September Weather in Soconusco, Mexico

Last updated: April 22, 2025

In Soconusco, Mexico, September brings a dynamic blend of warmth and moisture, with maximum temperatures soaring to 36°C (98°F) and a pleasant average of 27°C (81°F). The month experiences significant rainfall, totaling 262 mm (10.3 in) over approximately 25 days, contributing to a high humidity level of 84%. This combination creates a lush environment, perfect for the region's vibrant flora and fauna, although visitors should prepare for frequent rain showers in this tropical paradise.

September Temperature in Soconusco

In September, Soconusco, Mexico, experiences a delightful transition as summer begins to wane. The minimum temperature hovers around a comfortable 21°C (71°F), while the average reaches 27°C (81°F), providing a pleasant backdrop for outdoor activities. As the month progresses, the mercury allows for warm afternoons, peaking at a maximum of 36°C (98°F), reminiscent of the hotter summer months. This slight dip in nighttime temperatures and moderate averages signals the approach of autumn, making September an ideal time to enjoy Soconusco’s lush landscapes and vibrant culture before the more temperate months arrive. Overall, the warmth remains inviting, yet it subtly hints at the cooling trends of the upcoming autumn.

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.
JanFebMarAprMayJunJulAugSepOctNovDec727578828582828281797573
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 experiences a noteworthy peak in precipitation, receiving 262 mm (10.3 in) of rainfall over 25 days, marking it as one of the wettest months of the year. This surge in rainfall follows the trend established during the summer months, where June, July, and August also showcased significant precipitation, suggesting a robust rainy season in the region. The increase from August’s 224 mm (8.8 in) further emphasizes September's status as a climactic transition period, where lush landscapes are nourished before the drier months begin. As the wet season progresses, the frequency of rainy days remains consistent, keeping the atmosphere rich and vibrant, a vital aspect of Soconusco’s unique ecological character.

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.
JanFebMarAprMayJunJulAugSepOctNovDec39311923432231702242621989540
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Soconusco

In September, Soconusco, Mexico experiences a notable spike in humidity, reaching 84%, which mirrors the elevated moisture levels typical of the month prior. This resurgence aligns with the region's climatic pattern, where humidity tends to rise after the summer months. Following a gradual decline from April's 67%, humidity levels oscillate, culminating in increased figures as the year progresses, peaking in October at 89%. Such patterns reflect the area's lush tropical climate, reinforcing the significance of humidity in shaping the region's vibrant ecosystems throughout the year.

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.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%73%67%72%73%76%80%84%89%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Soconusco

As September rolls into Soconusco, Mexico, residents and visitors can expect a consistent high UV Index of 13, categorized as extreme, which necessitates precautions like timely application of sunscreen and protective clothing. This month marks a continuation of the intense summer trends, following July's peak UV Index of 14, and aligns closely with the previous months of August, June, and May where the UV levels remained at 13. With a burn time of only 10 minutes, the emphasis on protection is crucial during this period. Observing this trend of elevated UV exposure from February through October, anyone enjoying the radiant Mexican sunshine must stay vigilant to safeguard their skin. For more detailed information on the UV Index, 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.
JanFebMarAprMayJunJulAugSepOctNovDec911121313131413131198
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

As the vibrant hues of summer begin to fade, September in Soconusco, Mexico, offers a delightful transition with an impressive 281 hours of sunshine. This month, while slightly less sunny than the peak of May at 325 hours, still boasts ample daylight, ensuring that the lush landscapes and coastal vistas are bathed in golden light. Following a pattern seen throughout the year, September maintains a robust sun exposure comparable to the preceding months of July and August, where sunshine peaked at 309 and 302 hours, respectively. As the year winds down, Soconusco's sun-filled September stands as a testament to its climactic charms, inviting travelers and locals alike to bask in its warm embrace before the cooler months set in.

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.
JanFebMarAprMayJunJulAugSepOctNovDec177h232h292h304h325h280h309h302h281h262h253h244h
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, the likelihood of sunny weather in September stands at a modest 17%, making it one of the cloudier months of the year. This marks a notable decline from the sunnier spring months of March and April, which enjoy percentages as high as 67% and 59%, respectively. As summer transitions into fall, September bridges the gap between the sweltering heat of June and the more agreeable conditions of October, which sees a slight improvement to 33%. Travelers should prepare for potential overcast skies and the possibility of rain, as this month falls within the rainy season, steering clear of any misconceptions that September is primed for bright and sunny days.

