Last updated: April 22, 2025
In September, Manzanillo, Mexico, experiences warm and humid weather, with average temperatures hovering around 28°C (82°F). This month sees peak temperatures reaching a maximum of 30°C (87°F), while the night brings cooler relief at a minimum of 25°C (77°F). Rainfall is significant, with a staggering 260 mm (10.2 in) of precipitation spread over 24 days, contributing to a high humidity level of 83%. Visitors can expect a tropical atmosphere, perfect for those who revel in lush landscapes and are prepared for sporadic rain showers.
In September, Manzanillo experiences warm and inviting temperatures that embody the essence of tropical bliss. With minimums around 25°C (77°F) and maximums peaking at 30°C (87°F), the coastal city maintains a pleasant average of 28°C (82°F). This month marks a transition, as temperatures remain consistent with the summer heat while hinting at the cooler changes of autumn. As the humidity persists, beach-goers and sun-seekers can still revel in the sunshine, making September a delightful time to explore the sandy shores and vibrant local culture. The gradual dip in temperatures that follows this month suggests the alluring promise of a comfortable fall, yet for now, the warmth enchants and invites.
September in Manzanillo, Mexico, showcases a dramatic continuation of the rainy season, contributing to an impressive 260 mm (10.2 in) of precipitation across 24 wet days. This significant rainfall comes on the heels of August's peak with 307 mm (12.1 in), illustrating a trend of heightened precipitation during these late summer months. This pattern is consistent with the region’s tropical climate, where moisture-laden storms frequent the area, offering a refreshing respite from the preceding dry months. As September transitions into October, rainfall gradually decreases, yet the remnants of the rainy season continue to shape the lush surroundings of Manzanillo, making this coastal town a vibrant oasis even amidst the showers.
In September, Manzanillo, Mexico, experiences a notable peak in humidity, reaching 83%, which aligns with the city's trend of rising moisture levels from the early summer months. Following a gradual increase from 59% in March, humidity escalates significantly during the warmer months, with June, July, and August marking the highest averages. As the wet season peaks in September, residents and visitors alike feel the weight of humidity in the air, reminiscent of both the sweltering heat and the vibrant tropical atmosphere of this coastal paradise. After September, humidity begins to taper off slightly, but the effects of the lush summer linger well into the fall, maintaining a tropical feel that characterizes this stunning destination.
As September unfolds in Manzanillo, Mexico, sun-seekers should prepare for an extreme UV Index of 13, accompanied by a short burn time of just 10 minutes. This month mirrors the intense UV levels seen throughout the summer, particularly in June, which peaked at 14. Travelers can expect consistent, high exposure risks as UV readings maintain a stronghold above 12 throughout the late summer and fall. With this trend, it's essential to stay protected under the sun and seek shade when needed. For more detailed insights on the UV Index in this picturesque coastal town, check out Manzanillo UV Index.
UV Risk Categories
As summer transitions to fall, September in Manzanillo, Mexico, welcomes a delightful 252 hours of sunshine, making it slightly less bright than the peak summer months. While the sun begins to retreat compared to the sun-drenched days of May and June, September still holds its charm, offering a warm embrace for those seeking relaxation. This month marks a subtle shift from the intense summer rays, with sunlight hours tapering off, yet it gracefully maintains a vibrant atmosphere ahead of the cooler October days. The gradual decline from August's 266 hours signals the start of a nuanced seasonal change, where the balance of sun and sea creates an inviting setting for both adventure and tranquility.
As summer winds down, September in Manzanillo, Mexico, tends to be characterized by a notably low likelihood of sunny weather, with only a 19% chance of clear skies. This marks a significant dip from the sunnier months earlier in the year, where March shines brightest at 80% and even April holds a respectable 75%. In contrast, June, July, and August also struggle with sunshine, making September part of a persistently overcast season. However, the outlook does improve as the year progresses into October and November, when the chances of sun begin to rise again, hinting at the region's characteristic shift towards clearer days in the latter part of the year.
