Last updated: April 22, 2025
In September, Los Mochis, Mexico, experiences warm weather with maximum temperatures soaring to 39°C (103°F) and an average of 30°C (86°F), while minimum temperatures rest comfortably at 22°C (72°F). This month is characterized by a significant amount of precipitation, totaling 100 mm (3.9 in), occurring over 14 days. Humidity levels are notably high at 78%, creating a tropical feel that envelops the city. Visitors can expect a mix of sunny skies and occasional rain, making it an ideal time for those who enjoy a vibrant, lush landscape.
In September, Los Mochis experiences a warm transition towards the fall, with temperatures reflecting the lingering summer heat. The month sees a minimum of 22°C (72°F) and an average of 30°C (86°F), peaking at a notable 39°C (103°F). This pattern indicates a slight dip from the sweltering highs of August while still maintaining a tropical warmth that characterizes the region. As summer winds down, visitors can expect balmy evenings and sunny days, making September a vibrant month filled with the last touches of summer before cooler temperatures set in for the fall.
In September, Los Mochis experiences a notable peak in precipitation, receiving a robust 100 mm (3.9 in) over the course of 14 days. This substantial rainfall marks a significant increase from the preceding months, particularly following the heavy downpours of August. The wettest month of the year, August, lays the groundwork for September's continued rainy spell, bridging the dry spring and early summer months to the onset of the fall season. This pattern highlights a clear trend in Los Mochis, where September serves as a vital transition into the wetter months, with humidity rising and lush landscapes emerging, providing a refreshing contrast to the preceding dry spells.
In September, Los Mochis experiences a notably high humidity level of 78%, mirroring the sultry conditions of August. As the rainy season peaks, this elevated humidity contributes to the sweltering atmosphere, making the summer months feel even more intense. Prior to September, humidity gradually dipped from the brisk 70% in January, reaching its lowest at 58% in April. This trend suggests a gradual increase in moisture levels as summer approaches, culminating in the muggy highs of late summer and early fall. Despite a slight decrease to 75% in October, the persistent humidity underscores the tropical climate's character, where the seasonal shifts profoundly impact the overall weather experience.
In September, Los Mochis, Mexico, experiences an extreme UV Index of 12, which means sunburn can occur in just 10 minutes of unprotected exposure. Continuing the trend set from April to August, the city remains under a high level of sun intensity, reflecting a need for caution when enjoying outdoor activities. As the season changes in October, the UV Index decreases to 10, transitioning to a very high category, offering a bit of relief but still warranting protective measures. For more detailed insights on UV levels throughout the year, visit Los Mochis UV Index.
UV Risk Categories
As September unfolds in Los Mochis, Mexico, the sun still graces the region with 291 hours of bright, golden light, although it marks a notable decline from the summer's peak. Following a vibrant May of 361 hours, the sunshine begins to taper off, a trend that continues through August and into the early fall. The sun-drenched months of April and May bask in their glory, but by the time September arrives, the days grow shorter, hinting at the changing seasons. Despite this decrease, September remains a luminous backdrop for outdoor activities and exploration, ensuring that the warm glow of summer lingers just a little longer before giving way to the cooler months ahead.
In Los Mochis, Mexico, September brings a 54% chance of sunny weather, placing it in the middle of the spectrum for the year. As summer transitions into autumn, the likelihood of sunshine starts to decline from the vibrant peaks of late spring, where May boasts a 78% probability of clear skies. Following the hot months of July and August, which see a sharp drop in sunny days, September offers a welcomed reprieve, balancing warm temperatures with a moderate chance of sun. Overall, while August presents the least favorable conditions, the sun’s return in October at 79% highlights a promising outlook for the weeks ahead. So, while you might encounter a mix of weather in September, there's still plenty of opportunity to enjoy the sun!