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.
JanFebMarAprMayJunJulAugSepOctNovDec26%58%67%59%40%14%30%26%17%33%46%59%
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 brings a delightful balance of 12 hours of daylight, mirroring the consistent daylight pattern established throughout the spring and summer months. As the year progresses from January to June, daylight gradually increases, peaking at 13 hours during the summer. Following this peak, a gradual decrease begins, with daylight hours settling back to 12 hours by September. This ebb and flow not only marks the transition from summer to autumn but also offers residents the opportunity to enjoy a vibrant range of activities under the sun before the daylight hours shrink again in the cooler months ahead. With its steady daylight duration, September serves as a perfect bridge between the warmth of summer and the approaching fall.

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 10m11h 33m12h 2m12h 33m12h 58m13h 10m13h 3m12h 41m12h 12m11h 42m11h 16m11h 3m
Data source: Soconusco daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Soconusco

As September unfolds in Soconusco, Mexico, the average wind speed gently shifts to 1.9 m/s (4 mph), marking a slight uptick from the stillness of the summer months. This modest breeze, while soft, adds a refreshing touch to the region, contrasting with the calmer winds of June through August, which lingered at just 1.8 m/s (4 mph). The transition into fall signals a gradual increase in wind strength, hinting at the changes to come in October and November, where average speeds hover around 2.0 m/s (4 mph). This subtle yet noticeable shift showcases the region's dynamic weather patterns, capturing the essence of a place where every breeze carries whispers of the coming seasonal transformations.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.43.03.22.71.81.81.81.9 m/s2.01.92.0
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 and January present notably different weather patterns. In September, temperatures range from a minimum of 21°C (71°F) to a maximum of 36°C (98°F), with an average of 27°C (81°F). This month experiences significant precipitation, totaling 262 mm (10.3 in) over 25 days, resulting in humid conditions with an average humidity of 84%. In contrast, January is much cooler, with temperatures ranging from 12°C (54°F) to 34°C (93°F), and an average of 22°C (72°F). The precipitation drops sharply to 39 mm (1.5 in) over just 9 days, yet the humidity remains constant at 84%. For more detailed insights on January weather, you can visit Soconusco weather in January.

In comparing the weather of September and February, it's evident that September tends to be much warmer and rainier. September sees minimum temperatures around 21°C (71°F) and averages reaching up to 27°C (81°F), peaking at 36°C (98°F), accompanied by high humidity levels of 84%. Additionally, it experiences significant rainfall, with 262 mm (10.3 in) spread over 25 days. In contrast, February's milder conditions bring a minimum temperature of 12°C (55°F) and an average of 24°C (75°F), with maximums reaching 34°C (94°F). This month is much drier, with only 31 mm (1.2 in) of precipitation over just 5 days and slightly lower humidity at 80%. For more details, you can check Soconusco weather in February.

In September, the weather is characterized by warmer temperatures, with a minimum of 21°C (71°F) and an average of 27°C (81°F), peaking at a scorching 36°C (98°F). This month experiences significant rainfall, totaling 262 mm (10.3 in) over 25 days, contributing to a high humidity level of 84%. In contrast, March sees a more comfortable climate with a lower minimum temperature of 13°C (55°F) and an average temperature of 25°C (78°F), while still reaching 38°C (100°F) at its highest. Precipitation in March is minimal, only 19 mm (0.7 in) over just 5 days, and the humidity drops to a more moderate 73%. For a closer look at the climate details, check out Soconusco weather in March.

September and April present distinct contrasts in weather patterns. In September, temperatures range from a minimum of 21°C (71°F) to a maximum of 36°C (98°F), with an average of 27°C (81°F). This month is characterized by high humidity at 84% and significant rainfall, totaling 262 mm (10.3 inches) over 25 days, creating a rather wet atmosphere. In contrast, April offers a slightly cooler minimum temperature of 16°C (61°F) but peaks at a scorching maximum of 38°C (102°F), averaging around 28°C (82°F). Additionally, precipitation is minimal in April, amounting to only 23 mm (0.9 inches) over just 5 days and featuring lower humidity at 67%. For more details on April weather, you can visit Soconusco weather in April.

When comparing the weather in September and May, notable differences emerge. September tends to be warmer at night with a minimum temperature of 21°C (71°F), while May starts slightly cooler at 19°C (66°F). However, May boasts a higher average temperature of 29°C (85°F) compared to September's average of 27°C (81°F), and it can reach maximums of 39°C (103°F), significantly hotter than September's peak of 36°C (98°F). Furthermore, September is considerably wetter, with 262 mm (10.3 in) of precipitation over 25 days, compared to May's much drier conditions with only 43 mm (1.7 in) over 9 days. Additionally, humidity levels are higher in September at 84%, while May experiences a more moderate 72%. For more detailed insights, you can check out Soconusco weather in May.

