September Weather in Trancoso, Mexico

Last updated: April 22, 2025

In September, Trancoso, Mexico experiences a tropical climate characterized by a pleasant average temperature of 19°C (66°F), peaking at a warm 29°C (84°F) during the day and dipping to a cool 9°C (48°F) at night. Visitors should prepare for frequent rainfall, as the month sees approximately 122 mm (4.8 in) of precipitation over 14 days, leading to a humid environment with an average humidity level of 81%. This blend of warmth and moisture creates a unique atmosphere, making September an intriguing time to explore the lush landscapes and vibrant culture of Trancoso.

September Temperature in Trancoso

September in Trancoso, Mexico, marks a delightful transition as the summer heat begins to wane. With minimum temperatures around 9°C (48°F) and an average of 19°C (66°F), visitors can expect a comfortable climate that invites outdoor exploration. The maximum temperatures, reaching 29°C (84°F), still provide warm days perfect for enjoying the stunning beaches. Overall, September showcases a pleasant blend of warmth and coolness, setting the stage for early autumn adventures and the gradual allure of the cooler months ahead.

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

The chart illustrates September temperature patterns in Trancoso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec555965687270686966645955
Data source: Temperature data for Trancoso 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 Trancoso

September marks a significant turning point in Trancoso's precipitation patterns, as the month sees a dramatic rise in rainfall to 122 mm (4.8 in) over 14 days. This surge, the highest of the year, not only highlights September's role as a peak rainy season but also sets the stage for a lush landscape after the drier months of summer. Following a gradual ascent from June, where rains begin to swell, the robust downpours in September signal the transition into the wetter months ahead. As the tropical climate embraces its full vigor, the combined effects of these frequent showers and abundant precipitation create a vibrant environment, perfect for nature enthusiasts and travelers alike.

September Precipitation Trends in Trancoso

The chart displays monthly precipitation patterns in Trancoso, 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.
JanFebMarAprMayJunJulAugSepOctNovDec16965217911267122371414
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Trancoso

As summer transitions into fall, September in Trancoso, Mexico, greets visitors with a notable increase in humidity, reaching 81%—the highest level recorded since May. This spike reflects a gradual rise from the drier months of April and August, which recorded some of the region's lowest humidity levels at 64%. Following September, the humidity continues to climb, peaking again in the late fall months of November and December. This trend indicates a shift towards a more humid season, making September a memorable time to experience the lush, vibrant landscapes of Trancoso while bracing for the lush, refreshing atmosphere that autumn brings.

September Average Humidity in Trancoso

This chart illustrates the average monthly humidity levels in Trancoso, 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.
JanFebMarAprMayJunJulAugSepOctNovDec75%69%65%64%75%78%67%64%82%86%87%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Trancoso

As summer transitions into autumn, September in Trancoso, Mexico maintains an extreme UV Index of 14, indicating a consistent need for sun protection, similar to the preceding months of June, July, and August. With a burn time of just 10 minutes, the risk remains high, urging both locals and visitors to be vigilant about sun safety. This trend of elevated UV levels is a hallmark of Trancoso's sunny climate, making it essential to stay informed. Although October sees a slight dip to a UV Index of 12, the overall pattern remains clear: the sun's intensity is a significant factor from January through October, emphasizing the importance of protecting your skin year-round. For more detailed information, visit the Trancoso UV Index.

Maximum UV Index Levels in Trancoso for September

The chart shows the monthly maximum UV Index (UVI) for Trancoso 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.
JanFebMarAprMayJunJulAugSepOctNovDec9111415151414141412108
Data source: Trancoso 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 Trancoso

September in Trancoso, Mexico, ushers in a delightful blend of warmth and sunshine, boasting 294 hours of radiant sunlight. While this marks a dip from the sun-drenched months of May through August, which consistently offered over 330 hours of sunlight, it still provides ample opportunity to soak up the vibrant atmosphere of this picturesque locale. As summer gradually transitions into autumn, the changing light plays a captivating role, illuminating the stunning natural beauty of Trancoso. With the days still lengthy and inviting, September serves as a perfect moment to enjoy beach strolls and sunset gatherings, making it an ideal time to experience the essence of this coastal gem before the cooler months take hold.

