Last updated: April 22, 2025
Experience the vibrant September weather in Mérida, Mexico, where the tropical climate offers a maximum temperature of 33°C (91°F) and a comfortable average of 24°C (76°F). While the minimum temperature dips to a pleasant 19°C (66°F), be prepared for ample rain, with 183 mm (7.2 inches) of precipitation spread over 25 days. The air is rich with humidity at 87%, contributing to the lush greenery that defines this enchanting city. Embrace the warm, tropical ambiance as you navigate through Mérida's vibrant streets and historical wonders.
In September, Merida, Mexico, enjoys a tropical climate that remains warm and inviting, with temperatures typically ranging from a minimum of 19°C (66°F) to a maximum of 33°C (91°F). This month maintains an average temperature of 24°C (76°F), consistent with the warm patterns established during the summer months. As we transition from the heat of summer into early autumn, the temperatures show little fluctuation from the previous months, indicating that visitors can expect a vibrant atmosphere filled with warmth. The continuing trend of mild evenings and warm days makes September a pleasant time to explore Merida's rich culture, whether it's indulging in local cuisine or enjoying the lush surroundings.
September marks a peak in precipitation for Merida, Mexico, with an average of 183 mm (7.2 in) of rainfall over 25 days, making it one of the wettest months of the year. This significant downpour follows a progressively wetter summer, as the city transitions from August's heavy 178 mm. The consistent rain throughout this month underscores the rainy season's hold before it begins to taper off into October. As the landscape becomes lush and vibrant, the vibrant atmosphere reflects the region's tropical climate, showcasing a striking contrast to the drier months at the start of the year. With September's rain, the rhythm of Merida's weather not only enriches the environment but also invites locals and visitors to experience the beauty of the region in its full bloom.
In September, Merida, Mexico experiences a peak in humidity, soaring to 87%, a level that mirrors the preceding month of August. This trend signifies a transition towards the end of the rainy season, where the air feels thick and heavy, often prompting an increase in afternoon showers. Following this peak, October and November maintain a similar humidity level of 88%, suggesting that the wet conditions continue to linger. However, the gradual drop in humidity from the mid-year peak of July at 82% heralds a cooling trend as the dry season approaches. Overall, September stands as a pivotal point in Merida’s climate, embodying the sultry essence of late summer while hinting at the shift towards the more refreshing months to come.
In September, Merida, Mexico, experiences an unwavering UV Index of 14, categorized as extreme, indicating that sun exposure can lead to burns in as little as 10 minutes. This level of intensity reflects a broader trend throughout the summer months, where the UV Index remains consistently high, peaking from March to September. As the year transitions into fall, a slight dip is noted in October but still remains in the extreme category. For those planning outdoor activities, it's crucial to stay vigilant against the sun's rays. Make sure to check the latest updates at Merida UV Index before heading out!
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In September, Merida, Mexico, basks in 275 hours of glorious sunshine, contributing to a warm and vibrant atmosphere that characterizes the month. As summer draws to a close, the hours of sunlight show a gradual decline from the peak of 315 hours in March, but the sunlight remains abundant compared to the earlier months of the year. This trend indicates a consistent pattern where the region enjoys ample daylight through late summer and into early autumn. While September's sunshine may be slightly less than August’s 289 hours, it still provides plenty of opportunities for outdoor adventures and cultural explorations, making Merida a picturesque destination for those seeking the sunny charm of Yucatán as the seasons shift.
In Merida, Mexico, the likelihood of sunny weather in September is quite low, with only a 12% chance of sunshine. This trend reflects a broader pattern throughout the summer months, where the chances of sun plummet, reaching their nadir in June and July. While January kicks off the year with a promising 34%, the chances fluctuate, peaking in February at 61%, before gradually declining as the year progresses. By the time September arrives, it sits at one of the lowest points, highlighting the region's shift toward wetter conditions as the rainy season peaks. However, as the year transitions into October, there's a slight recovery with chances improving to 29%, hinting at a return to more promising weather.
