Last updated: April 22, 2025
Experience the enchanting September weather of Santa Maria Huatulco, Mexico, where the tropical atmosphere sets the stage for vibrant days. With maximum temperatures reaching a comfortable 30°C (87°F) and an average of 26°C (79°F), the warmth invites relaxation and exploration. However, be prepared for the frequent rains, as this month brings about 358 mm (14.1 in) of precipitation over 26 days, creating a lush and vibrant landscape. Humidity levels hover around 77%, enhancing the tropical ambiance. Whether you're lounging on the beach or exploring the charming town, September offers a unique blend of warmth and refreshing showers, perfect for an unforgettable getaway.
September in Santa Maria Huatulco, Mexico, ushers in a warm and inviting atmosphere, with temperatures ranging from a mild 23°C (74°F) at night to a comfortable 30°C (87°F) during the day. The average temperature settles at around 26°C (79°F), which beautifully reflects the tail end of summer, making it perfect for beachgoers and sun-seekers alike. As the month progresses, the warmth remains consistent with previous months, though slight dips occur in both night and daytime highs, hinting at the transition towards autumn. This smooth blend of heat and tranquility captures the essence of Huatulco, inviting visitors to bask in its tropical charm while enjoying a variety of outdoor activities.
In September, Santa Maria Huatulco experiences a significant increase in rainfall, accumulating 358 mm (14.1 in) over 26 days. This month marks a peak in the wet season, following the substantial downpours of August, which recorded 310 mm (12.2 in). The trend is unmistakable: as summer transitions into autumn, precipitation levels rise sharply, with September often proving to be among the wettest months of the year. This sustained rainfall not only nourishes the lush landscapes but also supports the vibrant ecosystems that thrive in this coastal paradise. With each rainy day, the region's natural beauty flourishes, setting the stage for a stunning display of flora and fauna.
September in Santa Maria Huatulco, Mexico, typically experiences a humidity level of 77%, marking a slight dip from the peak months of July and August, which both register at 78%. This trend indicates a gradual transition towards drier conditions as the region moves into autumn. Over the year, humidity levels reveal an intriguing pattern: they start off relatively comfortable in the beginning months, hovering around 63% to 67%, before rising steadily through late spring and summer. The annual high points in July and August see humidity at its most intense, contributing to the lush tropical atmosphere. However, as September unfolds, residents and visitors alike may begin to notice a subtle shift, hinting at the cooler, more refreshing months ahead.
In September, Santa Maria Huatulco experiences a UV Index of 13, falling within the extreme exposure category with a burn time of just 10 minutes. This trend of very high UV exposure continues from August, showcasing a consistent pattern from June through September, where the UV Index remains notably elevated, often reaching its peak of 14 earlier in the summer months. As the year transitions into October, the UV Index slightly decreases to 12, but still maintains an extreme classification. As you plan your outdoor activities, it's crucial to remain vigilant about sun protection during these months. For more detailed information, visit Santa Maria Huatulco UV Index.
UV Risk Categories
As summer transitions into fall, September in Santa Maria Huatulco, Mexico, enjoys a delightful blend of warmth and sunshine, boasting 281 hours of glorious sunlight. This marks a slight dip from the sun-soaked days of May and July, which recorded the highest sunshine hours at 326 and 325 hours, respectively. However, the month still shines bright compared to the cloudier June that dipped to 275 hours. With a consistent trend of abundant sunshine throughout the year, September seamlessly merges the tail end of the summer season with the promise of fall, making it an inviting time for visitors to embrace the coast's beauty and vibrant culture.
When considering the weather in Santa Maria Huatulco, Mexico, September stands out as a noteworthy transition from the sunniest months of the year. With a mere 12% chance of sunny weather, this month marks the peak of the rainy season, making it one of the least likely times for clear skies. The trend clearly shows that as summer progresses into early fall, the probability of sunshine diminishes, especially when compared to the vibrant months of January through April, which boast chances above 59%. As travelers plan their trips, understanding this shift is crucial; September is not the ideal time for sun-seekers, while those who embrace the lush greenery and quieter atmosphere may find charm in the soft rain that nourishes this tropical paradise.
