Last updated: April 22, 2025
September in Oaxaca, Mexico features a maximum temperature of 28°C (83°F) and an average temperature of 19°C (66°F), with lows dipping to 10°C (50°F). This month is characterized by significant precipitation, accumulating around 227 mm (8.9 in) over approximately 20 days, leading to a rather humid atmosphere with humidity levels around 84%. Visitors can expect a vibrant, lush landscape as the rains nourish the region, making it an enchanting time to experience Oaxaca's rich culture and scenic beauty.
In September, Oaxaca, Mexico, experiences a mild transition as the summer heat begins to wane. With temperatures ranging from a minimum of 10°C (50°F) to a comfortable maximum of 28°C (83°F), the month maintains an average of 19°C (66°F)—consistent with the preceding months of August and July. This gentle warmth, coupled with cooler evening temperatures, creates an inviting atmosphere perfect for exploring the city's vibrant culture and stunning landscapes. As the state gradually shifts toward fall, visitors can enjoy a refreshing climate that encourages both outdoor adventures and leisurely strolls through its colorful streets.
September in Oaxaca, Mexico, marks a significant peak in precipitation, with the month receiving 227 mm (8.9 in) of rain over 20 days. This deluge signals the height of the rainy season, following a gradual build-up from the drier months earlier in the year. After experiencing relatively light rainfall from January to April, where amounts barely exceed 29 mm (1.2 in), the region sees a stark increase starting in May. The figures escalate dramatically in June with 215 mm (8.5 in), setting the stage for an equally robust September. As the month progresses, this trend of abundant rain continues, providing relief to the parched landscape and nurturing the lush growth typical of Oaxaca’s tropical climate. The consistent precipitation not only highlights September as a month of change but also emphasizes Oaxaca's cyclical relationship with its environment, showcasing the vibrant shift from dryness to a lush, verdant splendor.
In September, the humidity in Oaxaca, Mexico, rises to 84%, aligning with the peak levels typically observed during the rainy season. This increase follows a gradual ascend from the drier months of April and May, where humidity dipped to around 67%. As summer progresses into autumn, humidity levels consistently hover on the higher end, reflecting the region's tropical climate. By the time October arrives, humidity surges even further to 89%, marking the transition into a more humid phase that continues through the winter months. Overall, September serves as a pivotal month, bridging the warm, humid summer and the even more intense moisture of autumn.
In September, Oaxaca, Mexico, continues to experience a significant UV Index of 14, categorizing it as extreme. This means that sun exposure can lead to burns in just 10 minutes, necessitating caution for outdoor activities. Notably, September maintains a high UV level similar to the preceding month of August, reflecting a consistent trend in the region's summer climate. Across the year, the UV Index peaks during the spring and summer months, with January offering the lowest UV Index of 10. As you plan your visit, be sure to stay informed about daily UV levels to protect your skin—check out the full details at Oaxaca UV Index.
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September in Oaxaca showcases a gentle transition from the vibrant summer months to the onset of autumn, with 256 hours of sunshine reflecting a slight dip compared to the preceding months. This pattern is characteristic of the region, as the summer’s peak brightness in July and August yields to more moderate sun exposure as the year progresses. Despite the reduced sunlight, September's warmth remains inviting, setting a perfect backdrop for the colorful cultural festivities that celebrate the onset of fall. As days grow shorter and temperatures cool, the sunshine still generously bathes the city, making it a delightful time for both visitors and locals to enjoy the rich landscapes and vibrant traditions of Oaxaca.
In September, the likelihood of sunny weather in Oaxaca, Mexico, takes a noticeable dip, with only a 12% chance of sunshine. This trend follows a season characterized by dwindling sun exposure, as the summer months of July and August also reflect low probabilities of clear skies at 24% and 20%, respectively. The decrease in sunny days peaks in June with an even slimmer 8% chance, marking the heart of the rainy season. Interestingly, as fall approaches, the prospects for sunshine show modest improvement in October at 30% and rise significantly by November to 60%, hinting at the return of clearer skies just after the rainy season wraps up. While September might not be the best time for sun-seekers, the transition into autumn brings renewed hope for sunny escapades in Oaxaca.
