September Weather in Juchitan, Mexico

Last updated: April 22, 2025

In Juchitan, Mexico, September weather is characterized by warm temperatures and considerable rainfall. With a maximum temperature reaching 31°C (88°F) and an average of 27°C (81°F), the climate remains tropical, yet inviting. Minimum temperatures hover around 24°C (76°F), providing a comfortable atmosphere for outdoor activities, albeit with high humidity levels at 82%. This month sees significant precipitation, amounting to 352 mm (13.8 in) over 24 days, highlighting the likelihood of rain and the lush, vibrant environment it sustains. Whether you're a local or a visitor, September's weather in Juchitan offers a unique blend of warmth and moisture, perfect for embracing the region's natural beauty.

September Temperature in Juchitan

In September, Juchitan, Mexico, experiences warm and inviting temperatures that reflect the tail end of summer. With minimums around 24°C (76°F) and average temperatures lingering at 27°C (81°F), the climate remains consistently pleasant. The days peak at a comfortable 31°C (88°F), mirroring the patterns established in August and hinting at the gradual transition toward fall. Notably, September maintains a steady warmth, similar to its predecessor months, allowing residents and visitors alike to enjoy outdoor activities before the cooler October air sets in. This consistency in temperatures establishes September as an ideal time for exploring the vibrant culture and stunning landscapes of Juchitan.

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

The chart illustrates September temperature patterns in Juchitan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec797980808281828181818180
Data source: Temperature data for Juchitan 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

September in Juchitan, Mexico, marks the apex of the rainy season, showcasing an impressive 352 mm (13.8 in) of precipitation over 24 days. This significant downpour continues the trend established in the preceding months, where June, July, and August also recorded high levels of rainfall, with June alone contributing 284 mm (11.2 in). The pattern indicates a gradual escalation in precipitation from May's mere 25 mm (1.0 in), culminating in September's monsoon-like atmosphere, which plays a vital role in the region’s ecosystem. As the month progresses, the frequency and intensity of rain not only support local agriculture but also dramatically shape the landscape, creating a vibrant and lush environment.

September Precipitation Trends in Juchitan

The chart displays monthly precipitation patterns in Juchitan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2100252851462563522222930
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Juchitan

As September settles in Juchitan, humidity reaches a peak of 82%, mirroring the trends established in August. This elevation signifies a continuation of the region's warm, tropical climate, where the humid months ramp up from the early summer levels of 78% in June and 79% in July. Following September, a gradual decline begins, with October seeing a slight drop to 79%, hinting at the onset of the drier months. Overall, the late summer and early autumn months are characterized by a notable increase in humidity, presenting a lush and invigorating atmosphere that defines this vibrant region.

September Average Humidity in Juchitan

This chart illustrates the average monthly humidity levels in Juchitan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%59%62%73%78%79%82%82%79%72%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Juchitan

In September, Juchitan, Mexico, experiences a UV Index of 13, categorizing it as extreme with a burn time of just 10 minutes. This trend of soaring UV levels is consistent with the preceding months, highlighting a peak in sun exposure during spring and summer. As the region transitions into fall, the UV Index remains notably high, reinforcing the need for sun protection. October follows closely with an equally extreme UV Index of 11, but it's worth noting that both November and December will see a decline as they shift back to a very high exposure category. For more insights on UV levels throughout the year, check out Juchitan UV Index.

Maximum UV Index Levels in Juchitan for September

The chart shows the monthly maximum UV Index (UVI) for Juchitan 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.
JanFebMarAprMayJunJulAugSepOctNovDec1011131314141313131198
Data source: Juchitan 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

As September unfolds in Juchitan, Mexico, it graces the landscape with 270 hours of sunshine, marking a gentle transition from the peak summer warmth. This month, while slightly lower in daylight than its vibrant predecessors—May and June, which boast over 330 hours—still holds onto the golden rays that characterize this region. The gradual decline in sunshine hours from the summer months suggests an impending shift towards autumn, yet September remains a bright reminder of summer's lingering presence. Looking ahead, October's forecast of 282 hours hints at a rejuvenated canvas of sunlight, preserving the region's allure as it navigates into the cooler months. As the seasons change, Juchitan continues to bask in the warmth of its generous sun, making it a perfect time to explore its vibrant culture and breathtaking landscapes.