As summer transitions to fall in Santa Maria Huatulco, September offers a delightful 12 hours of daylight, continuing the trend established over the preceding months. This consistent daylight duration reflects a shift from the longer days of mid-year, peaking at 13 hours in June, before gradually tapering off. Interestingly, the days from March through August maintain a generous 12 to 13 hours of light, providing ample time for exploration and relaxation. As October approaches, daylight dips back to 11 hours, marking a subtle shift towards shorter days, reminiscent of the calm and cozy atmosphere that autumn brings. The rhythm of daylight in Huatulco elegantly mirrors the changing seasons, inviting both locals and visitors to savor the sun-soaked beauty of this coastal paradise.
As September rolls into Santa Maria Huatulco, a gentle breeze graces the coastal landscape, with an average wind speed of 2.0 m/s (4 mph). This month reflects a slight dip from the previous summer months, highlighting a refreshing transition as the rainy season winds down. While the wind remains soft, it's enough to create a soothing ambiance, perfect for leisurely strolls along the beach or tranquil afternoons by the sea. Looking back over the year, springtime months generally feature slightly higher winds, with April peaking at 3.0 m/s (7 mph), while the more humid summer experiences a decreased airflow, evidenced by July's calm of 1.8 m/s. The trend of gentle winds in September signals the beginning of a serene shift towards more stable weather, making it an ideal time for visitors to enjoy the natural beauty of this exquisite destination.
The weather in Santa Maria Huatulco 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 Santa Maria Huatulco and find detailed weather information for every month.
In September, the weather is characterized by warmer temperatures, with minimums averaging 23°C (74°F) and maximums reaching up to 30°C (87°F). This month also experiences significant rainfall, totaling 358 mm (14.1 in) over 26 days, accompanied by higher humidity levels at 77%. In contrast, January brings slightly cooler temperatures, with minimums around 18°C (65°F) and an average of 25°C (77°F), while still reaching a maximum of 30°C (87°F). Notably, precipitation drops dramatically to just 21 mm (0.8 in) over 5 days, and humidity decreases to 67%. For more detailed information, you can check out Santa Maria Huatulco weather in January.
September and February present contrasting weather conditions in terms of temperature, precipitation, and humidity. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), with an average of 26°C (79°F). This month is characterized by high humidity at 77% and significant rainfall, totaling 358 mm (14.1 in) over 26 days. In contrast, February experiences milder conditions with temperatures ranging from 18°C (65°F) to 31°C (88°F) and an average of 25°C (77°F). This month sees remarkably less rainfall, with only 12 mm (0.5 in) across just 4 days, and lower humidity at 66%. For more details, you can visit Santa Maria Huatulco weather in February.
September and March present contrasting weather conditions. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), with an average temperature of 26°C (79°F). This month is characterized by high humidity at 77% and significant rainfall, totaling 358 mm (14.1 inches) over 26 days. In stark contrast, March features slightly cooler temperatures, with a minimum of 20°C (69°F) and a maximum reaching 31°C (89°F), while also averaging 26°C (79°F). Notably, March experiences minimal precipitation, only 16 mm (0.6 inches) across just 4 days, and lower humidity at 63%. For more detailed insights into March weather, you can check Santa Maria Huatulco weather in March.
When comparing the weather in September and April, notable differences emerge. September features a warmer average temperature of around 26°C (79°F) with maximums reaching 30°C (87°F), but it also brings significant rainfall, totaling 358 mm (14.1 in) over 26 days and high humidity at 77%. In contrast, April offers milder conditions with a similar average temperature of 26°C (80°F) but higher maximum temperatures of up to 32°C (90°F). Precipitation is scarce in April, with only 25 mm (1.0 in) occurring over just 5 days and lower humidity at 66%. For more detailed insights, check out Santa Maria Huatulco weather in April.