As September unfolds in Oaxaca, Mexico, the days continue to bask in 12 hours of sunlight, reflecting a transition from the longer summer days. This steady daylight duration mirrors the preceding months, where the region enjoys a peak of 13 hours during the summer months of June and July. Interestingly, following September, daylight begins to wane, gradually decreasing back to 11 hours by October and continuing at that length through the winter months. This rhythmic dance of daylight not only marks the changing seasons but also invites residents and visitors alike to savor the beautiful, sun-kissed landscapes of Oaxaca for just a bit longer before the shorter days set in.
As summer transitions to fall in Oaxaca, Mexico, the winds begin to mellow, with September experiencing an average wind speed of just 1.3 m/s (3 mph). This gentle breeze marks a notable decline from the slightly more spirited winds seen in the earlier months. Throughout the year, Oaxaca enjoys a relatively calm atmosphere, with wind speeds fluctuating between 1.3 m/s and 2.0 m/s. The gradual decrease in wind strength from July to September hints at the approaching dry season, inviting residents and visitors alike to bask in the warm, tranquil days that characterize this lush region. As the air settles, it becomes the perfect backdrop for Oaxaca's vibrant culture and stunning landscapes.
The weather in Oaxaca 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 Oaxaca and find detailed weather information for every month.
September and January showcase distinct weather patterns. In September, temperatures range from a cooler 10°C (50°F) to a warm 28°C (83°F), with an average of 19°C (66°F). This month is also characterized by significant rainfall, totaling 227 mm (8.9 in) over approximately 20 days, accompanied by high humidity at 84%. Conversely, January presents milder conditions with a temperature range of 1°C (35°F) to 30°C (86°F), averaging 16°C (61°F). January stands out for its minimal precipitation of just 3 mm (0.1 in) with no rainy days, maintaining the same humidity level of 84%. For more specifics on January weather, you can check Oaxaca weather in January.
September and February present strikingly different weather patterns. In September, temperatures range from a cool 10°C (50°F) at night to a warm 28°C (83°F) during the day, accompanied by substantial precipitation of 227 mm (8.9 in) over 20 days, leading to high humidity at 84%. In contrast, February boasts milder conditions with a minimum of 1°C (34°F) and a maximum of 31°C (88°F), but experiences minimal rainfall of just 3 mm (0.1 in) and typically has no rainy days. The humidity in February remains relatively lower at 80%. For a deeper look into February's climate specifics in Oaxaca, you can visit Oaxaca weather in February.
September and March present contrasting weather conditions, despite sharing the same average temperature of 19°C (66°F). In September, temperatures range from a chilly 10°C (50°F) at night to a warm 28°C (83°F) during the day, accompanied by significant rainfall of 227 mm (8.9 in) over approximately 20 days, resulting in high humidity levels at 84%. In contrast, March sees milder nights with a minimum of 6°C (43°F) and peaks reaching up to 32°C (90°F), while experiencing minimal precipitation of just 11 mm (0.4 in) spread over only one day, leading to a comfortable humidity of 73%. For more details, check out Oaxaca weather in March.
September and April offer quite distinct weather experiences. In September, temperatures range from a cooler minimum of 10°C (50°F) to a maximum of 28°C (83°F), with an average of 19°C (66°F). This month is characterized by significant rainfall, totaling 227 mm (8.9 in) over approximately 20 days and high humidity levels at 84%. In contrast, April boasts warmer conditions with a minimum temperature of 6°C (43°F) and an average of 20°C (68°F), peaking at a hot 33°C (92°F). Precipitation is notably low this month, at just 29 mm (1.2 in) over 4 days, and humidity hovers around 67%. For more details on April's weather, visit Oaxaca weather in April.
In comparing the weather of September and May, we observe a distinct contrast in temperature and precipitation patterns. September experiences a wider temperature range, with daily averages around 19°C (66°F) and highs reaching 28°C (83°F), while still accommodating cooler nights that dip to 10°C (50°F). However, it is marked by a significant amount of rainfall, totaling 227 mm (8.9 in) over 20 days, resulting in a humid atmosphere with an average humidity of 84%. In contrast, May showcases milder weather conditions with an average temperature of 20°C (69°F) and maximums soaring up to 34°C (94°F). This month sees considerably less rain, with only 60 mm (2.4 in) of precipitation over just 9 days and a lower humidity level of 72%. For more detailed information on May’s climate, you can check out Oaxaca weather in May.
