September Weather in Soconusco, Mexico

Last updated: April 22, 2025

September in Soconusco, Mexico presents a warm and humid climate, with maximum temperatures reaching up to 33°C (92°F) and an average of 27°C (81°F). Despite the pleasant warmth, the region experiences significant rainfall, totaling 329 mm (12.9 in) over 24 days, contributing to a humidity level of approximately 80%. This time of year is characterized by a lush, vibrant landscape, making it a unique period for both locals and visitors to experience the rich tropical environment.

September Temperature in Soconusco

In Soconusco, Mexico, September marks the transition from the warmer summer months, with temperatures exhibiting a comfortable consistency. The minimum temperature hovers around 22°C (72°F), while the average remains stable at 27°C (81°F) and the maximum reaches a pleasant 33°C (92°F). This trend of warm days is complemented by cooler nights, reflecting a gentle shift from the peak summer heat seen in July and August. Overall, September in Soconusco offers a refined balance between warmth and mildness, inviting visitors to enjoy the region’s lush landscapes and vibrant culture in ideal conditions.

September Weather in Soconusco: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Soconusco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec798182848381828180808079
Data source: Temperature data for Soconusco generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Soconusco

In September, Soconusco, Mexico experiences a significant uptick in precipitation, marking it as one of the wettest months of the year with an impressive 329 mm (12.9 in) of rainfall over 24 days. This substantial increase continues the trend of rising rain levels since May, where precipitation begins to escalate sharply. By this month, the region's lush landscapes are nourished by consistent downpours, paving the way for vibrant flora. The trend reveals a gradual buildup of rain, with July and August also accounting for notable totals, yet it's September that truly showcases the peak intensity of the rainy season. As the month transitions into October, rainfall continues to rise, reaching a staggering 392 mm (15.4 in), further emphasizing the rainy season’s hold on this captivating region.

September Precipitation Trends in Soconusco

The chart displays monthly precipitation patterns in Soconusco, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec62820197295140215329392717
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Soconusco

In Soconusco, Mexico, the humidity experiences a noticeable ebb and flow throughout the year, peaking in the late summer months. By September, humidity sits at a robust 80%, demonstrating a slight dip from the peak of 82% in August, yet still maintaining a high, tropical feel that characterizes this season. This month is part of a trend where the humidity gradually rises from a low of 64% in March, highlighting the transition from the dry to the more humid months. Notably, October and November follow closely behind at 81% and 80% respectively, ensuring that the region remains enveloped in moisture as it moves into the fall. Overall, September encapsulates the lush, vibrant atmosphere synonymous with Soconusco’s climate, making it a uniquely humid interlude before the late-year transition.

September Average Humidity in Soconusco

This chart illustrates the average monthly humidity levels in Soconusco, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec70%68%64%67%74%78%82%82%80%81%80%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Soconusco

During September, Soconusco, Mexico, experiences a UV Index of 13, categorized as extreme. This level of UV radiation remains consistent with the previous months of July and August, indicating a trend of high sun intensity throughout the summer. With a burn time of just 10 minutes, it's crucial for residents and visitors to take proactive measures to protect their skin from potential harm. Following September, the UV Index slightly decreases in October but remains at a notable 12, reinforcing the need for vigilant sun protection as the year transitions. For detailed insights on the UV levels throughout the year, visit Soconusco UV Index.

Maximum UV Index Levels in Soconusco for September

The chart shows the monthly maximum UV Index (UVI) for Soconusco in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec10121314141313131312109
Data source: Soconusco September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Soconusco

September in Soconusco, Mexico, offers a delightful blend of sunny days, with 284 hours of glorious sunshine lighting up the month. While this figure is slightly lower than the vibrant 322 hours basked in during March, it still upholds a warm glow reminiscent of summer's tail end. As the region transitions from the peak sun of July’s 319 hours and August’s 297 hours, September's sunshine remains plentiful, bridging the gap to the cooler, more temperate months ahead. Consistently enjoying over 270 hours of sunshine from June through October, Soconusco stands out as a radiant destination, inviting sun-seekers to embrace its warmth just as the seasons begin to shift.

Monthly Sunshine Duration in Soconusco: September Highlighted

The September sunshine duration represents the total number of hours Soconusco experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec254h286h322h315h315h277h319h297h284h284h311h318h
Data source: Soconusco September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Soconusco During September

In Soconusco, Mexico, September marks the culmination of a notably cloudy season, with a modest chance of sunny weather at just 16%. This trend is a stark contrast to the sun-drenched earlier months, such as February, which boasts a remarkable 87% likelihood of sunshine. Following the peak sunny days of early spring, the chances decline steadily as summer approaches, hitting a low in June and remaining below 20% throughout the subsequent months of July and August. As September arrives, the gloomy weather persists, making it one of the least promising months for those hoping to bask in the sun. However, this may be a perfect time for travelers seeking to avoid the typical beach crowds, offering a unique opportunity to experience the lush landscapes and vibrant culture of Soconusco in a different light.