In comparing the weather of September and May, both months present warm temperatures, but September tends to be slightly wetter and more humid. September features minimum temperatures of 23°C (74°F) and an average of 26°C (79°F), with maximum highs reaching 30°C (87°F). However, it also experiences significant rainfall, with 358 mm (14.1 in) across 26 days and an average humidity of 77%. In contrast, May offers similar minimum temperatures at 22°C (73°F), an average of 27°C (80°F), and maximums slightly higher at 31°C (88°F). It is notably drier, with only 141 mm (5.5 in) of precipitation over 17 days and a lower humidity level of 71%. For a detailed look at May's climate, you can explore Santa Maria Huatulco weather in May.
In comparing the weather between September and June, both months experience similar temperature ranges, with minimums around 23°C (74°F) and average temperatures near 26°C (79°F for September and 80°F for June). However, June tends to be slightly warmer at its maximum, reaching up to 32°C (89°F), compared to September's maximum of 30°C (87°F). June also sees significantly higher precipitation, with 519 mm (20.4 in) falling over 24 days, while September has 358 mm (14.1 in) across 26 days. Additionally, the humidity is slightly lower in June at 73% compared to 77% in September. For more detailed information on the weather during June, visit Santa Maria Huatulco weather in June.
When comparing the weather in September and July, both months experience warm temperatures, with September showing a slightly lower average at 26°C (79°F) compared to July's 27°C (80°F). The maximum temperatures are similar, hovering around 30°C (87°F) in September and peaking at 31°C (87°F) in July. However, September is considerably wetter, receiving 358 mm (14.1 in) of precipitation over 26 days, while July sees much less rainfall at 170 mm (6.7 in) across 25 days. Humidity levels are quite comparable, with September at 77% and July at 78%. For a closer look at July's weather patterns, you can check Santa Maria Huatulco weather in July.
In comparing the weather between August and September, we see that both months have similar temperatures, with September registering a slightly lower average of 26°C (79°F) compared to August's 27°C (80°F). Both months have a minimum temperature of 23°C (74°F), while September's maximum reaches 30°C (87°F), just below August's peak of 31°C (88°F). However, September experiences significantly higher precipitation, with 358 mm (14.1 in) falling over 26 days, compared to 310 mm (12.2 in) over 25 days in August. Humidity levels remain comparable, with September at 77% and August at 78%. For more details on August weather, you can view Santa Maria Huatulco weather in August.
September and October exhibit similar temperature ranges, with minimums at 23°C (74°F), averages at 26°C (79°F), and maximums reaching 30°C (87°F) in both months. However, October experiences a notable increase in precipitation, rising to 440 mm (17.3 in) compared to September's 358 mm (14.1 in), while both months register rainfall on 26 days. Humidity remains constant at 77%, creating a humid atmosphere throughout. For a detailed look at the weather specifics, you can visit Santa Maria Huatulco weather in October.
When comparing the weather in September and November, notable differences emerge. September typically sees slightly warmer temperatures, with average highs around 30°C (87°F) and a higher humidity level of 77%. In contrast, November maintains similar maximum temperatures but showcases a decrease in humidity to 75%. Precipitation also varies significantly between the two months: September receives a substantial 358 mm (14.1 in) over 26 days, while November experiences a much drier climate, with only 75 mm (2.9 in) of rain across 15 days. For a detailed overview, you can check Santa Maria Huatulco weather in November.
In September, the weather tends to be hotter and more humid, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (87°F). The month is characterized by significant rainfall, receiving 358 mm (14.1 in) over 26 days, leading to a humidity level of 77%. In contrast, December offers a more moderate climate, with temperatures averaging between 19°C (67°F) and 29°C (85°F). The precipitation drops drastically to only 20 mm (0.8 in) over just 4 days, resulting in lower humidity at 72%. For a detailed look at the December weather, you can refer to Santa Maria Huatulco weather in December.
In September, Santa Maria Huatulco experiences a distinct shift in weather, characterized by its high humidity and frequent rainfall, setting it apart from the drier months of the year. With temperatures remaining warm yet comfortable, the region welcomes an average of 26°C (79°F), creating a lush, vibrant landscape. Although the frequent showers can create a moody atmosphere, they also enhance the natural beauty of the area, attracting those looking for a quieter experience. For more detailed insights on the weather patterns throughout the year, visit Santa Maria Huatulco Climate.