As September rolls in, Manzanillo, Mexico experiences a pleasant daylight duration of 12 hours, maintaining the abundant light enjoyed throughout the summer months. Following the peak of 13 hours in the late spring and summer, daylight begins to taper off slightly as the year progresses. This gradual shift reflects a subtle transition from the longer, sun-drenched days of summer into the softer lighting of autumn. With 12 hours of daylight, September strikes a perfect balance, offering plenty of sunshine for beachgoers and outdoor enthusiasts while hinting at the shorter days that will follow in October and November. The rhythm of daylight in Manzanillo underscores the beauty of seasonal change, making September a delightful time to bask in the sun before the cooler months set in.
In September, the coastal charm of Manzanillo, Mexico, is accompanied by a gentle sea breeze, with an average wind speed of 2.0 m/s (4 mph). This slight reduction in wind speed, compared to the lively gusts of earlier summer months, reflects a transition into the fall season. July saw its peak at 2.0 m/s, while the winds danced at a steady 2.6 m/s during the hot days of August. As the year progresses, a noticeable trend emerges: from the vibrant breezes of late spring and summer averaging around 2.6 m/s, the winds begin to calm, settling into a serene rhythm in the cooler months. With each gentle gust, September offers a tranquil escape, inviting visitors to relish in the warming hues of the sunset over the Pacific.
The weather in Manzanillo 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 Manzanillo and find detailed weather information for every month.
When comparing the weather in September and January, notable differences emerge in temperature, precipitation, and humidity. September is markedly warmer, with average temperatures reaching 28°C (82°F), a minimum of 25°C (77°F), and occasional peaks at 30°C (87°F). This month also experiences significant rainfall, accumulating about 260 mm (10.2 in) over 24 days, coupled with high humidity levels at 83%. In contrast, January features milder temperatures with an average of 25°C (77°F) and a minimum of 20°C (67°F). It boasts very little rain, accumulating only 9 mm (0.3 in) across no rainy days, and a drop in humidity to 70%. For detailed insights about January weather in this region, check out Manzanillo weather in January.
September presents a warm and humid climate, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (87°F) and an average of 28°C (82°F). This month also experiences significant rainfall, with approximately 260 mm (10.2 in) over 24 days and high humidity levels at 83%. In contrast, February offers a much more mild and dry atmosphere, featuring temperatures from 20°C (68°F) to 29°C (84°F), with an average of 25°C (76°F). Rainfall is minimal in February, with only 8 mm (0.3 in) recorded over just 1 day, and humidity levels drop to a comfortable 65%. For more details, check out Manzanillo weather in February.
September and March present contrasting weather patterns. September is notably warmer, with average temperatures reaching 28°C (82°F) and maximums hitting 30°C (87°F). The month is also characterized by high humidity at 83% and significant rainfall, totaling 260 mm (10.2 inches) over 24 days. In contrast, March offers a milder climate, with average temperatures around 24°C (76°F) and maximums of 28°C (83°F). This month enjoys much lower humidity at 59% and virtually no precipitation, recording only 1 mm (0.0 inches) across the month. For more detailed information, you can check out Manzanillo weather in March.
In September, the weather is notably warmer and more humid than in April, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (87°F). The month experiences significant rainfall, with a total precipitation of 260 mm (10.2 in) spread over 24 days, contributing to a high humidity level of 83%. In contrast, April boasts a milder climate, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 28°C (83°F) and absolutely no rainfall, resulting in a much lower humidity level of 60%. For more detailed information, check out Manzanillo weather in April.
September and May showcase distinct differences in weather patterns. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 30°C (87°F), with an average of 28°C (82°F). Contrastingly, May features slightly cooler temperatures, with a minimum of 21°C (70°F) and a maximum of 29°C (84°F), culminating in an average of 25°C (78°F).
One of the most notable disparities between the two months is precipitation; September experiences significant rainfall, accumulating 260 mm (10.2 in) over 24 days, while May has minimal precipitation, with just 4 mm (0.1 in) occurring on only 1 day. Additionally, September's humidity is markedly higher at 83%, compared to May's more comfortable level of 67%. For more detailed insights, check out Manzanillo weather in May.