Percentage of Sunny Days in September in Soconusco

The chart illustrates the percentage of sunny days in Soconusco throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Soconusco experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec69%87%77%56%34%12%21%15%16%37%66%84%
Data source: Soconusco September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Soconusco in September

In Soconusco, Mexico, September marks the continuation of a consistent trend in daylight duration, where residents enjoy 12 hours of sunlight each day. This stable daylight extends from March through September, creating a harmonious balance that enhances outdoor activities and agricultural productivity. As the year progresses, daylight begins to taper off in October, transitioning to 11 hours in the cooler months of November and December. This rhythmic cycle of light not only shapes daily life but also highlights the region's tropical climate, where vibrant ecosystems thrive under the expansive sky.

Average Daylight Hours in Soconusco for September

The chart illustrates the variation in daylight duration in Soconusco throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 19m11h 38m12h 3m12h 28m12h 49m12h 59m12h 54m12h 35m12h 11m11h 45m11h 24m11h 13m
Data source: Soconusco daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Soconusco

In September, Soconusco, Mexico experiences gentle breezes, with an average wind speed of 1.3 m/s (3 mph). This slight increase from the summer months signals a subtle transition into the fall, as the wind remains consistent and calm compared to earlier in the year. From January to August, wind speeds varied but generally hovered around a modest 1.2 to 1.7 m/s. After September, the winds dip slightly, with October offering the year's lowest winds at 1.1 m/s (2 mph). This trend highlights a gradual decline towards the close of the year, providing a serene backdrop that complements the region’s vibrant landscapes and warm climate.

Average September Wind Speed in Soconusco

The chart displays monthly wind speed patterns in Soconusco, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.71.61.61.21.21.21.21.3 m/s1.11.31.3
Data source: Soconusco September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Soconusco Compares to Other Months

The weather in Soconusco 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 Soconusco and find detailed weather information for every month.

September weather is characterized by warmer temperatures, with a minimum of 22°C (72°F) and an average of 27°C (81°F), peaking at 33°C (92°F). However, it also brings significant rainfall, averaging 329 mm (12.9 in) over 24 days, coupled with high humidity at 80%. In contrast, January offers a cooler climate, featuring lower minimum temperatures of 17°C (63°F) and a similar average to September at 26°C (79°F), though it can reach up to 35°C (95°F). Rainfall is minimal in January, with only 6 mm (0.2 in) over 2 days, and humidity is slightly lower at 70%. For more detailed information on January weather, check out Soconusco weather in January.

September and February showcase distinct weather patterns, highlighting the transition from a humid late summer to a drier early spring. In September, temperatures typically range from a comfortable 22°C (72°F) to a high of 33°C (92°F), accompanied by significant rainfall averaging 329 mm over 24 days and high humidity at 80%. In contrast, February features slightly cooler nighttime temperatures, with a minimum of 18°C (65°F) and a maximum reaching up to 35°C (95°F). The month is characterized by dry conditions, with minimal precipitation of just 2 mm and an average humidity of 68%. For a detailed look at February's weather specifics, you can visit Soconusco weather in February.

When comparing the weather of September and March, it's evident that September experiences much higher precipitation, with 329 mm (12.9 in) falling over 24 days, leading to a distinctly humid atmosphere at around 80%. In contrast, March is significantly drier, with only 7 mm (0.3 in) of rain occurring on just one day and lower humidity at 64%. Temperature-wise, both months are relatively warm, with September having a maximum of 33°C (92°F) compared to March's peak of 36°C (97°F); however, March has a slightly higher average temperature of 28°C (82°F) compared to September's average of 27°C (81°F). For a more detailed look at March weather, you can visit Soconusco weather in March.

When comparing the weather in September and April, it's clear that both months showcase warm temperatures, but with notable differences. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 33°C (92°F), with an average of 27°C (81°F). However, this month is characterized by significant rainfall, with 329 mm (12.9 in) of precipitation over 24 days, and high humidity at 80%.

Conversely, April enjoys slightly warmer temperatures, starting from a minimum of 21°C (70°F) and peaking at 36°C (97°F), with an average of 29°C (84°F). Notably, April experiences minimal precipitation, only 20 mm (0.8 in) over just 5 days, and lower humidity at 67%. For those interested in more detailed information, you can check out this link: Soconusco weather in April.