Monthly Sunshine Duration in Trancoso: September Highlighted

The September sunshine duration represents the total number of hours Trancoso 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.
JanFebMarAprMayJunJulAugSepOctNovDec229h267h316h328h350h334h335h336h294h294h282h282h
Data source: Trancoso September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Trancoso During September

When it comes to September in Trancoso, Mexico, the likelihood of basking in sunny weather takes a notable dip, with only a 30% chance of sunshine. This month marks a continuation of the rainy season, falling into a broader trend where summer months like July and August also report low likelihoods of clear skies, at just 30% and 46% respectively. After the bright peaks of February's 80%, September’s forecast may seem less inviting, but the improving conditions in October, which offers a 51% chance of sun, hint at the approaching transition into the more favorable fall weather. Thus, while September may not be the sunniest choice, it still holds its charm within Trancoso’s vibrant landscape.

Percentage of Sunny Days in September in Trancoso

The chart illustrates the percentage of sunny days in Trancoso 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 Trancoso experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%80%67%67%69%41%30%46%30%52%66%67%
Data source: Trancoso September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Trancoso in September

As September rolls into Trancoso, Mexico, residents and visitors alike are treated to 12 hours of daylight, continuing a trend of ample sunlight that peaks in the months leading up to summer. Starting from a modest 10 hours in January, the days gradually stretch, peaking at 13 hours during the summer months of May through July. The light begins to wane again as autumn approaches, with September marking a transition point before the daylight hours begin to decline in October. This rhythmic cycle of daylight not only enhances outdoor activities but also casts a warm glow on the lush landscapes, making September a delightful time to experience the natural beauty of Trancoso.

Average Daylight Hours in Trancoso for September

The chart illustrates the variation in daylight duration in Trancoso throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 54m11h 23m12h 1m12h 41m13h 13m13h 29m13h 20m12h 51m12h 14m11h 35m11h 1m10h 45m
Data source: Trancoso daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Trancoso

As the summer fades, September in Trancoso, Mexico brings a gentle caress of wind, with average speeds dipping to 2.5 m/s (6 mph). This marks a noticeable decrease from the breezier months of April and August, which enjoyed winds nearing 3.8 m/s (9 mph), creating an inviting atmosphere for beachgoers. The trend of gradually diminishing wind speeds continues into October and November, where they hover around this serene 2.6 to 2.8 m/s range. These calmer conditions not only offer a tranquil respite but also enhance the vibrant coastal ambiance, making September an ideal time to bask in the natural beauty of Trancoso.

Average September Wind Speed in Trancoso

The chart displays monthly wind speed patterns in Trancoso, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.63.43.83.43.32.83.52.5 m/s2.62.82.5
Data source: Trancoso September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Trancoso Compares to Other Months

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

In September, the weather is notably warmer, with minimum temperatures around 9°C and maximums reaching 29°C, making it feel tropical with an average of 19°C. However, this month also sees significant precipitation, accumulating 122 mm over 14 days, leading to high humidity levels of 81%. In contrast, January brings a shift towards cooler weather, where minimum temperatures can drop to -1°C, while the average rests at 13°C and maximums reach 27°C. With much less rainfall totaling just 16 mm over three days and a humidity level of 75%, January feels drier and more refreshing. For more details, you can check out Trancoso weather in January.

September and February present notably different weather patterns. September experiences a broader range of temperatures, with minimums around 9°C (48°F) and maximums reaching up to 29°C (84°F), resulting in an average of 19°C (66°F). However, it also sees significant rainfall, with 122 mm (4.8 in) over approximately 14 days, contributing to high humidity levels at 81%. In contrast, February offers cooler temperatures, with minimums of 2°C (35°F) and maximums peaking at 31°C (88°F), averaging 15°C (59°F). The month is characterized by much drier conditions, receiving only 9 mm (0.4 in) of precipitation over just one day, and features a lower humidity level at 69%. For more details on February weather, check out Trancoso weather in February.

In comparing the weather conditions of September and March, it's clear that September tends to be milder and wetter. With average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 29°C (84°F), September often brings more comfortable conditions, albeit with significant rainfall totaling 122 mm (4.8 in) over 14 days and higher humidity at 81%. In contrast, March experiences higher maximum temperatures that can reach up to 33°C (92°F), but with a cooler minimum of 4°C (39°F) and significantly less precipitation, totaling just 5 mm (0.2 in) over only one day, alongside lower humidity at 65%. For a more detailed look at the weather in March, visit Trancoso weather in March.

September and April exhibit distinct weather characteristics. In September, temperatures range from a minimum of 9°C (48°F) to a maximum of 29°C (84°F), with an average temperature of 19°C (66°F). This month experiences significant precipitation, totaling 122 mm (4.8 in) over 14 days, resulting in a humidity level of 81%. In contrast, April tends to showcase warmer conditions, with temperatures ranging from a low of 5°C (41°F) to a high of 33°C (92°F) and an average of 20°C (68°F). Notably, April is much drier, with only 5 mm (0.2 in) of rainfall over just one day and a humidity level of 64%. For a closer look at what to expect, you can check the link Trancoso weather in April.

