September Weather in Juchitan de Zaragoza, Mexico

Last updated: April 22, 2025

In Juchitán de Zaragoza, Mexico, the weather in September presents a warm and humid atmosphere, characterized by maximum temperatures reaching 38°C (100°F) and an average of 28°C (83°F). The minimum temperature, rarely dropping below 23°C (73°F), creates a consistently warm environment. Rainfall is a substantial aspect of this month, with precipitation totals of 170 mm (6.7 in) spread across approximately 18 rainy days, resulting in an humidity level of 84% that enhances the tropical feel. This combination of heat and moisture shapes the unique climate of Juchitán during September, reflecting the region's vibrant and dynamic weather patterns.

September Temperature in Juchitan de Zaragoza

In September, Juchitán de Zaragoza experiences a warm embrace from the lingering summer warmth, with minimum temperatures settling around 23°C (73°F) and averages hovering at a comfortable 28°C (83°F). The maximum temperatures can reach up to 38°C (100°F), providing clear skies and plenty of sunshine. As the month progresses, there's a slight dip compared to the peak heat of the summer, creating an ideal time for outdoor activities. The consistent warmth and radiant days demonstrate a transitional phase, where the vibrant energy of summer meets the gentle onset of fall.

September Weather in Juchitan de Zaragoza: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Juchitan de Zaragoza, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec767881838583858383827977
Data source: Temperature data for Juchitan de Zaragoza 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 Juchitan de Zaragoza

September in Juchitán de Zaragoza marks a significant peak in precipitation, with 170 mm (6.7 in) of rain recorded over 18 days. This surge follows a notably wet August and is a continuation of the region's rainy season, which typically begins in late spring. The amount of rainfall during September not only highlights the transition into the more intense months of the rainy season but also contributes to the lush landscape that characterizes this vibrant part of Mexico. As the last month of substantial rainfall before October's decrease to 117 mm (4.6 in), September plays a crucial role in replenishing the area's water resources and supporting its diverse ecosystems. The rhythm of rain during this month signals both the bounty and challenges that come with the region's climate, illustrating a clear trend of increasing precipitation leading into the autumn.

September Precipitation Trends in Juchitan de Zaragoza

The chart displays monthly precipitation patterns in Juchitan de Zaragoza, 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.
JanFebMarAprMayJunJulAugSepOctNovDec584105323970164170117108
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Juchitan de Zaragoza

In September, Juchitan de Zaragoza experiences a notable increase in humidity, reaching 84%. This uptick aligns with the humid patterns established earlier in the year, particularly mirroring the levels seen in January and August. Following a gradual decline from the peak humidity of 89% in October, September serves as a transitional month, highlighting the seasonal shift from summer to autumn. The overall trend reveals a consistent humidity pattern that peaks during the early fall months before surging again as winter approaches, creating a unique atmospheric experience that characterizes this vibrant region.

September Average Humidity in Juchitan de Zaragoza

This chart illustrates the average monthly humidity levels in Juchitan de Zaragoza, 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 Juchitan de Zaragoza

In September, Juchitan de Zaragoza, Mexico, continues to experience a notably high UV Index of 13, maintaining its status in the extreme exposure category. This consistency in high UV levels reflects a trend observed throughout the year, particularly from February to October, where the UV Index often peaks at 12 or higher. With a burn time of just 10 minutes, it is crucial for residents and visitors to take precautions against sun exposure. As summer transitions into fall, the persistent risks underscore the importance of sun safety. For a detailed look at Juchitan's UV Index trends, visit Juchitan de Zaragoza UV Index.

Maximum UV Index Levels in Juchitan de Zaragoza for September

The chart shows the monthly maximum UV Index (UVI) for Juchitan de Zaragoza 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.
JanFebMarAprMayJunJulAugSepOctNovDec10121313141314131312109
Data source: Juchitan de Zaragoza 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 Juchitan de Zaragoza

As the calendar shifts to September in Juchitán de Zaragoza, Mexico, the sunshine continues to grace the region, offering an impressive 290 hours of daylight. This month maintains a delightful consistency in sunshine, slightly dipping from the sun-soaked peak of 328 hours in July, yet still stands robust compared to the earlier months. Following the sunniest summer, September gently ushers in the transition into fall, providing a warm backdrop for the vibrant local festivities. The sustained hours of sunlight throughout the year highlight a trend of abundant sunshine, with only minor fluctuations, ensuring that Juchitán enjoys a bright and inviting atmosphere almost year-round.

Monthly Sunshine Duration in Juchitan de Zaragoza: September Highlighted

The September sunshine duration represents the total number of hours Juchitan de Zaragoza 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.
JanFebMarAprMayJunJulAugSepOctNovDec247h281h324h317h323h271h328h309h290h302h309h311h
Data source: Juchitan de Zaragoza September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Juchitan de Zaragoza During September

In Juchitán de Zaragoza, the likelihood of sunny weather takes a noticeable dip in September, with only a 16% chance of sunshine, making it one of the cloudiest months of the year. This trend follows a gradual decline from the vibrant sun-soaked days of January (56%) and peaks in February (79%), steadily decreasing through the months leading into autumn. After the bright and hopeful days of spring and early summer, the weather takes a turn towards dampness and cloud cover as the region braces for the rainy season. The contrast is stark, highlighting September's position as a transitional month that gives way to the sun's return in October (46%) and the more reliable brightness that follows in the months ahead.

