Last updated: April 22, 2025
September in Mazatlán, Mexico, presents a vibrant blend of warm temperatures and ample rainfall. With a maximum temperature peaking at 29°C (84°F) and an average of 21°C (70°F), visitors can expect a comfortable yet humid climate, with humidity levels hovering around 84%. However, the month is marked by significant precipitation, totaling 269 mm (10.6 in) over 26 days, offering a lush backdrop to the stunning coastal scenery. Ideal for those who appreciate a tropical atmosphere, September embodies both the challenges and beauty of the rainy season in Mazatlán.
As September unfolds in Mazatlán, Mexico, the temperatures offer a delightful mix of warmth and pleasantness. With minimums averaging 12°C (53°F) and maximums reaching up to 29°C (84°F), the month strikes a comfortable balance that invites both sunbathing on the beach and exploring the vibrant local culture. The steady average of 21°C (70°F) showcases a slight rise from previous months, making it an ideal time for outdoor activities without the sweltering heat of summer. As the season transitions towards fall, September’s weather in Mazatlán not only reflects the lingering warmth of summer but also hints at the cooler days to come.
September marks a significant shift in Mazatlán’s precipitation pattern, with an average rainfall of 269 mm (10.6 in) over 26 days. This month typically sees one of the highest precipitation totals in the year, closely following August's impressive 249 mm (9.8 in). The trend indicates a peak in the rainy season, with downpours gradually intensifying from the drier months of early summer. As the rainy season progresses, September often brings thunderstorms, contributing to the lush tropical landscape while also serving as a reminder of the region's vibrant climate. The consistent rainfall paves the way for a rich and colorful autumn, making the tropical paradise of Mazatlán even more enchanting.
In Mazatlán, Mexico, September brings a noticeable shift in humidity levels, settling at a comfortable 84%. This marks a slight increase from the preceding months of July and August, which experience lower humidity at 72% and 74%, respectively. As the summer fades, September tends to transition towards the wet season, leading to a gradual rise that hints at the upcoming higher moisture levels of October and November, both sitting at a hefty 92% and 91%. Overall, the trend reflects a resilient coastal climate where humidity remains consistently high, particularly throughout the latter months, enhancing the tropical atmosphere that characterizes this beautiful destination.
As the summer season begins to wane, September in Mazacoatlan, Mexico continues to showcase an extreme UV Index of 13, requiring vigilant sun protection with a burn time of just 10 minutes. This consistent level of solar intensity, persisting since June, underscores a trend of heightened UV exposure during the late summer months. Travelers and locals alike should remain cautious, as the UV Index has been consistently high, peaking at 13 from April through September. With the sun’s rays stronger than ever, it's essential to take precautions and stay informed about UV levels to enjoy the beautiful beaches safely. For more detailed information, visit Mazacoatlan UV Index.
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September in Mazatlán, Mexico, offers a delightful transition as summer begins to wane. With 267 hours of glorious sunshine, this month maintains a vibrant luminosity that captures the essence of late summer. Following the sun-drenched high of 307 hours in both May and July, September still boasts a wealth of light, although it marks a drop as the sun starts to retreat toward autumn. This trend reflects a gradual decline from the peak summer months and elegantly leads into the softer, warmer sunlight of October, which brings 256 hours. For those seeking a blend of warmth and fewer crowds, the sun-dappled days of September make it an ideal option for soaking up the last rays of summer in this picturesque coastal paradise.
September in Mazatlán, Mexico, marks a shift towards less sunny weather, with the chance of sunshine dropping to 17%. This month follows the more promising summer months, where sun probabilities peak at 28% in August and 20% in July. The trend reveals that as the coastal warmth persists, the likelihood of clear skies declines sharply before gradually improving in October, which boasts a 30% chance of sunshine. While September might not be the sun-soaked paradise some might hope for, it's a transitional time that ushers in the cooler months, setting the stage for more pleasant weather ahead.
