Last updated: April 22, 2025
Coyoacan, Mexico, experiences a mild and humid September, with temperatures ranging from a minimum of 5°C (41°F) to a comfortable maximum of 23°C (74°F). The average temperature settles around 14°C (58°F), making it a pleasant time for visitors and locals alike. However, the month is also characterized by significant rainfall, accumulating a noteworthy 236 mm (9.3 in) over approximately 25 rainy days. With humidity levels at an average of 82%, this period embraces a lush, vibrant atmosphere, ideal for enjoying the rich culture and scenic beauty of Coyoacan.
September in Coyoacan, Mexico, offers a pleasant transition as summer begins to wane. With temperatures ranging from a cool 5°C (41°F) at night to a comfortable 23°C (74°F) during the day, the month maintains an average of 14°C (58°F). This stability reflects a broader trend seen in the preceding months, where day temperatures consistently hover around the low to mid-20s. Nighttime lows remain relatively mild, suggesting enjoyable evenings for outdoor activities. As September unfolds, Coyoacan's climate invites visitors to bask in the warmth while enjoying the refreshing, cooler nights, making it an enticing time to explore this vibrant neighborhood.
In September, Coyoacan experiences a significant drop in precipitation compared to the preceding months of July and August, which are characterized by their intense rainfall. This month sees about 236 mm (9.3 in) of rain over 25 days, marking a continuation of the wet season but with a notable decline in both volume and frequency compared to previous months, where daily rainfall was more persistent. This trend suggests a gradual transition towards drier conditions as the wet season approaches its end. Overall, September's precipitation remains substantial, contributing to the lush greenery typical of this vibrant area, while hinting at the shift towards the less humid months ahead.
In Coyoacan, Mexico, September brings a noticeable rise in humidity, reaching 82% as summer transitions into the fall. This month stands out as a time of increased moisture compared to the drier midsummer months of July and August, which hover around 68% and 70%, respectively. Interestingly, humidity levels begin to creep up again as the year progresses. Following September, October takes a significant leap to 91%, hinting at a more humid season ahead. Overall, this pattern showcases a consistent tendency towards higher humidity from mid-summer onwards, culminating in the dampness of late autumn, creating an atmosphere that’s both vibrant and rich in the lush greenery typical of the region.
In September, Coyoacan, Mexico continues to bask under an extreme UV Index of 14, requiring just 10 minutes of exposure before the risk of sunburn escalates. This month maintains the trend set by August and the preceding summer months, where consistent UV levels have soared. The intensity remains robust, matching the figures seen since March, underscoring the importance of sun protection during this period. As temperatures begin to shift slightly with the approach of fall, vigilance against UV exposure is still paramount. For more detailed insights, visit Coyoacan UV Index.
UV Risk Categories
As September arrives in Coyoacán, the sun still generously graces the area with 278 hours of brilliant sunshine, although this marks a slight dip from the vibrant peak of 333 hours seen in May. The transition from summer to fall brings a gradual reduction in sunlight, yet the consistent presence of bright days carries the spirit of the warmer months. Following the sunny highs of the summer, September offers a pleasant balance before the days continue to shorten in October, which holds 289 hours of sun. This gentle decline in daylight hours is part of a larger trend, where the region enjoys its sunniest months in the spring and early summer, leading to a comfortable and inviting atmosphere that characterizes Coyoacán's charm throughout the year.
In Coyoacán, Mexico, the likelihood of sunny weather takes a noticeable plunge in September, with only an 11% chance of sunshine. This trend reflects a stark contrast to the earlier months of the year, particularly February, which boasts a robust 87% sunny probability. As we move from spring into the summer months, the chances dwindle significantly, reaching single-digit levels in June, July, and August. September marks the end of this pattern, with the sun peeking out less frequently and signaling the start of a more overcast season. This gradual decline into autumn highlights Coyoacán's dynamic weather, where the vibrant sun-drenched days of earlier months fade into a palette of cloudier skies.