When comparing the weather in September and June, both months exhibit a similar average temperature of 19°C (66°F), but with distinct variations in other aspects. September tends to be slightly cooler, with a minimum temperature of 10°C (50°F) compared to June's 11°C (51°F), while June reaches a higher maximum temperature of 30°C (86°F) against September's peak of 28°C (83°F). Rainfall is more prominent in September, with 227 mm (8.9 in) over 20 days, compared to June's 215 mm (8.5 in) over 19 days. Additionally, September has a higher humidity level of 84%, while June enjoys a drier atmosphere at 73%. For more details on the weather specifics, you can check Oaxaca weather in June.
In comparing the weather of July and September, we can see some notable differences. In July, temperatures range from a minimum of 11°C (51°F) to a maximum of 29°C (84°F), with an average of 19°C (66°F). The month experiences less precipitation, totaling 102 mm (4.0 in) over about 14 days, and the humidity level is relatively lower at 76%. In contrast, September presents slightly cooler conditions, with temperatures ranging between 10°C (50°F) and 28°C (83°F), maintaining the same average of 19°C (66°F). However, it is significantly wetter, receiving 227 mm (8.9 in) of rain over approximately 20 days, which leads to higher humidity at 84%. For more insights into the weather during this time, you can explore Oaxaca weather in July.
In comparing the weather of September and August, we see that both months have similar average maximum temperatures of 28°C (83°F), creating a consistent warm climate. However, September experiences slightly cooler minimum temperatures, averaging 10°C (50°F) compared to August’s 11°C (52°F). Additionally, September is notably wetter, with a significant increase in precipitation at 227 mm (8.9 in), while August has 174 mm (6.9 in), despite both months having the same number of rainy days at 20. Humidity also sees a rise in September at 84%, compared to 80% in August, contributing to a more humid atmosphere. For a detailed overview of August weather, you can check Oaxaca weather in August.
In September, the weather typically features a minimum temperature of 10°C (50°F) and an average of 19°C (66°F), with highs reaching up to 28°C (83°F). This month sees substantial precipitation, with about 227 mm (8.9 in) falling over 20 days, along with humidity levels around 84%.
In contrast, October experiences slightly cooler temperatures, with a minimum of 5°C (41°F) and an average of 18°C (65°F), peaking at 29°C (84°F). Precipitation is significantly reduced to 109 mm (4.3 in) over just 12 days, although humidity remains a bit higher at 89%. For a more detailed look at the weather in October, you can visit Oaxaca weather in October.
In September, the weather tends to be warmer, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 28°C (83°F). The month is also quite rainy, with 227 mm (8.9 in) of precipitation over approximately 20 days, contributing to a humid atmosphere with 84% humidity. In contrast, November experiences cooler temperatures, with a minimum of 6°C (43°F) and an average of 17°C (63°F), peaking at 29°C (84°F). Remarkably, November sees significantly less rainfall, with only 12 mm (0.5 in) over just 2 days, and the humidity rises slightly to 88%. For more detailed insights into the climate, you can visit Oaxaca weather in November.
In September, the weather is characterized by a wider temperature range, with minimums around 10°C (50°F) and maximums reaching 28°C (83°F), creating an average of about 19°C (66°F). This month also sees significant precipitation, with 227 mm (8.9 in) spread over 20 days, resulting in high humidity levels at 84%. In contrast, December experiences much cooler temperatures with minimums dropping to 2°C (36°F) but still averaging 16°C (61°F) and maintaining maximums at the same upper limit of 28°C (83°F). Rainfall is minimal in December, with only 6 mm (0.2 in) occurring over just 1 day, and humidity remains relatively high at 88%. For more detailed insights, check Oaxaca weather in December.
As September unfolds in Oaxaca, the weather showcases a unique blend of warmth and moisture, setting it apart from other months. With average temperatures hovering around a comfortable 19°C (66°F), it’s a time when the region feels lush and vibrant, thanks to significant precipitation that brings a refreshing contrast to the late summer heat. This month, the humidity rises, making the air feel notably thicker—ideal for embracing Oaxaca's rich landscapes and culture. However, the frequent rain can catch the unprepared off guard, as the skies open up on nearly 20 days, nourishing the surroundings but also inviting visitors to savor indoor activities. For a deeper dive into what to expect year-round, check out the comprehensive details at Oaxaca Climate.