As summer gracefully transitions into fall, September in Mazatlán, Mexico, enjoys a delightful 12 hours of daylight. This month marks a gentle shift from the sun-soaked days of peak summer, reminiscent of June, July, and August, where daylight reached its zenith at 13 hours. Following this, daylight duration begins to recede, echoing the shorter, darker days that come with the approach of October and November. The gradual decrease in daylight hours, starting from March's 12 hours through to October's 11 hours, highlights the rhythmic dance of the seasons, making each day in September a perfect balance of sunshine and early twilight. Enjoying September’s abundant daylight is a splendid way to embrace the onset of autumn while still basking in the remnants of summer's warmth.
As summer transitions to fall in Mazatlán, Mexico, September greets visitors with a gentle breeze, characterized by an average wind speed of 1.3 m/s (3 mph). This slight decrease from the earlier months of the year marks the calm, reflective nature of the season. March and April showcase the highest wind speeds, reaching 1.6 m/s (4 mph), offering a more invigorating experience as spring approaches. Yet, as the heat of summer wanes, the wind settles into a serene rhythm, inviting locals and tourists alike to bask in the pleasant warmth of the Pacific coast. The subtle shifts in wind speed throughout the year illustrate not just seasonal changes, but also the tranquil allure that makes Mazatlán a cherished escape in September.
The weather in Mazacoatlan 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 Mazacoatlan and find detailed weather information for every month.
September and January present contrasting weather patterns. In September, temperatures range from a minimum of 12°C (53°F) to a maximum of 29°C (84°F), with an average of 21°C (70°F), making it generally warmer. However, this month also sees significant rainfall, receiving 269 mm (10.6 in) over 26 days, coupled with high humidity at 84%. In contrast, January offers cooler temperatures, with a minimum of 4°C (40°F) and an average of 14°C (58°F), while still reaching a maximum of 28°C (83°F). The precipitation is considerably lower in January, totaling 81 mm (3.2 in) across 15 days, and humidity remains slightly higher at 88%. For detailed insights into January weather in Mazacoatlan, you can visit Mazacoatlan weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of 12°C (53°F) to a maximum of 29°C (84°F), with an average of 21°C (70°F). This month is characterized by high precipitation, totaling 269 mm (10.6 in) over 26 days, coupled with a humidity level of 84%. In contrast, February sees cooler temperatures, with lows of 3°C (38°F) and highs reaching 31°C (88°F), averaging at 16°C (61°F). Precipitation decreases significantly to 70 mm (2.8 in) over 13 days, while humidity remains relatively high at 86%. For more details on February weather, visit Mazacoatlan weather in February.
In comparing the weather conditions of September and March, we see notable differences. September offers a broader temperature range with a minimum of 12°C (53°F) and a maximum of 29°C (84°F), resulting in an average temperature of 21°C (70°F). However, it also experiences significantly higher precipitation, totaling 269 mm (10.6 in) over 26 days, with humidity levels reaching 84%. In contrast, March has a milder minimum temperature of 6°C (43°F) and a higher maximum of 31°C (88°F), averaging 18°C (64°F). Rainfall is considerably less, with 103 mm (4.0 in) over 16 days, and the humidity remains slightly lower at 83%. For a detailed look at March weather, you can check Mazacoatlan weather in March.
In comparing the weather patterns of September and April, we find notable differences in temperature and precipitation. September boasts a higher average temperature of 21°C (70°F), with maximums reaching up to 29°C (84°F), while April has a slightly cooler average of 20°C (68°F) but can peak at a warmer 31°C (89°F). Precipitation also varies significantly, with September receiving 269 mm (10.6 in) across 26 days, making it a much wetter month compared to April's 111 mm (4.4 in) over 19 days. Additionally, September has a higher humidity level of 84%, compared to April's 80%. For those interested in specific details about April weather, you can check out Mazacoatlan weather in April.
In comparing the weather between September and May, both months exhibit similar minimum temperatures, averaging around 12°C (53°F), but May tends to be slightly warmer overall with a higher average temperature of 22°C (71°F) compared to September's 21°C (70°F). While September sees maximum temperatures reaching up to 29°C (84°F), May warms up further, peaking at 31°C (89°F). Precipitation levels are notably higher in September, with 269 mm (10.6 in) over 26 days, compared to May’s 169 mm (6.7 in) over just 23 days, making September the wetter month. Humidity remains relatively high in both months, with September at 84% and May at 82%. For more specific details about May weather, check out Mazacoatlan weather in May.
