Last updated: April 22, 2025
In September, Tenochtitlan, Mexico experiences a warm and humid climate, with maximum temperatures soaring up to 32°C (90°F) and an average of 24°C (76°F). While the heat might be inviting, rainfall is significant, with a total of 224 mm (8.8 in) expected over the month across 26 days. This high humidity level at 87% adds a tropical feel to the atmosphere, making for a distinctive and vibrant experience amid one of the most historically rich locales in the world. Visitors should be prepared for the ever-present chance of rain, blending warmth with the lush beauty of the region.
In September, Tenochtitlan experiences a delightful transition, with temperatures reflecting the lingering warmth of summer while hinting at the approaching autumn. The minimum temperature settles at a comfortable 18°C (65°F), making it an inviting month for exploration. The average temperature hovers around 24°C (76°F), ideal for outdoor activities, while the maximum reaches a pleasant 32°C (90°F), allowing for those beautiful sunny days perfect for sightseeing. As the city bids farewell to the peak summer heat, September's mild and manageable climate encourages both locals and tourists to enjoy the vibrant culture and history this magnificent city has to offer.
In September, Tenochtitlan experiences a remarkable shift in precipitation, marking one of the wettest months of the year. With 224 mm (8.8 in) of rainfall, it stands out against an already substantial rainy season, intensified by the preceding months of June, July, and August, which also brought significant totals. Notably, September sees rain on 26 days, highlighting the persistent nature of the downpours, whereas earlier months typically offered fewer rainy days for the same high volume of precipitation. This trend suggests a seasonal peak, reinforcing Tenochtitlan's reputation for its vibrant and lush landscapes during this time of year, as the relentless rains contribute to the vitality of its flora and sustain the life that thrives in this historic city.
September in Tenochtitlan, Mexico, marks a significant transition in the city's annual humidity patterns, with levels soaring to 87%, mirroring the peak humidity experienced in August. This period reflects a broader trend of increasing moisture that begins in the warmer months; humidity starts to rise noticeably in July and remains high through October, reaching its zenith during the late summer and early fall. As the year progresses, Tenochtitlan experiences a remarkable shift from January's relatively dry 83% to the consistently elevated levels between 87% and 88% from September through December. This transition not only defines the climate but also enriches the vibrant culture and life in this historic city, where the interplay of heat and humidity creates a unique atmospheric charm.
In September, Tenochtitlan experiences a UV Index of 13, categorized as extreme, which means that sun exposure can lead to skin damage in just 10 minutes. This follows a summer of consistently high UV levels, where even July peaked at 15. While the index dips slightly compared to the prior month, September still maintains a strong intensity, keeping sun safety at the forefront of outdoor activities. This pattern reflects a trend in the region, where the UV Index remains elevated from late spring through early fall, underscoring the importance of protective measures against harmful sun rays throughout these months. For more details, check out the Tenochtitlan UV Index.
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In September, Tenochtitlan basks in the gentle warmth of 278 hours of sunshine, a delightful continuation of the city's vibrant summer. This month marks a subtle downturn in sunlight compared to the peak of March, which enjoys a robust 316 hours, but still outshines the often cloudier months at the beginning of the year. The sunshine begins to soften as autumn approaches, echoing the gradual decline seen from the summer highs of July and August. With September’s rays, locals and visitors alike can relish warm days that linger a bit longer, making it an ideal time to experience the city's rich culture and historic beauty under the sun. As the season transitions, anticipation builds for the crisp, clear days ahead, with sunshine hours stabilizing again in October.
As September rolls around in Tenochtitlan, the likelihood of sunny weather diminishes significantly, with only a 14% chance of sunshine. This decline follows a summer marked by bleak prospects, as June, July, and August see even lower probabilities of clear skies. The trend becomes evident when looking at the months leading up from February, which offers a promising 69% chance of sun, creating a stark contrast to the gray hues of late summer. As autumn approaches, October shows a slight recovery with a 31% chance, hinting that while September may not be the ideal time for sun-seekers, the skies could clear up as the seasons shift.
