September Weather in Acapulco de Juarez, Mexico

Last updated: April 22, 2025

September in Acapulco de Juarez is characterized by warm temperatures and noteworthy rainfall. With a maximum temperature reaching 30°C (86°F) and an average of 28°C (82°F), the coastal city offers a tropical climate ideal for those seeking sun-soaked days. However, visitors should be prepared for frequent rain, as the month sees an impressive 312 mm (12.3 in) of precipitation spread over 20 days. Humidity hovers around a muggy 78%, making it essential to stay hydrated and plan indoor activities during the frequent showers. Whether you're lounging by the beach or exploring the vibrant culture, September's weather in Acapulco presents a unique blend of warmth and wetness.

September Temperature in Acapulco de Juarez

In September, Acapulco de Juarez enjoys warm, tropical temperatures that continue the summer trend, with nighttime lows around 25°C (77°F) and daytime averages climbing to 28°C (82°F). The maximum temperature reaches a comfortable 30°C (86°F), making it an ideal time for beachgoers keen to soak up the sun. This month marks a slight increase in humidity as summer transitions to fall, but the overall warmth remains consistent with previous months. With temperatures remaining steady through October, visitors can expect a lovely blend of sun and sea, perfect for both relaxation and adventure. Enjoying this coastal paradise in September is all about embracing the vibrant heat while unwinding by the ocean's edge.

September Weather in Acapulco de Juarez: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Acapulco de Juarez, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec818080808182838382828281
Data source: Temperature data for Acapulco de Juarez 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 Acapulco de Juarez

September marks a significant peak in precipitation for Acapulco de Juarez, where the city experiences 312 mm (12.3 in) of rain over 20 days, making it one of the wettest months of the year. This torrential downpour follows the already substantial rainfall of August, which recorded 320 mm (12.6 in), highlighting a trend of intense monsoon-like conditions during the late summer months. As the rainy season progresses, both August and September see an increased number of precipitation days, contributing to the lush, vibrant landscape of the region. With October still holding considerable rainfall with 229 mm (9.0 in), it’s clear that this lush, coastal paradise grapples with the heavy showers that nurture its tropical ecosystem.

September Precipitation Trends in Acapulco de Juarez

The chart displays monthly precipitation patterns in Acapulco de Juarez, 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.
JanFebMarAprMayJunJulAugSepOctNovDec210113269963203122293611
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Acapulco de Juarez

As the summer draws to a close, September in Acapulco de Juarez experiences a slight dip in humidity, dropping to 78%. This month sits just below the peak levels reached in August, which boasted a notable 79% humidity. Notably, a clear upward trend is evident as the year progresses; starting from a comparatively lower 66% in January, the humidity steadily climbs, peaking in the height of the rainy season during the summer months. However, as autumn approaches, there is a gradual decline, hinting at the milder, drier days ahead. Overall, September embodies a transitional phase in Acapulco’s weather patterns, maintaining significant humidity while signaling the eventual shift toward more comfortable conditions.

September Average Humidity in Acapulco de Juarez

This chart illustrates the average monthly humidity levels in Acapulco de Juarez, 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.
JanFebMarAprMayJunJulAugSepOctNovDec66%64%63%69%73%76%78%79%78%75%72%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Acapulco de Juarez

In September, Acapulco de Juarez continues to bask in the sun with a UV Index of 13, indicating an extreme exposure category, similar to the preceding summer months. With a burn time of just 10 minutes, this month’s UV levels maintain the high standards set from June through August, showcasing a consistent trend of intense sun exposure. As the year transitions into the cooler months, the UV Index begins to ease downwards in October, but for now, visitors and locals need to remain vigilant with sun protection. For more detailed information on the UV Index throughout the year, check out Acapulco de Juarez UV Index.

Maximum UV Index Levels in Acapulco de Juarez for September

The chart shows the monthly maximum UV Index (UVI) for Acapulco de Juarez 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.
JanFebMarAprMayJunJulAugSepOctNovDec911131313141212131198
Data source: Acapulco de Juarez 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 Acapulco de Juarez

As summer gracefully transitions into fall, September in Acapulco de Juarez, Mexico, boasts an inviting 260 hours of sunshine. While the sun-soaked days slightly wane compared to the peak of May with its dazzling 329 hours, this month still exudes warmth and vitality. Interestingly, September's sunshine follows a trend seen throughout the year: after the summer months, which peak in July with an impressive 310 hours, there's a gradual decline that continues into the autumn. However, September remains a sunny retreat, offering ample opportunities for beach lounging and outdoor adventures, ensuring visitors can still bask in the gentle rays of late summer.