As September rolls into Merida, Mexico, the city enjoys a satisfying 12 hours of daylight, maintaining the same steady glow that characterized the previous months of June, July, August, and now September. This consistent length of daylight reflects a broader trend in Merida's annual cycle, where daylight durations peak during the summer months and gradually taper off as the year advances. Following the vibrant days of summer, the approach of October hints at a return to shorter days, with sunlight descending to 11 hours. Overall, September serves as a lovely bridge between the lingering warmth of summer and the impending transition into autumn, allowing residents and visitors alike to relish the tropical ambience beneath the sun.
As September graces Merida, Mexico, the winds begin to whisper a transition from the summer lull to the breezier months ahead. With an average wind speed of 1.9 m/s (4 mph), September's gentle breezes are notably calmer than the preceding months, reflecting a seasonal shift. This slight increase from the stillness of August's 1.7 m/s (4 mph) hints at the approach of the crisper autumn winds. In contrast, the earlier part of the year experienced more spirited gusts, peaking in November at 4.4 m/s (10 mph), suggesting that while September might offer a serene atmosphere, it's merely a prelude to a more invigorating climatic canvas that awaits in the coming months.
The weather in Merida 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 Merida and find detailed weather information for every month.
In September, the weather is characterized by a warm average temperature of 24°C (76°F), reaching highs of 33°C (91°F) and lows of 19°C (66°F). However, this month also experiences significant rainfall, with 183 mm (7.2 in) spread over 25 days, resulting in high humidity levels of 87%. In contrast, January offers a cooler climate, with average temperatures around 20°C (69°F), peaking at 32°C (91°F) and dropping to a low of 10°C (50°F). The amount of precipitation is markedly lower, with only 9 mm (0.3 in) recorded over just 2 days, along with slightly lower humidity at 83%. For a detailed look at weather specifics in January, you can visit Merida weather in January.
September and February exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 19°C (66°F) to a maximum of 33°C (91°F), with an average of 24°C (76°F). This month is characterized by high humidity at 87% and significant precipitation, with 183 mm (7.2 in) spread over 25 days. In contrast, February has a cooler minimum temperature of 10°C (51°F) and similar maximum temperatures up to 33°C (92°F), with an average of 22°C (72°F). February is much drier, receiving only 6 mm (0.2 in) of precipitation and boasting clear skies with no rainy days, combined with lower humidity at 76%. For a more detailed look at February weather, check out Merida weather in February.
September and March exhibit contrasting weather patterns. In September, the temperatures range from a minimum of 19°C (66°F) to a maximum of 33°C (91°F), with an average of 24°C (76°F). This month is characterized by high humidity at 87% and significant precipitation, totaling 183 mm (7.2 in) over 25 rainy days. In contrast, March offers a drier climate with little to no precipitation, recording just 8 mm (0.3 in) over the month, and no rainy days. Temperatures in March range from a minimum of 13°C (56°F) to a maximum of 34°C (93°F), with an average of 23°C (74°F) and a lower humidity level of 66%. For more specific details on weather conditions, you can check out Merida weather in March.
September and April display contrasting weather patterns. In September, temperatures range from a minimum of 19°C (66°F) to a maximum of 33°C (91°F), with an average of 24°C (76°F). This month is characterized by high humidity at 87% and substantial rainfall, receiving approximately 183 mm (7.2 in) over 25 days. In contrast, April boasts slightly lower minimum temperatures at 15°C (59°F) but can reach a maximum of 35°C (96°F) with an average of 25°C (76°F). April is much drier, recording only 21 mm (0.8 in) of precipitation over 6 days, along with lower humidity at 59%. For more details, you can check Merida weather in April.