In September, Tenochtitlan enjoys a consistent 12 hours of daylight, marking a transition from the longer days of summer to the shorter days of autumn. As the year progresses, the daylight duration begins to stabilize, with March through August showcasing an increase in daylight that peaks in June at 13 hours. Following this peak, the daylight hours gradually recede, beginning with October, where they drop back to 11 hours. This rhythmic pattern of daylight not only influences the daily activities of Tenochtitlan's inhabitants but also reflects the changing seasons, highlighting the harmony between nature and life in this vibrant city.
As summer fades into fall in Tenochtitlan, the September winds carry a gentle hush, with an average speed of 1.5 m/s (3 mph). This calmness contrasts with the breezier months earlier in the year, where winds peaked at 2.8 m/s (6 mph) in both March and November. The declining trend from May through August, where the winds notably slowed, culminates in September’s soft whispers, hinting at the stillness before the seasonal shifts of October. Interestingly, as the year progresses, Tenochtitlan welcomes a resurgence of stronger winds, suggesting an invigorating transition as autumn approaches. This subtle rhythm of wind serves as a beautiful reminder of nature's cycle in this historic city.
The weather in Tenochtitlan 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 Tenochtitlan and find detailed weather information for every month.
In comparing the weather between September and January, September tends to be much warmer and wetter. With average temperatures peaking at 24°C (76°F) and high humidity levels of 87%, it experiences significant rainfall, accumulating 224 mm over 26 days. In contrast, January offers a milder climate, with average temperatures around 20°C (69°F), less humidity at 83%, and minimal precipitation of only 7 mm over just 2 days. This stark difference makes September feel humid and drenched, while January provides a more comfortable atmosphere. For more specific details on January weather, you can visit Tenochtitlan weather in January.
September and February exhibit distinct weather patterns. In September, temperatures range from a minimum of 18°C (65°F) to a maximum of 32°C (90°F), with an average of 24°C (76°F). This month also sees significant precipitation, totaling 224 mm (8.8 in) over 26 days, and a high humidity level of 87%. In contrast, February presents milder temperatures with a minimum of 11°C (52°F) and a maximum of 33°C (92°F), averaging 22°C (72°F). This month experiences minimal rainfall, accumulating just 5 mm (0.2 in) over a single day, and with a lower humidity of 76%. For a detailed overview of February's climate, you can visit Tenochtitlan weather in February.
When comparing the weather in September and March, notable differences emerge. September experiences a warmer climate with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 32°C (90°F), along with significant rainfall totaling 224 mm (8.8 in) over 26 days, and high humidity at 87%. In contrast, March tends to be milder, with temperatures varying from a minimum of 13°C (56°F) to a maximum of 34°C (94°F). This month is characterized by much drier conditions, receiving only 6 mm (0.2 in) of precipitation over just 1 day and lower humidity levels at 66%. For more detailed information, check out Tenochtitlan weather in March.
When comparing the weather in September to that of April, notable differences emerge. September experiences warmer overall temperatures, with averages around 24°C (76°F) and maximums reaching up to 32°C (90°F), but it also brings significant rainfall, averaging 224 mm (8.8 in) over 26 days and high humidity levels of 87%. In contrast, April is marked by slightly lower minimum temperatures of 14°C (57°F) but can peak at an impressive 36°C (97°F) with a more comfortable average of 25°C (77°F). Remarkably, April sees much less precipitation, with only 22 mm (0.9 in) over just 5 days and reduced humidity at 59%. For more details about Tenochtitlan's climate during this month, you can visit Tenochtitlan weather in April.
September and May present contrasting weather patterns. In September, the temperatures range from a minimum of 18°C (65°F) to a maximum of 32°C (90°F), with an average of 24°C (76°F). This month also experiences significant rainfall, totaling 224 mm (8.8 in) over 26 days and high humidity at 87%. In comparison, May tends to be warmer, with temperatures reaching a minimum of 16°C (61°F) and a maximum of 35°C (95°F), averaging 26°C (78°F). Precipitation is noticeably lower in May, with 109 mm (4.3 in) over 19 days, and the humidity is much more comfortable at 64%. For a deeper look at the weather conditions during this month, you can check Tenochtitlan weather in May.