In comparing the weather between September and June, September is generally warmer with average temperatures reaching 28°C (82°F), while June averages slightly lower at 27°C (81°F). The maximum temperatures in September are also higher, peaking at 30°C (87°F) compared to June's 31°C (88°F). However, September sees significantly more precipitation, with 260 mm (10.2 in) spread over 24 days, while June experiences only 166 mm (6.5 in) over 12 days. Humidity levels are comparable, with September at 83% and June at 80%. For more details about the weather in June, you can check this link: Manzanillo weather in June.
In comparing the weather between September and July, we see that both months experience warm temperatures, with September having a slightly more consistent temperature range; the average for September is 28°C (82°F), while July's peaks a bit higher at 31°C (88°F). However, September tends to be wetter, receiving 260 mm (10.2 in) of precipitation over 24 days, compared to July's 118 mm (4.7 in) over 21 days. Humidity levels are also slightly higher in September at 83%, compared to 81% in July. Overall, while July offers a bit more warmth, September brings increased rainfall and humidity. For more details on July weather in this region, you can check Manzanillo weather in July.
In comparing the weather of September and August, both months feature similar temperature ranges, with September experiencing minimum temperatures of 25°C (77°F), an average of 28°C (82°F), and a maximum of 30°C (87°F), while August sees a slightly higher maximum of 31°C (87°F). Precipitation levels, however, differ significantly, as September receives 260 mm (10.2 in) of rain over 24 days, compared to August's 307 mm (12.1 in) during the same number of days. Both months maintain a consistent humidity level of 83%, but August tends to be wetter, making September slightly drier in comparison. For more details, check Manzanillo weather in August.
In September, the weather tends to be quite warm, with average temperatures around 28°C (82°F) and maximum highs reaching 30°C (87°F). However, this month also sees considerable rainfall, with approximately 260 mm (10.2 in) spread over 24 days, contributing to a high humidity level of 83%. In contrast, October presents slightly cooler temperatures, maintaining an average of 28°C (82°F) but with max temperatures rising to 31°C (88°F). Rainfall decreases significantly to 188 mm (7.4 in) over just 18 days, resulting in a slightly lower humidity of 80%. For more details, you can check Manzanillo weather in October.
In comparing the weather between September and November, it's evident that September tends to be wetter and more humid. With average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (87°F), September experiences an average of 260 mm (10.2 in) of precipitation over 24 days, contributing to a humidity level of 83%. In contrast, November presents slightly cooler temperatures, with an average of 27°C (81°F)—ranging from a minimum of 23°C (73°F) to a maximum of 31°C (88°F). Rainfall drops significantly to just 32 mm (1.3 in) across 4 days, resulting in a lower humidity of 77%. For more details on what to expect, check out Manzanillo weather in November.
September weather in Manzanillo tends to be quite warm and humid, with average temperatures hovering around 28°C (82°F) and frequent rainfall, totaling about 260 mm across 24 days. In contrast, December offers a more moderate climate, with temperatures averaging 26°C (79°F) and significantly less precipitation, only about 6 mm over just one day. While September experiences humidity levels around 83%, December's humidity dips slightly to 76%, creating a more comfortable atmosphere for outdoor activities. For a detailed look at what to expect, you can check Manzanillo weather in December.
As September rolls in, Manzanillo experiences a distinct shift in weather, boasting warmer temperatures that average around 28°C (82°F) while humidity levels soar to 83%. This month is characterized by significant rainfall, with precipitation occurring on nearly 24 days, leading to a total of 260 mm (10.2 in) of rain. Unlike the drier summer months, September's moisture-laden air can often make the atmosphere feel heavier and more tropical, setting the stage for lush landscapes and vibrant scenery. For those planning a visit or wanting to know more about the intricate patterns of Manzanillo's climate, check out Manzanillo Climate for deeper insights.