. In contrast, February offers milder temperatures, with a minimum of 1°C (35°F) and a maximum of 29°C (84°F), averaging 14°C (57°F). This month is much drier, with only 31 mm (1.2 in) of rain over just 8 days, yet it retains the same 86% humidity. For a closer look at weather specifics, you can visit Tlalpan weather in February.
September and March showcase distinct weather patterns, reflecting the transition between seasons. In September, temperatures range from a mild minimum of 7°C (45°F) to a warm maximum of 25°C (77°F), with an average temperature of 17°C (62°F). This month is characterized by significant rainfall, with 251 mm (9.9 in) of precipitation spread over 24 days, contributing to a high humidity level of 86%. In contrast, March experiences a slightly cooler minimum temperature of 3°C (38°F) and a higher maximum of 28°C (83°F), with an average of 15°C (59°F). The total precipitation is notably lower at 54 mm (2.1 in) over 11 days, resulting in only slightly less humidity at 84%. For a closer look at the specific conditions in March, you can visit Tlalpan weather in March.
When comparing the weather in September and April, both months showcase similar average temperatures of around 17°C (62°F). However, September tends to be slightly warmer overall, with a maximum temperature reaching 25°C (77°F), while April can peak at a higher 28°C (83°F). Rainfall is a significant factor, with September experiencing much more precipitation at 251 mm (9.9 in) over 24 days compared to April’s 91 mm (3.6 in) over 16 days. Additionally, September has a higher humidity level at 86%, while April's humidity is somewhat lower at 81%. For a detailed look at April's weather patterns, you can visit Tlalpan weather in April.
September and May present distinct weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 25°C (77°F), with an average of 17°C (62°F). The month is characterized by significant rainfall, totaling 251 mm (9.9 in) over 24 days, and high humidity at 86%. In contrast, May features slightly warmer temperatures, with a minimum of 6°C (44°F), an average of 17°C (64°F), and a maximum of 28°C (82°F). Rainfall in May is lighter, at 167 mm (6.6 in) over 22 days, and humidity is marginally lower at 82%. For more detailed weather information, you can visit Tlalpan weather in May.
When comparing the weather in September and June, we find some notable similarities and differences. Both months feature average temperatures around 17°C (62°F), but September tends to have slightly cooler minimum temperatures, dropping to 7°C (45°F) compared to June's 9°C (49°F). June has a marginally higher maximum temperature of 26°C (78°F) versus September's 25°C (77°F). Precipitation is abundant in both months, with September receiving 251 mm (9.9 in) of rain over 24 days, while June sees 259 mm (10.2 in) of rain across 25 days. The humidity is also relatively high in both months, but September is slightly more humid at 86% compared to June's 81%. For detailed insights into June weather, check out Tlalpan weather in June.
In comparing the weather between September and July, September tends to be wetter and more humid, with an average temperature of 17°C (62°F) compared to July's 16°C (61°F). While both months can reach a maximum of 25°C (77°F), September experiences significantly more precipitation at 251 mm (9.9 in) over 24 days, compared to July's 125 mm (4.9 in) over just 16 days. Additionally, the humidity in September averages at 86%, slightly higher than July's 81%. For more detailed information, you can check Tlalpan weather in July.
In comparing the weather of September and August, we observe that both months have similar average temperatures, hovering around 17°C (62°F), with maximum temperatures peaking at 25°C (77°F). However, September tends to be slightly cooler at its minimum temperature of 7°C (45°F), compared to August's 8°C (47°F). Precipitation levels are notably higher in September, reaching 251 mm (9.9 in) over 24 days, while August sees only 162 mm (6.4 in) spread over 20 days. Additionally, September has a higher humidity level at 86%, compared to August's 82%. For more details on August's weather, you can check Tlalpan weather in August.
September's weather features a notable range in temperatures, with a minimum of 7°C (45°F) and a maximum reaching 25°C (77°F), leading to an average of 17°C (62°F). This month is also characterized by high precipitation, totaling 251 mm (9.9 in) spread over 24 days, contributing to a humidity level of 86%. Conversely, October experiences slightly cooler temperatures with a minimum of 5°C (41°F) and an average of 16°C (61°F), while still peaking at 27°C (81°F). The rainfall decreases significantly to 138 mm (5.4 in) across 19 days, and humidity rises to 90%. For more detailed information, you can check out Tlalpan weather in October.
In September, the weather is typically warmer with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 25°C (77°F), averaging around 17°C (62°F). This month experiences significant rainfall, with 251 mm (9.9 in) of precipitation spread over 24 days and an average humidity of 86%. In contrast, November sees cooler temperatures, with a minimum of 3°C (39°F) and the same maximum of 25°C (78°F), but with an average of just 14°C (57°F). The precipitation drops dramatically to 56 mm (2.2 in) over 12 days, and humidity slightly increases to 91%. For a detailed look at November weather, you can check out Tlalpan weather in November.
September and December present quite distinct weather patterns. In September, temperatures typically range from a minimum of 7°C (45°F) to a maximum of 25°C (77°F), with an average of 17°C (62°F). This month is characterized by high humidity at 86% and significant precipitation of 251 mm (9.9 in) over 24 days. In contrast, December sees cooler temperatures, with lows dipping to -1°C (31°F) and a maximum of 24°C (75°F), averaging around 13°C (55°F). The precipitation significantly decreases to just 28 mm (1.1 in) across 7 days, and humidity rises slightly to 91%. For more details, check out Tlalpan weather in December.
As September unfolds in Tlalpan, it ushers in a notable shift in weather patterns, characterized by increased humidity and frequent precipitation. Unlike the drier and warmer months preceding it, September presents cooler temperatures, often averaging around 17°C. With rain gracing the region for nearly half the month, this time is marked by lush landscapes but also frequent overcast skies. As the city embraces the transition to autumn, the climate invites residents and visitors alike to enjoy the refreshing changes. For more details on the climate specifics, you can explore Tlalpan Climate.