As September arrives in Coyoacán, Mexico, daylight begins to wane, marking a shift from the lively, sun-drenched days of summer. With approximately 12 hours of daylight, the month reflects a transition towards shorter days, similar to August's duration. This trend sees daylight peak in May and June at 13 hours, creating a bright and vibrant atmosphere during the spring and summer months. As the year progresses, daylight gradually diminishes, dropping to 11 hours by October and further to 10 hours in December. This rhythm of changing daylight plays a vital role in shaping the local climate and lifestyle, offering a gentle reminder of the impending autumn.
As September arrives in Coyoacan, Mexico, the gentle warmth of summer begins to ease, accompanied by a soft breeze that averages around 1.5 m/s (3 mph). This month showcases a slight dip in wind speed compared to the previous summer months, reflecting nature's transition toward fall. Notably, throughout the year, wind speeds have fluctuated around a consistent range, hovering between 1.3 m/s and 2.1 m/s, with the spring months of February and April recording the highest gusts. The moderate winds of September invite both locals and visitors to savor the vibrant cultural atmosphere of the area, as the upcoming change of seasons whispers promises of cool evenings and colorful festivities.
The weather in Coyoacan 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 Coyoacan and find detailed weather information for every month.
September and January present contrasting weather conditions. In September, the temperatures range from a minimum of 5°C (41°F) to a maximum of 23°C (74°F), with an average temperature of 14°C (58°F). This month is characterized by high humidity at 82% and significant rainfall, receiving 236 mm (9.3 in) across approximately 25 days. In stark contrast, January experiences colder temperatures, with a minimum of -3°C (27°F) and an average of 10°C (50°F), while still reaching a high of 23°C (74°F). The month is notably dry, with only 22 mm (0.9 in) of precipitation over just 4 days, alongside a slightly higher humidity at 84%. For more detailed insights, check out Coyoacan weather in January.
In September, the weather is generally cooler, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 23°C (74°F) and an average of 14°C (58°F). This month is notably wet, receiving 236 mm (9.3 in) of precipitation over 25 days, resulting in high humidity levels around 82%. In contrast, February experiences slightly milder conditions, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 26°C (79°F) and an average temperature of 12°C (54°F). Notably, February is much drier, with only 27 mm (1.1 in) of precipitation falling over just 4 days, and humidity is a bit lower at 78%. For more detailed information about February weather, check out Coyoacan weather in February.
In September, the weather experiences milder temperatures ranging from a minimum of 5°C (41°F) to a maximum of 23°C (74°F), with an average of 14°C (58°F). However, it is characterized by significant rainfall, with 236 mm (9.3 in) of precipitation spread over 25 days, contributing to a high humidity level of 82%. In contrast, March presents a similar average temperature of 14°C (57°F), but with wider temperature fluctuations, peaking at 27°C (80°F). The month is much drier, with only 46 mm (1.8 in) of rain falling over 9 days and a lower humidity of 75%. For more detailed information, you can check the Coyoacan weather in March.
In comparing the weather of September and April, both months exhibit mild temperatures, but April generally feels warmer, with an average high of 27°C (82°F) compared to September's average high of 23°C (74°F). The minimum temperatures are also slightly warmer in April, with 3°C (38°F) versus September's 5°C (41°F). However, September is notably wetter, receiving 236 mm (9.3 in) of precipitation over 25 days, while April has much less rainfall at 68 mm (2.7 in) over just 11 days. Additionally, the humidity is higher in September at 82%, compared to April's 70%. For more detailed insights, you can check Coyoacan weather in April.
In comparing the weather between September and May, we can observe notable differences in both temperature and precipitation. September typically sees cooler average temperatures, ranging from a minimum of 5°C to a maximum of 23°C, with a significant average precipitation of 236 mm over 25 days, contributing to an overall humidity level of 82%. In contrast, May offers warmer conditions, featuring an average temperature of 16°C and daytime highs reaching up to 29°C, while experiencing much less rainfall at 90 mm over 16 days and slightly lower humidity at 77%. For more specifics on this month's climate, you can refer to Coyoacan weather in May.