Percentage of Sunny Days in September in Juchitan de Zaragoza

The chart illustrates the percentage of sunny days in Juchitan de Zaragoza 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 Juchitan de Zaragoza experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec56%79%77%59%38%14%29%22%16%46%69%80%
Data source: Juchitan de Zaragoza September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Juchitan de Zaragoza in September

In Juchitan de Zaragoza, Mexico, the rhythm of daylight follows a captivating pattern throughout the year. As the year begins, January and February greet residents with a consistent 11 hours of daylight. This gradual ascent to longer days reaches a peak in June, where the sun shines for an invigorating 13 hours. As summer ebbs, hours of daylight gently recede, with July and August maintaining a steady 12 hours. By September, the trend stabilizes, offering locals a reliable 12 hours of daylight, mirroring the preceding months and easing the transition into the shorter days of October and beyond. This predictable rhythm not only illuminates daily life but also reflects the cyclical nature of the seasons in this vibrant region.

Average Daylight Hours in Juchitan de Zaragoza for September

The chart illustrates the variation in daylight duration in Juchitan de Zaragoza throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 15m11h 36m12h 2m12h 30m12h 53m13h 4m12h 58m12h 38m12h 11m11h 44m11h 20m11h 9m
Data source: Juchitan de Zaragoza daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Juchitan de Zaragoza

In September, Juchitán de Zaragoza experiences a gentle shift in its winds, with an average speed of 3.1 m/s (7 mph). This isn't just a minor detail; it follows a gradual decline in wind activity during the summer months, where the breezes can drop to their calmest, exemplified by June's lull at 2.0 m/s. As the year transitions, September's winds show a slight increase from August's 3.2 m/s, hinting at the dynamic changes that the autumn months will bring. Looking back, the earlier spring months boast notably stronger winds, peaking at 5.8 m/s in January, creating a vivid contrast to September's soothing breeze. It’s a prelude to the more invigorating gusts of November, which rise again to 6.8 m/s, painting a clear picture of the region's shifting wind patterns throughout the year.

Average September Wind Speed in Juchitan de Zaragoza

The chart displays monthly wind speed patterns in Juchitan de Zaragoza, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.85.05.44.54.22.04.23.23.1 m/s4.16.84.9
Data source: Juchitan de Zaragoza September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Juchitan de Zaragoza Compares to Other Months

The weather in Juchitan de Zaragoza 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 Juchitan de Zaragoza and find detailed weather information for every month.

In September, the weather is significantly warmer, with average temperatures reaching around 28°C (83°F) and maximums soaring up to 38°C (100°F). This month also experiences considerable rainfall, totaling 170 mm (6.7 in) over approximately 18 days, contributing to high humidity levels of 84%. In contrast, January offers a milder climate with minimum temperatures of 16°C (60°F) and an average of 25°C (76°F), peaking at 36°C (97°F). Notably, January is much drier, with only 5 mm (0.2 in) of precipitation over just 1 day, while maintaining the same humidity percentage of 84%. For more details on January weather, you can visit Juchitan de Zaragoza weather in January.

In September, the weather is typically hotter and more humid, with average temperatures reaching 28°C (83°F) and maximums soaring up to 38°C (100°F). This month also sees considerable precipitation, averaging 170 mm (6.7 inches) over 18 days, resulting in a humidity level of 84%. In contrast, February offers a much milder climate, with lower minimum temperatures around 15°C (58°F) and an average of 26°C (79°F). Precipitation is scarce during this month, logging just 8 mm (0.3 inches) over a single day, and humidity remains relatively low at 80%. For more details on February weather specifics, you can visit Juchitan de Zaragoza weather in February.

In September, Juchitan de Zaragoza experiences warmer temperatures, with a minimum of 23°C (73°F) and an average of 28°C (83°F), peaking at 38°C (100°F). This month also sees significant rainfall, totaling 170 mm (6.7 in) over an average of 18 days, contributing to a high humidity level of 84%. In contrast, March boasts milder weather, featuring a minimum temperature of 17°C (63°F) and an average of 27°C (81°F), with highs reaching up to 37°C (100°F). Notably, March is much drier, receiving only 4 mm (0.1 in) of precipitation across zero rainy days, resulting in a lower humidity of 73%. For more detailed information, you can visit Juchitan de Zaragoza weather in March.

Comparing the weather in September and April, we see notable differences in temperature and precipitation. In September, temperatures range from a minimum of 23°C (73°F) to a maximum of 38°C (100°F), with an average of 28°C (83°F). This month is characterized by high humidity at 84% and significant rainfall, totaling 170 mm (6.7 in) over 18 days. In contrast, April features slightly warmer average temperatures, peaking at 40°C (104°F), but with a milder minimum of 20°C (68°F) and an average of 29°C (84°F). Precipitation in April is considerably lower at only 10 mm (0.4 in), occurring over just 3 days, and the humidity drops to 67%. For more details, check out Juchitan de Zaragoza weather in April.