In comparing the weather of September and June, one can observe notable differences in temperature and humidity levels. September experiences slightly lower minimum temperatures at 21°C (71°F), while June starts off a bit warmer at a minimum of 22°C (71°F). The average temperatures are also comparable, with September averaging 27°C (81°F) and June at a slightly higher 28°C (83°F). Additionally, both months see high maximum temperatures, peaking at 36°C (98°F) in September and 37°C (100°F) in June.

In terms of precipitation, September is notably wetter, receiving 262 mm (10.3 in) across 25 days, compared to June's 223 mm (8.8 in) over 22 days. Humidity levels reflect this variance, with September maintaining a higher humidity at 84%, while June's humidity sits lower at 73%. For a deeper look into June weather specifics, you can explore Soconusco weather in June.

When comparing the weather in September and July, both months exhibit similar temperature ranges, with minimum temperatures around 21°C (71°F) and maximums reaching up to 36°C (98°F). However, September tends to be slightly cooler on average, with an average temperature of 27°C (81°F) compared to July's 28°C (82°F). Additionally, September experiences significantly higher precipitation, totaling 262 mm (10.3 in) over 25 days, while July sees less rainfall at 170 mm (6.7 in) over 23 days. This leads to September having a higher humidity level at 84%, compared to July's 76%. For a more detailed look at weather conditions during this time, you can refer to Soconusco weather in July.

In September, temperatures experience a slight decrease compared to August, with September's averages ranging from a minimum of 21°C (71°F) to a maximum of 36°C (98°F), while August sees a minimum of 22°C (71°F) and a maximum of 36°C (97°F). Both months share the same maximum temperatures, but September has a lower average temperature of 27°C (81°F) compared to August's 28°C (82°F). Additionally, September receives more precipitation, totaling 262 mm (10.3 in) over 25 days, compared to August's 224 mm (8.8 in) over the same number of days. This results in higher humidity levels in September at 84%, compared to 80% in August. For more detailed insights into August's weather, you can check Soconusco weather in August.

In September, the weather is typically warmer, with average temperatures peaking at 27°C (81°F) and maximums reaching up to 36°C (98°F). The month is also characterized by high humidity at 84% and significant rainfall, totaling 262 mm (10.3 in) over 25 days. In contrast, October sees slightly cooler temperatures, with an average of 26°C (80°F) and maximums of 34°C (94°F). Precipitation decreases to 198 mm (7.8 in) across 21 days, while humidity rises to 89%. For more detailed information on October weather, you can visit Soconusco weather in October.

In September, the weather is considerably warmer and more humid, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 36°C (98°F) and an average of 27°C (81°F). The month experiences heavy precipitation, totaling 262 mm (10.3 in) over 25 days, creating a steamy atmosphere with humidity levels at 84%. In contrast, November brings cooler temperatures, with a minimum of 14°C (57°F), an average of 24°C (75°F), and a maximum of 33°C (92°F). The rainfall significantly decreases to 94 mm (3.7 in) across 14 days, though humidity remains high at 88%. For more details on the weather during this month, check out Soconusco weather in November.

September and December present quite contrasting weather patterns. In September, temperatures are typically warmer, ranging from a minimum of 21°C (71°F) to a sweltering maximum of 36°C (98°F), with an average of 27°C (81°F). This month also experiences significant rainfall, accumulating 262 mm (10.3 in) over 25 days, contributing to high humidity levels of 84%. In contrast, December offers a much cooler climate, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 33°C (92°F), averaging 23°C (73°F). Notably, December sees only 40 mm (1.6 in) of precipitation over just 9 days, while humidity remains relatively high at 88%. For more details on the weather specifics in December, visit Soconusco weather in December.

Compare Soconusco's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Soconusco

As September descends upon Soconusco, it brings a unique blend of warmth and humidity that sets it apart from other months. The soaring temperatures may reach an impressive 36°C, while the consistent 84% humidity adds a sultry feel to the air, making the average day feel even warmer. However, what truly characterizes this month is the significant rainfall, with 262 mm spread over 25 rainy days, creating a lush, vibrant landscape. This contrast of heat and moisture not only enhances the region's natural beauty but also signals the end of the dry season, paving the way for the rich tapestry of fall. For a deeper understanding of what to expect throughout the year, check out Soconusco Climate.