Monthly Sunshine Duration in Acapulco de Juarez: September Highlighted

The September sunshine duration represents the total number of hours Acapulco de Juarez 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.
JanFebMarAprMayJunJulAugSepOctNovDec243h281h320h322h329h270h310h278h260h273h291h298h
Data source: Acapulco de Juarez September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Acapulco de Juarez During September

September in Acapulco de Juarez, Mexico, sees a significant dip in sunny weather, with only a 13% chance of sun. As summer fades, this month stands out in contrast to the brighter days of earlier months like February (89%) and March (75%). Following the peak summer season, where sunny skies are almost a given in the earlier part of the year, September’s cloud cover signals the onset of the rainy season, making it one of the least favorable times for sun-seekers. Travelers looking for guaranteed sunshine might want to consider planning their visit for the drier months that bookend September, such as October (36%) or even November (66%).

Percentage of Sunny Days in September in Acapulco de Juarez

The chart illustrates the percentage of sunny days in Acapulco de Juarez 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 Acapulco de Juarez experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec60%89%75%74%56%15%25%14%13%36%66%86%
Data source: Acapulco de Juarez September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Acapulco de Juarez in September

In September, daylight in Acapulco de Juarez stretches to a comfortable 12 hours, maintaining the trend established in the summer months. Following a gradual increase in daylight from 11 hours in January and February, the duration peaks at 13 hours during June and July, before gently tapering down in August. As autumn approaches, daylight begins to decline steadily, with October and November each offering 11 hours of light. This transition highlights the region's relatively stable daylight pattern throughout the year, allowing residents and visitors alike to enjoy ample sunshine before the shorter days of winter set in.

Average Daylight Hours in Acapulco de Juarez for September

The chart illustrates the variation in daylight duration in Acapulco de Juarez throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 14m11h 35m12h 2m12h 31m12h 54m13h 6m13h12h 39m12h 11m11h 43m11h 19m11h 7m
Data source: Acapulco de Juarez daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Acapulco de Juarez

As September rolls into Acapulco de Juarez, the gentle breezes mark a transition, bringing with them an average wind speed of 2.7 m/s (6 mph). This reveals a slight dip compared to the lively gusts of previous summer months, where August enjoyed a more animated average of 3.7 m/s (8 mph). The overall trend shows that September's winds are among the softest of the year, reminiscent of the calm that follows a bustling beach season. As autumn nears, visitors can appreciate the tranquil atmosphere, perfect for leisurely strolls along the shore, as the winds whisper sweet notes of relaxation amidst the vibrant coastal scenery.

Average September Wind Speed in Acapulco de Juarez

The chart displays monthly wind speed patterns in Acapulco de Juarez, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.63.13.83.53.22.73.72.7 m/s3.22.62.9
Data source: Acapulco de Juarez September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Acapulco de Juarez Compares to Other Months

The weather in Acapulco de Juarez 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 Acapulco de Juarez and find detailed weather information for every month.

September and January present distinct weather patterns. September is characterized by warm temperatures, with a minimum of 25°C (77°F) and an average of 28°C (82°F), peaking at a maximum of 30°C (86°F). However, it is also a notably wet month, with heavy precipitation totaling 312 mm (12.3 in) over about 20 days, leading to a high humidity level of 78%. In contrast, January offers slightly cooler conditions, with temperatures ranging from a minimum of 23°C (74°F) to an average of 27°C (81°F), also reaching a maximum of 30°C (86°F). This month experiences virtually no rainfall, accumulating only 2 mm (0.1 in) throughout the month, resulting in lower humidity at 66%. For more detailed information, you can check out Acapulco de Juarez weather in January.

September and February in Acapulco de Juarez present notably different weather patterns. September is characterized by warmer and more humid conditions, with minimum temperatures around 25°C (77°F) and average highs reaching 30°C (86°F). It is also a very wet month, with significant rainfall totaling 312 mm (12.3 in) across 20 days, contributing to a humidity level of 78%. In contrast, February boasts milder temperatures, with a minimum of 22°C (72°F) and an average high of 30°C (85°F), but experiences almost no rainfall—just 1 mm (0.0 in) over the entire month—resulting in a lower humidity of 64%. For a detailed look at February weather, check out Acapulco de Juarez weather in February.

When comparing the weather in September and March, it’s evident that September is characterized by higher temperatures and significantly more rainfall. In September, the temperatures range from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), with an average of 28°C (82°F) and a staggering 312 mm (12.3 in) of precipitation spread over 20 days, resulting in a humidity level of 78%. In contrast, March sees slightly cooler temperatures, with a minimum of 24°C (75°F) and a maximum of 29°C (85°F), averaging 27°C (80°F). Notably, March is dry, with no recorded precipitation and a lower humidity of 63%. For those looking for a drier experience, Acapulco de Juarez weather in March offers more favorable conditions.