September and May showcase distinct weather patterns. In September, temperatures range from a minimum of 23°C (73°F) to a maximum of 38°C (100°F), with an average of 28°C (83°F). The month experiences significant rainfall, totaling 170 mm (6.7 in) over 18 days, contributing to a high humidity level of 84%. In contrast, May presents slightly cooler temperatures, with a minimum of 21°C (70°F) and a maximum of 40°C (105°F), while averaging at 29°C (85°F). Precipitation is much lower in May, at 53 mm (2.1 in) over just 11 days, leading to lower humidity at 72%. Thus, while both months are warm, May tends to be drier and slightly hotter than September. For a detailed look at the weather in May, you can visit Juchitan de Zaragoza weather in May.

In comparing the weather of September and June, both months exhibit warm temperatures, with average highs hovering around 28°C (83°F) and maximums reaching up to 38°C (100°F in September and 101°F in June). However, September tends to be slightly more humid, with an average humidity level of 84%, compared to June's 73%. Precipitation is notably higher in June, totaling 239 mm (9.4 in) over 20 days, compared to September's 170 mm (6.7 in) spread over 18 days. This indicates that June is generally wetter, which may result in a more refreshing atmosphere despite the warmth. For more detailed information, you can check Juchitan de Zaragoza weather in June.

In comparing the weather of September and July, both months exhibit warm temperatures, with September having a minimum of 23°C (73°F) and an average of 28°C (83°F), while July slightly edges higher with an average of 29°C (85°F) and a maximum of 40°C (105°F). Notably, September experiences significantly higher precipitation, with 170 mm (6.7 in) over 18 days, compared to July's 69 mm (2.7 in) over just 11 days. Humidity is also higher in September at 84%, compared to 76% in July, which contributes to a more humid and potentially uncomfortable atmosphere during that month. For more details on July's climate, you can refer to Juchitan de Zaragoza weather in July.

In comparing the weather conditions of August and September, both months experience relatively high temperatures, with September showing a slight cooling down with average temperatures of 28°C (83°F) compared to August's 29°C (84°F). While the maximum temperature in August peaks at 39°C (102°F), September's max reaches 38°C (100°F), indicating a marginal decrease in extreme heat. Precipitation is fairly consistent, with September receiving 170 mm over 18 days and August slightly less at 164 mm over 17 days. Additionally, humidity levels are higher in September at 84% compared to August's 80%, making the latter a bit more comfortable. For a detailed look at August weather patterns, check out Juchitan de Zaragoza weather in August.

September and October weather share some similarities, but there are notable differences. Both months experience high average temperatures around 28°C (82-83°F) and peak temperatures that can reach up to 38°C (100-101°F). However, September is generally wetter, with 170 mm (6.7 in) of precipitation over 18 days, while October sees a decrease in rainfall to 117 mm (4.6 in) across just 11 days. Additionally, October has slightly cooler minimum temperatures at 21°C (70°F) compared to September's 23°C (73°F). Humidity also rises in October to 89%, creating a more humid atmosphere than September's 84%. For more detailed information on the weather in October, check out Juchitan de Zaragoza weather in October.

In September, the weather is significantly warmer, with temperatures ranging from a minimum of 23°C (73°F) to a scorching maximum of 38°C (100°F), accompanied by high humidity at 84%. This month sees frequent rainfall, with precipitation totaling 170 mm (6.7 in) over 18 days. In contrast, November ushers in cooler temperatures, with a minimum of 16°C (61°F) and an average of 26°C (79°F), while still approaching a maximum of 37°C (98°F). Notably, November is considerably drier, experiencing only 10 mm (0.4 in) of rainfall over just 2 days and slightly higher humidity at 88%. For more details on this month's weather, visit Juchitan de Zaragoza weather in November.

The weather in September is characterized by significantly higher temperatures and humidity compared to December. With average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 38°C (100°F), September also experiences considerable rainfall, totaling 170 mm (6.7 in) over 18 days. In contrast, December boasts milder temperatures, with minimums at 16°C (60°F) and a maximum of 36°C (97°F), and a drastically reduced precipitation of only 8 mm (0.3 in) over just 2 days. The humidity remains relatively high in both months, but September's 84% is slightly lower than December's 88%. For more detailed information on what to expect, you can check Juchitan de Zaragoza weather in December.

Compare Juchitan de Zaragoza's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Juchitan de Zaragoza

In September, Juchitan de Zaragoza experiences a distinct shift in weather, characterized by higher humidity and increased rainfall, making it one of the wettest months of the year. While temperatures can soar, often hitting maximums of 38°C, the average remains a comfortable 28°C, providing a noticeable warmth despite the frequent downpours. Visitors can expect a vibrant, lush landscape emerging from the rain, yet should be prepared for the 84% humidity and approximately 18 rainy days that define this period. For more insights into Juchitan's weather patterns year-round, check out the detailed guide on Juchitan de Zaragoza Climate.