In comparing the weather of September and May, September tends to be cooler with average temperatures ranging between 9°C (48°F) and 29°C (84°F), while May enjoys warmer days, with averages from 9°C (49°F) to a peak of 35°C (95°F). Precipitation is also notably higher in September, with 122 mm (4.8 in) over 14 days, compared to May's much lighter rainfall of just 21 mm (0.8 in) over 4 days. Humidity levels are slightly higher in September at 81%, contrasted with May's 75%. For more details on May’s weather, check out Trancoso weather in May.

When comparing the weather in September and June, notable differences emerge. In September, temperatures range from a cooler 9°C (48°F) at night to a warm 29°C (84°F) during the day, averaging 19°C (66°F). The month sees significant precipitation, with 122 mm (4.8 in) falling over approximately 14 days and a humidity level of 81%. In contrast, June offers warmer conditions with nighttime lows of 11°C (51°F) and daytime highs reaching up to 35°C (95°F), averaging around 21°C (71°F). This month experiences lesser rainfall, totaling 79 mm (3.1 in) over 10 days, and a slightly lower humidity at 78%. For more detailed insights on June weather, visit Trancoso weather in June.

In comparing the weather of September and July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 29°C (84°F), while July usually sees higher temperatures, with averages from 12°C (54°F) to 31°C (89°F). Precipitation levels are quite similar, with September experiencing 122 mm (4.8 in) over 14 days and July having just a bit less at 112 mm (4.4 in) over 12 days. Additionally, September exhibits higher humidity at 81%, compared to July's relatively comfortable 67%. For a closer look at July's climate, you can refer to Trancoso weather in July.

In comparing the weather between August and September, September tends to be cooler with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 29°C (84°F), while August features warmer temperatures, with averages between 11°C (53°F) and 31°C (89°F). Additionally, September experiences significantly more rainfall, totaling 122 mm (4.8 in) over 14 days, compared to August's 67 mm (2.6 in) across just 8 days. The humidity levels also rise in September, reaching 81% compared to August's more comfortable 64%. For a detailed look at August weather in Trancoso, you can check Trancoso weather in August.

In September, the weather is generally warmer with average temperatures reaching up to 19°C (66°F) and maximums peaking at 29°C (84°F), accompanied by significant precipitation totaling 122 mm (4.8 in) over 14 days. The humidity is relatively high at 81%. In contrast, October experiences slightly cooler conditions, with average temperatures averaging 18°C (64°F) but still features warm highs of 29°C (84°F). Rainfall is notably reduced to 37 mm (1.4 in) over just 6 days, and humidity increases slightly to 85%. For a detailed comparison, you can check Trancoso weather in October.

September weather is characterized by milder temperatures, with an average of 19°C (66°F) and highs reaching up to 29°C (84°F). The month sees significant rainfall, totaling 122 mm (4.8 in) over about 14 days, contributing to a high humidity level of 81%. In contrast, November experiences a notable dip in temperature, with nighttime lows falling to -1°C (30°F), although the average remains comfortable at 15°C (60°F). Rainfall is minimal during this month, with just 14 mm (0.6 in) occurring over one day, and humidity levels slightly higher at 87%. For more details on November weather, visit Trancoso weather in November.

September and December present contrasting weather patterns. In September, temperatures range from a mild 9°C (48°F) at night to a warm 29°C (84°F) during the day, with an average of 19°C (66°F). This month also sees higher precipitation, with about 122 mm (4.8 in) falling over 14 days, contributing to humidity levels of 81%. In contrast, December experiences a much cooler climate, with nighttime lows of -7°C (20°F) and daytime highs averaging 13°C (55°F), though it can reach up to 27°C (82°F) on warmer days. The month sees significantly less precipitation, totaling only 14 mm (0.5 in) over just 1 day, accompanied by a slightly higher humidity of 87%. For more details on December weather, check out Trancoso weather in December.

Compare Trancoso's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Trancoso

September in Trancoso brings a distinct transition, marked by increased humidity and a notable uptick in rainfall compared to the drier summer months. With maximum temperatures rising to a comfortable 29°C (84°F), the days remain warm, but the chill of cooler nights can remind you that autumn is approaching. This month stands out not only for its frequent showers—averaging 14 rainy days—but also for the lush vibrancy it adds to the landscape. As you prepare for your visit, be sure to check the full weather details at Trancoso Climate for a well-rounded understanding of what to expect in this beautiful destination.