As September rolls into Los Mochis, Mexico, daylight begins to gently wane, offering a pleasing balance of 12 hours of sunlight. This marks a continuation of the longer days experienced during the summer months, where daylight peaked at 13 hours from May to August. The gradual transition towards autumn mirrors the earlier months, starting from January’s modest 10 hours and steadily increasing until the summer solstice. Notably, the consistent daylight in September signals a stable climate, providing locals and visitors alike the perfect opportunity to enjoy outdoor activities before the days shorten further in October. With nature's bright canvas still vibrant, September is a delightful time in this picturesque locale.
As summer fades into early fall, the September wind in Los Mochis, Mexico, tells a gentle tale of transition. With an average speed of 2.1 m/s (5 mph), September experiences the lightest winds of the year, reflecting a gradual decline from the slightly breezier months of late spring and early summer. This subtle decrease in wind speed is part of a broader trend observed from August's 2.3 m/s dimension, indicating a calming of the atmosphere as the region begins to embrace the cooler autumn days ahead. Interestingly, even with these softer breezes, the rhythms of life continue unperturbed, as the warm, languid air creates a perfect backdrop for enjoying the vibrant scenery and culture that Los Mochis has to offer.
The weather in Los Mochis 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 Los Mochis and find detailed weather information for every month.
In comparing the weather in September and January, it becomes clear that these months present striking differences. September boasts higher temperatures, with a minimum of 22°C (72°F) and an average of 30°C (86°F), reaching a sweltering maximum of 39°C (103°F). This month also experiences significant rainfall, with about 100 mm (3.9 in) over 14 days and high humidity levels at 78%. In contrast, January offers a much cooler climate, with minimum temperatures dropping to 7°C (44°F) and an average of 18°C (65°F), maxing out at 32°C (90°F). Additionally, January sees minimal precipitation, totaling only 8 mm (0.3 in) across just one day and lower humidity at 70%. For more detailed insights, you can check Los Mochis weather in January.
September weather is characterized by high temperatures, with minimums around 22°C (72°F) and averages peaking at 30°C (86°F). The month experiences significant humidity at 78%, along with an average precipitation of 100 mm (3.9 in) over about 14 days, contributing to a sultry atmosphere. In contrast, February offers a much cooler climate with minimum temperatures dropping to 7°C (46°F) and an average of 19°C (66°F). This month sees significantly less precipitation, with only 14 mm (0.6 in) over just 1 day and a lower humidity level of 67%. For more information, you can check Los Mochis weather in February.
In September, the weather is characterized by high temperatures, with a minimum of 22°C (72°F) and an average of 30°C (86°F), peaking at a scorching 39°C (103°F). This month is also quite humid, with levels averaging around 78%, and it experiences significant rainfall of about 100 mm (3.9 inches) over 14 days. In contrast, March brings much cooler and drier conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 34°C (93°F), and an average of 20°C (69°F). Precipitation is minimal in March, totaling just 4 mm (0.2 inches) over a single day, and humidity levels are lower at 62%. For a more detailed look at March weather, you can check Los Mochis weather in March.
September and April present contrasting weather conditions. In September, temperatures are notably higher, ranging from a minimum of 22°C (72°F) to a scorching maximum of 39°C (103°F), accompanied by significant humidity at 78% and approximately 100 mm of precipitation spread over 14 days. In stark contrast, April enjoys milder temperatures, averaging 23°C (74°F), with a maximum of 36°C (96°F) and a refreshing minimum of 11°C (52°F). Notably, April boasts dry conditions with no recorded precipitation and lower humidity at 58%. For more specific details on weather patterns, you can check Los Mochis weather in April.
When comparing the weather in September and May, it’s clear that September is significantly warmer and more humid. September boasts an average temperature of 30°C (86°F) with highs reaching up to 39°C (103°F), along with considerable rainfall of 100 mm (3.9 in) over 14 days, resulting in a humidity level of 78%. In contrast, May offers milder temperatures with an average of 26°C (79°F), peaking at 38°C (101°F), but it features a completely dry atmosphere with no recorded precipitation and a lower humidity of 59%. These differences make May a drier and more comfortable time of year compared to the sweltering, rainy conditions of September. For more details, you can explore Los Mochis weather in May.