When comparing the weather in September and May, notable differences emerge. September is characterized by higher humidity levels at 87%, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 33°C (91°F). It also experiences more rainfall, totaling 183 mm (7.2 in) over 25 days. In contrast, May offers slightly warmer average temperatures, with a minimum of 16°C (61°F) and a maximum of 34°C (94°F), but has a much lower precipitation level of 79 mm (3.1 in) spread over just 17 days. For more details on the weather in May, you can visit Merida weather in May.
When comparing the weather in September and June, both months exhibit similar temperature ranges, with minimums at 19°C (66°F), averages at 24°C (76°F), and maximums reaching 33°C (91°F). However, September experiences slightly higher precipitation at 183 mm (7.2 in) compared to June's 208 mm (8.2 in), despite both months having rain on 25 days. Additionally, September is characterized by a notably higher humidity level of 87%, while June's humidity remains more moderate at 69%. For more information on June's conditions, you can check Merida weather in June.
In comparing the weather between September and July, we see some notable differences. September generally experiences a slightly lower average temperature, with a minimum of 19°C (66°F) and a maximum of 33°C (91°F), while July has a higher average of 25°C (77°F) and peaks at 34°C (93°F). Additionally, September is significantly wetter, receiving 183 mm (7.2 in) of rainfall over 25 days, compared to July's 109 mm (4.3 in) spread over 21 days. Humidity is slightly higher in September at 87%, compared to July's 82%. For a deeper look at July's weather specifics, you can check Merida weather in July.
In comparing the weather of September and August, we see that both months share similar temperature ranges, with minimums at 19°C (66°F), averages of 24°C (76°F), and maximums reaching 33°C (91°F). However, September has slightly higher precipitation, totaling 183 mm (7.2 in) over 25 days, compared to August's 178 mm (7.0 in) over 22 days. Despite these differences in rainfall, humidity remains constant at a high 87% for both months. For more detailed information, you can check Merida weather in August.
In September, the weather is notably warmer with average temperatures reaching 24°C (76°F) and a maximum of 33°C (91°F). This month also experiences high humidity at 87% and significant rainfall of 183 mm (7.2 in) spread over 25 days. In contrast, October brings slightly cooler temperatures, with an average of 23°C (74°F) and a maximum of 32°C (89°F). The month sees a reduction in rainfall to 149 mm (5.9 in) over 20 days, while humidity remains relatively high at 88%. For more detailed information about the weather in October, you can visit this link: Merida weather in October.
In September, the weather is notably warmer, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 33°C (91°F) and an average of 24°C (76°F). This month is characterized by high humidity at 87% and considerable rainfall, totaling 183 mm (7.2 in) over 25 days. In contrast, November brings cooler temperatures, with a minimum of 12°C (55°F), an average of 22°C (72°F), and a maximum similar to September at 32°C (91°F). Rainfall in November is significantly lower at just 17 mm (0.7 in) spread over only 4 days, while humidity remains slightly higher at 88%. For more details, you can check Merida weather in November.
In September, temperatures can be quite warm, with minimums around 19°C (66°F) and averages reaching 24°C (76°F), peaking at a hot 33°C (91°F). The month is also characterized by significant rainfall, totaling 183 mm (7.2 in) over 25 days, contributing to the high humidity levels of 87%. In contrast, December brings cooler temperatures, with a minimum of 11°C (52°F) and an average of 21°C (70°F), while still allowing for warm days with a maximum of 31°C (89°F). December sees drastically reduced precipitation, with only 10 mm (0.4 in) recorded over just 1 day, resulting in slightly higher humidity at 88%. For more details on December weather, you can visit Merida weather in December.
September in Merida is a unique blend of warmth and moisture, characterized by higher humidity and frequent rain showers. As the rainy season peaks, visitors can expect lush greenery and revitalized landscapes, although preparation for wet days is key. With temperatures averaging a comfortable 24°C (76°F), the city maintains its tropical charm, offering a different ambiance compared to the drier months. For those planning a visit, understanding the weather dynamics is essential to fully enjoy the vibrant culture and stunning surroundings. For detailed insights, check out Merida Climate.