When comparing the weather of September and June, we see several similarities and a few notable differences. Both months experience an average temperature of 24°C (76°F) and share the same minimum temperature of 18°C (65°F). However, June tends to be slightly warmer at a maximum of 33°C (92°F), compared to September's 32°C (90°F). Precipitation levels are quite close, with September having 224 mm (8.8 in) and June at 223 mm (8.8 in), both occurring over 26 days. One striking difference is the humidity; September is significantly more humid at 87%, while June has a more comfortable humidity level of 69%. For those interested in June weather specifics, you can refer to Tenochtitlan weather in June.
In comparing the weather of September and July, we see that both months are characterized by warm temperatures and high humidity. September averages a minimum temperature of 18°C (65°F) and a maximum of 32°C (90°F), with an average of 24°C (76°F). In contrast, July is slightly warmer, with a minimum of 19°C (66°F) and a maximum of 33°C (92°F), averaging 25°C (77°F). However, September experiences significantly more precipitation, totaling 224 mm (8.8 in) over 26 days, compared to July's 140 mm (5.5 in) over 23 days. The humidity levels are also higher in September at 87%, while July maintains a slightly lower humidity of 82%. For more details on July weather, you can visit Tenochtitlan weather in July.
September's weather is characterized by slightly cooler temperatures, with a minimum of 18°C (65°F) compared to August's 19°C (66°F). Both months share an average temperature of 24°C (76°F), but September sees a maximum of 32°C (90°F), which is just a degree less than August’s high of 33°C (91°F). Additionally, September experiences increased rainfall, totaling 224 mm (8.8 in) over 26 days, while August has less precipitation at 184 mm (7.2 in) over 24 days. Despite these differences, both months maintain a high humidity level of 87%. For more details on August's weather, you can visit Tenochtitlan weather in August.
September's weather features warmer temperatures with a minimum of 18°C (65°F) and an average high of 32°C (90°F), compared to October, which sees a slight dip with a minimum of 16°C (61°F) and a similar maximum of 32°C (89°F). While both months experience high humidity, September stands out with an average of 87%, slightly less than October’s 88%. Precipitation is notably higher in September at 224 mm (8.8 in) over 26 days, while October sees less rain, with 144 mm (5.7 in) across 22 days. For more detailed weather insights, you can check Tenochtitlan weather in October.
September and November exhibit notable differences in weather patterns. In September, the temperatures range from a minimum of 18°C (65°F) to a maximum of 32°C (90°F), with an average of 24°C (76°F). However, this month is characterized by high precipitation, totaling 224 mm (8.8 in) over 26 rainy days, coupled with high humidity at 87%. In contrast, November features slightly cooler temperatures, with a minimum of 12°C (54°F) and an average of 22°C (71°F), while still reaching a maximum of 32°C (89°F). Additionally, November experiences significantly less rainfall, with only 20 mm (0.8 in) across just 5 days, and humidity remains relatively high at 88%. For more detailed insights, check out Tenochtitlan weather in November.
In September, the weather tends to be quite warm, with average temperatures ranging from a low of 18°C (65°F) to a high of 32°C (90°F). This month sees significant rainfall, with 224 mm (8.8 in) of precipitation over 26 days, resulting in high humidity levels at 87%. In contrast, December offers a cooler climate, with temperatures fluctuating between a minimum of 9°C (49°F) and a maximum of 31°C (88°F), while maintaining an average of 21°C (70°F). Notably, December experiences minimal precipitation, recording just 12 mm (0.5 in) over a single day, and humidity slightly increases to 88%. For more details on December's weather specifics, check out Tenochtitlan weather in December.
As September rolls into Tenochtitlan, the weather takes on a distinct character with increased humidity and notable precipitation. Unlike the drier months of the year, September sees a significant number of rainy days, often transforming the vibrant city into a lush tapestry of colors. The temperatures remain comfortably warm, but the higher humidity level can make it feel quite different from the earlier months. With average temperatures settling at around 24°C, the atmosphere is both refreshing and vibrant as the rainy season approaches its peak. For a detailed look at Tenochtitlan's weather patterns throughout the year, visit Tenochtitlan Climate.