When comparing the weather in September and April, September is notably warmer and much wetter. With average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), and experiencing substantial rainfall of 312 mm (12.3 in) over 20 days, September showcases a high level of humidity at 78%. In contrast, April is slightly cooler, with temperatures averaging from a minimum of 24°C (75°F) to a maximum of 29°C (85°F), and it boasts a much drier climate, receiving only 1 mm (0.0 in) of precipitation over the entire month and no rain days. The humidity in April is also lower at 69%, making for a more comfortable atmosphere. For more details, check Acapulco de Juarez weather in April.

When comparing the weather between September and May, both months feature similar temperature ranges, with minimums of 25°C (77°F) and maximums reaching 30°C (86°F). However, September is significantly wetter, experiencing an average precipitation of 312 mm (12.3 in) over 20 days, leading to higher humidity at 78%. In contrast, May offers a much drier climate, with only 12 mm (0.5 in) of rain over just 2 days and slightly lower humidity at 73%. For more detailed insights on May weather, you can check this link: Acapulco de Juarez weather in May.

When comparing the weather in September and June, both months feature similar average temperatures, around 28°C (82°F), but September tends to have slightly higher maximum temperatures, reaching up to 30°C (86°F). June, on the other hand, can peak at 31°C (89°F). Rainfall is more pronounced in September, with 312 mm (12.3 in) of precipitation over 20 days, compared to June's 269 mm (10.6 in) over 18 days. Additionally, humidity levels are marginally higher in September at 78%, compared to June's 76%. For a detailed look at June's weather, you can visit Acapulco de Juarez weather in June.

In comparing the weather of September and July, we find that both months have similar temperature ranges, with minimum temperatures consistently at 25°C (77°F) and average temperatures slightly higher in July at 28°C (84°F) compared to September's 28°C (82°F). However, July sees a maximum temperature of 31°C (88°F), slightly warmer than September's 30°C (86°F). A significant difference lies in the precipitation, where September experiences a much higher rainfall of 312 mm (12.3 in) over 20 days, while July receives only 96 mm (3.8 in) across 13 days, indicating a far drier climate in July. Both months maintain a similar humidity level at 78%, but the higher precipitation in September suggests a more overcast and wetter feel compared to the sunnier July. For more details, you can check Acapulco de Juarez weather in July.

When comparing the weather in September to August, we see that both months experience similar temperature ranges, with September having a minimum of 25°C (77°F) and an average of 28°C (82°F), while August's averages slightly higher, maxing out at 31°C (88°F). Precipitation levels are fairly close, with September receiving 312 mm (12.3 inches) over 20 days and August recording 320 mm (12.6 inches) across 19 days. Humidity levels remain relatively constant, with September at 78% compared to August’s 79%. For a detailed look at August weather conditions, you can visit Acapulco de Juarez weather in August.

In September, the weather remains quite humid with temperatures consistently reaching a minimum of 25°C (77°F), an average of 28°C (82°F), and a maximum of 30°C (86°F). However, it experiences higher precipitation levels, totaling 312 mm (12.3 in) over 20 days, contributing to a higher humidity of 78%. In contrast, October mirrors September in terms of temperature, maintaining the same minimum, average, and maximum temperatures. However, October sees a reduction in rainfall, with only 229 mm (9.0 in) over the same number of days, resulting in slightly lower humidity at 75%. For more specific information, you can refer to the Acapulco de Juarez weather in October.

September weather tends to be warmer and wetter compared to November. With temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F), September experiences an average temperature of 28°C (82°F) alongside significant precipitation of 312 mm (12.3 in) over 20 days, contributing to a high humidity level of 78%. In contrast, November showcases slightly cooler conditions, with temperatures also peaking at 30°C (87°F) but featuring a lower minimum of 24°C (75°F). Additionally, November boasts much drier weather, receiving only 36 mm (1.4 in) of rainfall over just 5 days and a reduced humidity of 72%. For more details on November weather specifics, visit Acapulco de Juarez weather in November.

In September, the weather in Acapulco de Juarez is characterized by high humidity and significant rainfall, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (86°F). The month sees an average temperature of 28°C (82°F) and experiences approximately 312 mm (12.3 in) of precipitation over 20 days. In contrast, December offers a more stable climate with lower humidity levels at 70%. The temperatures remain similar, with a minimum of 24°C (76°F) and an average of 27°C (81°F), but notably, it receives only 11 mm (0.4 in) of rain and features zero rainy days. For more detailed information, you can check Acapulco de Juarez weather in December.

Compare Acapulco de Juarez's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Acapulco de Juarez

As September unfolds in Acapulco de Juarez, the weather showcases a shift marked by higher humidity and increased rainfall compared to other months. The air feels distinctly warmer, enveloping visitors in a tropical embrace, while the frequent showers add a refreshing touch to the atmosphere. This month typically sees around 20 days of precipitation, creating a vibrant landscape and lush surroundings. Although temperatures remain warm, the mix of sun and rain is characteristic of September, setting it apart from the drier, hotter peak months. For those looking to understand more about Acapulco's diverse weather patterns, explore the in-depth information available at Acapulco de Juarez Climate.