Monthly Sunshine Duration in Juchitan: September Highlighted

The September sunshine duration represents the total number of hours Juchitan 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.
JanFebMarAprMayJunJulAugSepOctNovDec245h282h322h321h332h281h318h289h270h282h298h300h
Data source: Juchitan September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Juchitan During September

In Juchitan, Mexico, September marks the end of a notably sunny season, with the likelihood of bright skies plummeting to a mere 11%. This trend reflects a sharp decline from the sunnier months preceding it, such as February, which showcases an impressive 88% chance of sunshine. As summer fades, the city's weather transitions into a rainy season, with June and August also reporting low sunlight probabilities of 13% and 17%, respectively. As autumn approaches, October shows a slight uptick at 37%, but it’s clear that September is best known for its cloudier and more humid conditions, making sunny days a rare treat.

Percentage of Sunny Days in September in Juchitan

The chart illustrates the percentage of sunny days in Juchitan 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 experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%88%79%74%53%13%25%17%11%37%69%88%
Data source: Juchitan September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Juchitan in September

In Juchitan, Mexico, September boasts a daylight duration of 12 hours, aligning with several months that showcase a consistent pattern of daylight. As the year unfolds, daylight gradually increases from 11 hours in January through March to a peak of 13 hours in June. Following this zenith, the trend stabilizes with 12 hours in July and August, before settling back to 11 hours come October. This cyclical dance of light highlights the region's picturesque transition from the longer summer days into the shorter, cozy evenings of autumn, making September a delightful midpoint in Juchitan's annual rhythm of daylight.

Average Daylight Hours in Juchitan for September

The chart illustrates the variation in daylight duration in Juchitan 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 35m12h 2m12h 30m12h 53m13h 5m12h 58m12h 38m12h 11m11h 44m11h 20m11h 8m
Data source: Juchitan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Juchitan

In September, Juchitan, Mexico experiences a gentle lull in wind speeds, averaging only 2.1 m/s (5 mph). This drop marks the seasonal transition as the summer winds begin to recede, following a mild peak in April and May when speeds reached 3.1 m/s (7 mph). The trend shows a gradual increase in wind activity from the calmer winter months, peaking in early summer, before tapering off as the year progresses. Notably, August's winds linger at 2.5 m/s (6 mph), hinting at the tail end of the warmer months and paving the way for the calmer and cooler breezes of autumn. This cyclical shift fosters a unique atmosphere, blending the remnants of summer's warmth with the impending approach of fall.

Average September Wind Speed in Juchitan

The chart displays monthly wind speed patterns in Juchitan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.82.73.13.12.52.22.52.1 m/s2.32.22.5
Data source: Juchitan September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Juchitan Compares to Other Months

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

In September, the weather is quite warm, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F) and an average of 27°C (81°F). However, this month is also characterized by heavy rainfall, receiving an average of 352 mm (13.8 in) of precipitation over 24 days, accompanied by high humidity levels of 82%.

In contrast, January offers a milder climate with temperatures slightly lower, ranging from 21°C (70°F) to 31°C (88°F) and an average of 26°C (80°F). This month experiences minimal precipitation, with only 2 mm (0.1 in) and no rainy days, along with a more comfortable humidity level of 65%. For more details on January weather, you can view Juchitan weather in January.

September and February exhibit notable climatic contrasts. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), with an average of 27°C (81°F). This month is characterized by significant precipitation, totaling 352 mm (13.8 in) over 24 days, contributing to a high humidity level of 82%. In stark contrast, February offers milder weather, with temperatures fluctuating between 20°C (68°F) and 30°C (87°F), and an average of 26°C (79°F). Remarkably, February experiences negligible rainfall, at only 1 mm across 0 days, resulting in a much lower humidity level of 61%. For more detailed insights, check out Juchitan weather in February.

In September, the weather is characterized by warmer temperatures, with a minimum of 24°C (76°F) and an average of 27°C (81°F), peaking at 31°C (88°F). This month experiences a significant amount of rainfall, totaling 352 mm (13.8 in) over 24 days, along with high humidity levels averaging 82%. In contrast, March offers a slightly cooler climate, with a minimum temperature of 22°C (72°F), maintaining the same average of 27°C (80°F) and a maximum of 31°C (87°F). Unlike September, March is dry, with no recorded precipitation and a considerably lower humidity level of 59%. For more detailed information about March weather, you can visit Juchitan weather in March.