In comparing the weather of September and June, we can see notable differences in temperature and precipitation patterns. September experiences a cooler temperature range, with minimums dropping to 5°C (41°F) and an average of 14°C (58°F), while June boasts slightly warmer temperatures, with its minimums at 6°C (43°F) and an average of 16°C (60°F). Additionally, June reaches maximum temperatures of 29°C (85°F), significantly higher than September’s 23°C (74°F). Precipitation is also more pronounced in September, totaling 236 mm (9.3 in) across 25 days, compared to June's 200 mm (7.9 in) over 19 days. Humidity levels are higher in September at 82%, while June maintains a relatively lower humidity of 76%. For a more detailed look at June weather specifics, visit Coyoacan weather in June.
In comparing the weather of September and July, both months feature identical temperature ranges with minimums of 5°C (41°F), averages of 14°C (58°F), and maximums of 23°C (74°F). However, September experiences higher precipitation at 236 mm (9.3 in) over 25 rainy days, contrasted with July's 267 mm (10.5 in) and 27 days of rainfall. Additionally, humidity levels are notably different, as July boasts a lower humidity of 68% compared to September's higher 82%. For a detailed look at July's weather patterns, you can check Coyoacan weather in July.
In comparing the weather of September and August, both months exhibit similar average temperatures, with September showing a minimum of 5°C (41°F) and a maximum of 23°C (74°F), while August has a slightly higher minimum of 6°C (43°F). Both months maintain an average temperature of 14°C (58°F).
However, September is characterized by slightly less overall rainfall, with 236 mm (9.3 in) compared to August's 265 mm (10.4 in), though September has a higher frequency of rainy days at 25 compared to 28 in August. Additionally, September experiences a higher humidity level of 82%, compared to August's more comfortable 70%. For more detailed insights about weather patterns, you can visit Coyoacan weather in August.
September and October exhibit notable differences in weather patterns, despite having similar average temperatures. In September, temperatures range from a minimum of 5°C (41°F) to a maximum of 23°C (74°F), with an average of 14°C (58°F). This month is characterized by high precipitation, totaling 236 mm (9.3 in) over 25 days, and a humidity level of 82%. In contrast, October sees a slight dip in minimum temperatures to 2°C (36°F), while maintaining the maximum at 23°C (74°F) and an unchanged average of 14°C (57°F). Precipitation decreases significantly to 100 mm (4.0 in) across 15 days, accompanied by a rise in humidity to 91%. For a closer look at October weather in Coyoacan, you can visit Coyoacan weather in October.
In September, the weather is characterized by mild temperatures, with daily averages around 14°C (58°F) and maximums reaching up to 23°C (74°F), but it also brings considerable rainfall, accumulating 236 mm (9.3 inches) over 25 days, resulting in an 82% humidity level. In contrast, November experiences cooler temperatures, with minimums dipping to -1°C (30°F) and a slightly lower average of 12°C (53°F). Notably, November sees significantly less precipitation, just 40 mm (1.6 inches) over only 6 days, while the humidity rises to 89%. This shift towards drier conditions makes November a more stable month weather-wise, despite the drop in temperatures. For a detailed look at conditions during November, you can refer to Coyoacan weather in November.
September weather is characterized by milder temperatures, with a minimum of 5°C (41°F), an average of 14°C (58°F), and a maximum of 23°C (74°F). It also experiences significant precipitation, with 236 mm (9.3 in) over 25 days, leading to a humidity level of 82%. In contrast, December sees a drop in nighttime temperatures, reaching a minimum of -3°C (27°F) and averaging 10°C (51°F) during the day, though it maintains a similar maximum temperature of 22°C (72°F). December is notably drier, with only 14 mm (0.6 in) of precipitation spread over just 3 days, resulting in higher humidity levels at 88%. For more insights into the December weather, visit Coyoacan weather in December.
As September rolls into Coyoacan, the weather presents a unique blend of warm afternoons and cool nights, making it distinct from other months. With an average temperature of 14°C (58°F), the days feel pleasantly mild, while the evenings can dip to a chilly 5°C (41°F). This transition into fall is marked by significant rainfall, as Coyoacan experiences one of its wettest months with 236 mm (9.3 in) of precipitation over 25 days, shrouding the colorful streets in a refreshing, humid atmosphere of 82%. While other months may boast higher temperatures, September's charm lies in its vibrant contrasts and lush greenery nurtured by the rain. For a deeper dive into the weather nuances, visit Coyoacan Climate.