When comparing the weather in September and June, September tends to be warmer and more humid. September features a minimum temperature of 22°C (72°F) and an average of 30°C (86°F), with maximum temperatures reaching up to 39°C (103°F). It also experiences higher precipitation, with about 100 mm (3.9 in) over 14 days and an average humidity of 78%. In contrast, June has a slightly cooler minimum temperature of 19°C (66°F) and an average of 29°C (85°F), with max temperatures peaking at 40°C (104°F). Rainfall in June is minimal, only about 13 mm (0.5 in) over just one day, and humidity is lower at 64%. For more details, you can check Los Mochis weather in June.
In comparing the weather of September and July, both months experience similar maximum temperatures, peaking at 39°C (103°F). However, September tends to be slightly cooler on average, with temperatures ranging from a minimum of 22°C (72°F) to an average of 30°C (86°F) compared to July's minimum of 25°C (77°F) and average of 31°C (88°F). Precipitation is significantly higher in September, with 100 mm (3.9 in) falling over 14 days, while July sees much less rain at only 32 mm (1.3 in) over 5 days. The humidity remains relatively high in both months, with September at 78% and July at 74%. For more information, check out Los Mochis weather in July.
In comparing the weather between August and September, September tends to be slightly cooler, with minimum temperatures at 22°C (72°F) compared to August's 24°C (76°F). The average temperature in September is 30°C (86°F), while August is a bit warmer at 31°C (88°F). Notably, September sees a maximum temperature cap of 39°C (103°F), which is lower than August's peak of 42°C (107°F). Both months experience high humidity levels at 78%, but September has increased precipitation, averaging 100 mm (3.9 in) over 14 days, compared to August's 90 mm (3.6 in) over 12 days. For more detailed insights on August weather specifically, you can visit Los Mochis weather in August.
September and October exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 39°C (103°F), with an average of 30°C (86°F). This month also sees higher precipitation of 100 mm (3.9 in) over 14 days, contributing to a humidity level of 78%. In contrast, October experiences cooler temperatures, with a minimum of 14°C (58°F) and a maximum of 42°C (107°F), while the average temperature remains relatively consistent at 29°C (84°F). Furthermore, October is significantly drier, receiving only 17 mm (0.7 in) of rain over just 2 days and a slightly lower humidity of 75%. For more details on October's weather, check out Los Mochis weather in October.
September and November exhibit contrasting weather patterns, highlighting the transition from late summer to autumn. In September, temperatures average a steamy 30°C (86°F), with daytime highs reaching as high as 39°C (103°F), paired with significant humidity at 78%. The month also sees considerable rainfall, with around 100 mm (3.9 in) of precipitation spread across 14 days. In stark contrast, November brings cooler temperatures with an average of 24°C (76°F) and a minimum of 13°C (55°F). Precipitation drops significantly to just 25 mm (1.0 in) over only 2 days, and humidity slightly decreases to 74%. For more specific details, check out Los Mochis weather in November.
September and December showcase a stark contrast in weather conditions. In September, temperatures soar with a minimum of 22°C (72°F) and an average of 30°C (86°F), reaching a high of 39°C (103°F). The month is also marked by considerable rainfall, with 100 mm (3.9 in) of precipitation over 14 days and humidity at a high level of 78%. In contrast, December brings much cooler temperatures, with a minimum of 8°C (46°F) and an average of 20°C (68°F), peaking at 33°C (91°F). Precipitation drops significantly to just 9 mm (0.4 in) over only 1 day, and humidity decreases to 72%. For more detailed information, you can check Los Mochis weather in December.
September in Los Mochis ushers in a shift from the sweltering summer, bringing higher humidity levels and an increase in precipitation that distinguishes it from the drier months. While the maximum temperatures can still soar, the average often provides a welcome respite that reflects the transition towards fall. The 14 days of rain may dampen outdoor plans, but they are crucial for refreshing the landscape and contributing to local agriculture. For an in-depth look at how September fits into the broader climate picture, explore more at Los Mochis Climate.