In comparing the weather of September and June, both months showcase relatively similar average temperatures, with September's average at 21°C (70°F) and June's at 21°C (71°F). However, June tends to be slightly warmer, reaching a maximum of 32°C (89°F) compared to September's maximum of 29°C (84°F). Precipitation levels are quite close as well, with September recording 269 mm (10.6 in) and June at 239 mm (9.4 in), both spread over 26 days. Interestingly, September has a higher humidity level at 84% compared to June's 79%, making September feel more moist overall. For more detailed information, check out Mazacoatlan weather in June.
In comparing the weather between September and July, we see notable differences. September experiences slightly cooler temperatures, with a minimum of 12°C (53°F) and a maximum of 29°C (84°F), while July tends to be warmer, with a minimum of 14°C (58°F) and a maximum of 28°C (83°F). Both months have similar average temperatures of around 21°C (70°F). However, September is significantly wetter, receiving 269 mm (10.6 in) of precipitation over 26 days compared to July's 174 mm (6.9 in) over 27 days. Additionally, September has higher humidity at 84%, while July's humidity averages around 72%. For a deeper look into July weather specifics, you can check Mazacoatlan weather in July.
Comparing the weather in September and August reveals some interesting trends. Both months exhibit similar average temperatures, with September showing a slight decrease in the minimum temperature at 12°C (53°F) compared to August's 13°C (56°F). However, they share the same maximum temperature of 29°C (84°F). September is notably wetter, receiving 269 mm (10.6 in) of precipitation over 26 days, in contrast to August's 249 mm (9.8 in) over 27 days. Additionally, September's humidity is higher at 84%, compared to August's 74%. For more detailed information, check out Mazacoatlan weather in August.
In September, temperatures in Mazacoatlan range from a minimum of 12°C (53°F) to a maximum of 29°C (84°F), with an average temperature of 21°C (70°F). The month sees significant precipitation, totaling 269 mm (10.6 in) over 26 days, and the humidity averages 84%. In contrast, October experiences slightly cooler temperatures with a minimum of 10°C (50°F) and an average of 19°C (67°F), while still peaking at 29°C (85°F). Precipitation remains similar at 270 mm (10.6 in) but occurs over fewer days, 20 in total, and humidity rises to an average of 92%. For more detailed insights, you can visit Mazacoatlan weather in October.
September and November present notable differences in weather patterns. In September, temperatures are warmer, with average highs around 29°C (84°F) and average lows of 12°C (53°F). However, this month also experiences significant rainfall, totaling 269 mm (10.6 in) over 26 rainy days, coupled with high humidity at 84%.
In contrast, November sees cooler temperatures, with average highs of 27°C (81°F) and lows dipping to 3°C (38°F). Precipitation decreases significantly to 117 mm (4.6 in) over just 16 days, but humidity slightly rises to 91%. For more detailed information on the climate during this month, check out Mazacoatlan weather in November.
September and December present contrasting weather patterns. In September, temperatures typically range from a minimum of 12°C (53°F) to a maximum of 29°C (84°F), with an average of 21°C (70°F). This month experiences significant rainfall, with 269 mm (10.6 in) spread over 26 days, contributing to a high humidity level of 84%. In contrast, December sees much cooler temperatures, with a minimum of 1°C (34°F), an average of 15°C (59°F), and a pleasant maximum of 27°C (81°F). Precipitation drops notably to just 50 mm (2.0 in) over 9 days, and humidity increases slightly to 91%. For more details on December weather, you can check Mazacoatlan weather in December.
September in Mazacoatlan is characterized by a unique blend of warmth and moisture that sets it apart from other months. With higher humidity levels and frequent rainfall, this time of year offers a tropical ambiance, perfect for those who appreciate the lush landscapes brought by the abundant precipitation. While temperatures remain pleasantly mild, the combination of wet days and warm evenings invites visitors to experience the vibrant coastal life in a different light. For a deeper understanding of what to expect throughout the year, be sure to check out Mazacoatlan Climate.