September and April present contrasting weather patterns. In September, temperatures range from a minimum of 24°C (76°F) to a maximum of 31°C (88°F), with an average of 27°C (81°F). However, this month is characterized by high humidity at 82% and significant rainfall, accumulating 352 mm (13.8 in) over 24 days. In contrast, April offers similar temperatures, with a minimum of 22°C (72°F) and a maximum of 31°C (87°F), but enjoys much drier conditions, with no recorded precipitation and humidity at a lower 62%. For more detailed information, you can visit Juchitan weather in April.

September and May exhibit similar high temperatures, with both months reaching a maximum of around 31°C (88-89°F). However, September tends to be more humid, averaging 82% compared to May's 73%. The rainfall in September is significantly higher, with an average of 352 mm (13.8 in) spread over 24 days, creating a much wetter atmosphere compared to May's mere 25 mm (1.0 in) over just 5 days. For a closer look at May's climate specifics, you can visit Juchitan weather in May.

In comparing the weather of September and June, both months exhibit a similar range of average temperatures, with September experiencing a minimum of 24°C (76°F) and an average of 27°C (81°F), while June has a comparable minimum of 24°C (76°F) and a slightly higher average of 27°C (82°F). However, June tends to be slightly warmer overall, reaching a maximum of 32°C (90°F) compared to September's maximum of 31°C (88°F). Precipitation is notably heavier in September, with 352 mm (13.8 in) of rain over 24 days, contrasted with June's 284 mm (11.2 in) over 22 days. Additionally, September has a higher humidity level of 82%, compared to June's 78%. For more detailed information, you can refer to Juchitan weather in June.

In comparing the weather of September to July, both months experience similar temperature ranges, with minima around 24°C (75-76°F) and maxima reaching 31°C (88-89°F). However, September tends to be slightly cooler on average at 27°C (81°F) compared to July's 28°C (82°F). A notable difference is in precipitation, with September receiving significantly more rainfall at 352 mm (13.8 in) over 24 days, compared to July's 146 mm (5.8 in) over just 19 days. This increased rainfall in September also contributes to higher humidity levels, averaging 82%, compared to 79% in July. For more detailed information on Juchitan's weather patterns specifically in July, you can visit Juchitan weather in July.

In September, the weather mirrors that of August, with similar minimum temperatures at 24°C (76°F) and average temperatures around 27°C (81°F). However, September experiences slightly more rainfall, totaling 352 mm (13.8 in) over 24 days compared to August's 256 mm (10.1 in) over 23 days. Both months share a humidity level of 82%, but September's increased precipitation might make it feel more intense. For a closer look at August's conditions, you can refer to this link: Juchitan weather in August.

September's weather is characterized by slightly higher humidity and more precipitation compared to October, with an average rainfall of 352 mm over 24 days. In contrast, October experiences a drop in precipitation to 222 mm over 22 days, along with a slight decrease in humidity to 79%. Despite these differences, both months maintain similar temperature ranges, with minimums at 24°C (76°F), averages at 27°C (81°F), and maximums around 31°C (87°F in October and 88°F in September). For a detailed look at October's climate, you can visit Juchitan weather in October.

In comparing the weather of September and November, we find that September tends to be quite humid and wet, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F) and total precipitation reaching 352 mm (13.8 in) across 24 days. In contrast, November offers a much drier experience, with the same average temperature of 27°C (81°F) but significantly reduced rainfall of just 29 mm (1.2 in) over 4 days, and a lower humidity level of 72%. This shift makes November a more pleasant month for outdoor activities. For more details, you can check Juchitan weather in November.

In September, the weather tends to be warm and humid, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 31°C (88°F). The month sees significant precipitation, averaging 352 mm (13.8 in) over 24 days, resulting in a high humidity level of 82%. In contrast, December offers a milder climate, with temperatures dropping slightly to a minimum of 22°C (72°F) and a maximum of 30°C (87°F), and an average temperature of 26°C (80°F). The rainfall is substantially reduced to just 30 mm (1.2 in) over only 1 day, and the humidity decreases to 70%. For more details on the December weather, visit Juchitan weather in December.

Compare Juchitan's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Juchitan

As September unfolds in Juchitan, the weather transforms into a lush tapestry, characterized by high humidity and significant rainfall, marking a distinct departure from the drier months. The temperatures remain warm, hovering around the pleasant averages typical for this time of year. However, the increased precipitation, with nearly every day seeing some drizzle, brings life to the landscape and raises humidity levels to 82%. This wet season contrasts sharply with the drier spell that precedes it, showcasing nature's vibrant rejuvenation. For more detailed insights into the climate patterns throughout the year, visit Juchitan Climate.