In comparing the weather between September and May, we see some notable differences. September typically features slightly lower temperatures, with a minimum of 22°C (72°F) and an average of 27°C (81°F), while May offers a warmer minimum of 23°C (73°F) and an average of 28°C (83°F). However, May can reach higher maximum temperatures, soaring up to 36°C (98°F), compared to September's maximum of 33°C (92°F).

Precipitation levels also vary significantly; September experiences heavier rainfall, with 329 mm (12.9 in) over 24 rainy days, while May has less rain, totaling 197 mm (7.7 in) across 21 rainy days. Additionally, the humidity in September is higher at 80%, compared to May's 74%. For a more detailed look at weather in May, you can explore Soconusco weather in May.

When comparing the weather in September and June, we see some similarities and differences. Both months experience a minimum temperature of around 22°C (72°F) and an average temperature of 27°C (81°F). However, June tends to be slightly warmer on the higher end, with a maximum of 34°C (93°F), compared to September's max of 33°C (92°F). Precipitation is higher in September, with 329 mm (12.9 in) spread over 24 days, while June receives 295 mm (11.6 in) over 21 days. Additionally, September's humidity averages around 80%, slightly higher than June's 78%. For more detailed insights, you can check Soconusco weather in June.

In comparing the weather between September and July, both months experience similarly warm temperatures, with July averaging 28°C (82°F) compared to September's 27°C (81°F). However, July tends to be slightly warmer at its maximum, hitting 34°C (94°F), in contrast to September's peak of 33°C (92°F). Precipitation levels are significantly higher in September, with 329 mm (12.9 in) falling over 24 days, whereas July sees only 140 mm (5.5 in) over 16 days. Humidity remains relatively comparable, with September at 80% and July at 81%. For a detailed look at July weather in the region, visit Soconusco weather in July.

In comparing the weather between September and August, both months experience similar temperature ranges, with September showing a minimum of 22°C (72°F) and averaging around 27°C (81°F), while August reaches a slightly higher maximum of 34°C (93°F). However, September is notably wetter, recording 329 mm (12.9 in) of precipitation over 24 days, compared to August's 215 mm (8.5 in) over 21 days. Both months have high humidity levels, with September at 80% and August slightly higher at 82%. For a more detailed look at August weather, you can check Soconusco weather in August.

In September, the weather features a minimum temperature of 22°C (72°F), an average of 27°C (81°F), and a maximum of 33°C (92°F), accompanied by significant precipitation of 329 mm (12.9 in) over 24 days and a humidity level of 80%. In contrast, October maintains the same temperature range with a minimum of 22°C (71°F), an average of 27°C (80°F), and a maximum of 33°C (92°F). However, it experiences increased precipitation, totaling 392 mm (15.4 in) across 26 days, and slightly higher humidity at 81%. For a more detailed look at the weather, check out Soconusco weather in October.

In September, the weather is generally warmer, with minimum temperatures around 22°C (72°F) and frequent rainfall totaling 329 mm (12.9 in) over 24 days, contributing to a humid atmosphere with an average humidity of 80%. In contrast, November experiences slightly cooler minimum temperatures of 19°C (67°F) and significantly less precipitation, only 71 mm (2.8 in) over 11 days, while maintaining a similar average humidity level of 80%. This makes November a more comfortable month with drier conditions compared to the wet, humid days of September. For more detailed information, check out Soconusco weather in November.

When comparing the weather in September and December, a notable shift is apparent. September is characterized by warmer temperatures, with a minimum of 22°C (72°F) and an average of 27°C (81°F), reaching up to 33°C (92°F). This month also experiences significant precipitation, totaling 329 mm (12.9 in) over 24 days, contributing to a high humidity level of 80%. In contrast, December features cooler temperatures, with a minimum of 17°C (64°F), an average of 26°C (79°F), and a maximum of 34°C (94°F). Significantly drier, December sees only 7 mm (0.3 in) of precipitation over just 1 day, and humidity decreases to 75%. For more details on December weather, you can visit Soconusco weather in December.

Compare Soconusco's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Soconusco

September in Soconusco brings a unique blend of warmth and moisture, contrasting significantly with the drier months that precede it. With temperatures averaging around 27°C (81°F), the warmth feels more intense due to the elevated humidity levels, often reaching 80%. This month is characterized by frequent rainfall, with about 24 days experiencing precipitation, resulting in a total of 329 mm (12.9 in), making it one of the wettest months of the year. As such, September offers a vibrant yet challenging climate for visitors and locals alike, marked by lush landscapes nourished by the frequent showers. To learn more about the overall weather patterns and how September compares to other months, check out Soconusco Climate.