September Weather in Quintana Roo, Mexico

Last updated: April 22, 2025

In September, Quintana Roo, Mexico experiences warm temperatures, with a maximum of 32°C (89°F) and an average of 24°C (75°F). As tropical storms loom, the region also sees significant rainfall, accumulating to 219 mm (8.6 in) over 26 days. This month is characterized by high humidity, averaging around 87%, creating a sultry atmosphere perfect for beachgoers, albeit with a chance of rain. Visitors should prepare for a mix of sun and showers while enjoying the vibrant coastal scenery.

September Temperature in Quintana Roo

In September, Quintana Roo, Mexico, offers a delightful blend of warm temperatures and mild evenings, with minimums hovering around 18°C (64°F) and daytime highs reaching up to 32°C (89°F). As the humid summer gives way to the refreshing autumn breeze, the average temperature settles at a comfortable 24°C (75°F), providing the perfect backdrop for beach activities and outdoor exploration. This month maintains a consistent warmth similar to the preceding summer months of August and July, which is ideal for those looking to savor the lingering sunshine before the cooler autumn temperatures start to roll in. Overall, September's climate reflects a seamless transition, keeping the region vibrant and inviting.

September Weather in Quintana Roo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Quintana Roo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec677072757775757575737068
Data source: Temperature data for Quintana Roo generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Quintana Roo

In September, Quintana Roo experiences a significant spike in precipitation, with 219 mm (8.6 in) falling over 26 days—similar to the preceding month, but with slightly more intensity. This period marks the tail end of the rainy season, as the lush landscapes are nourished by the frequent showers. The wettest months generally occur from June to September, showcasing how summer brings both heat and abundant rainfall to the region. The gradual rise in precipitation from the start of the year culminates in September, emphasizing the trend of increasing moisture in late summer. As the rainy season begins to wind down, the vibrant greenery of Quintana Roo is a testament to this rich hydration, creating a picturesque backdrop for visitors and locals alike.

September Precipitation Trends in Quintana Roo

The chart displays monthly precipitation patterns in Quintana Roo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec117821992211361882191552414
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Quintana Roo

As summer transitions into fall, September in Quintana Roo, Mexico, remains marked by high humidity levels, hovering at an average of 87%. This is on par with August, which also experiences elevated moisture, indicating a climactic end to the humid season. Following the drier months of April and March, where humidity dips to 59% and 66% respectively, the region gradually witnesses a rise, culminating in the sultry experiences of late summer. The consistency of high humidity, with October and November also maintaining 88% levels, emphasizes the tropical nature of Quintana Roo, making it essential for visitors to prepare for the humid embrace of this beautiful coastal destination.

September Average Humidity in Quintana Roo

This chart illustrates the average monthly humidity levels in Quintana Roo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%66%59%64%69%82%87%87%88%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Quintana Roo

In September, Quintana Roo experiences an extreme UV Index of 14, continuing the trend of heightened sun exposure seen throughout the summer months. This means that sunburn can occur in as little as 10 minutes, prompting both locals and visitors to take necessary precautions against harmful UV radiation. As the rainy season approaches, it's crucial to remain vigilant under the sun, especially given the consistent UV levels from April through September, where the index repeatedly hits 14. Travelers should stay informed and foster safe sun practices to enjoy the beautiful beaches while minimizing their risk. For more details on UV exposure levels year-round, check out the Quintana Roo UV Index.

Maximum UV Index Levels in Quintana Roo for September

The chart shows the monthly maximum UV Index (UVI) for Quintana Roo 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.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414131413109
Data source: Quintana Roo 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 Quintana Roo

As the summer months wind down, September in Quintana Roo, Mexico offers a delightful balance of sunshine, boasting an impressive 275 hours of bright light. This month continues to showcase the region's trend of abundant sunlight, following the peak of 315 hours in March and averaging well over 250 hours from June to August. With the sun shining brightly, September provides a perfect backdrop for those looking to enjoy outdoor adventures and the captivating beauty of Mexico's Caribbean coast, while still enjoying slightly cooler, more pleasant temperatures in preparation for the autumn months ahead. The sunny skies of September are just a prelude to the sunny serenity that visitors can expect leading into the vibrant fall season.

Monthly Sunshine Duration in Quintana Roo: September Highlighted

The September sunshine duration represents the total number of hours Quintana Roo 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.
JanFebMarAprMayJunJulAugSepOctNovDec238h274h315h310h312h260h305h289h275h280h287h296h
Data source: Quintana Roo September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Quintana Roo During September

September in Quintana Roo, Mexico, brings a notably low chance of sunny weather, with only an 11% likelihood of clear skies. Following the high percentages seen earlier in the year, such as 58% in February and 54% in March, the trend sharply declines as the summer months begin, reaching a low during September. This decline suggests that as the region transitions from the hot summer to the cooler autumn months, the weather becomes increasingly prone to clouds and rain. As October rolls in, there's a slight uptick to 27%, but travelers should be prepared for the possibility of overcast days during September.

Percentage of Sunny Days in September in Quintana Roo

The chart illustrates the percentage of sunny days in Quintana Roo 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 Quintana Roo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%58%54%46%24%11%15%13%11%27%29%46%
Data source: Quintana Roo September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Quintana Roo in September

In Quintana Roo, Mexico, the daylight duration follows a captivating rhythm throughout the year, peaking in the summer months. In September, the region enjoys a pleasant 12 hours of daylight, consistent with the preceding months of July and August, reflecting a stable pattern that favors extended outdoor adventures. As the year progresses, daylight gradually recedes, dropping to 11 hours in October, signaling the onset of shorter days. This trend illustrates a beautiful ebb and flow of sunlight, enriching the vibrant landscapes of Quintana Roo while inviting visitors to bask in its warm glow during both the sun-drenched summer and the transitioning autumn.

Average Daylight Hours in Quintana Roo for September

The chart illustrates the variation in daylight duration in Quintana Roo 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 4m12h 58m12h 38m12h 11m11h 44m11h 20m11h 9m
Data source: Quintana Roo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Quintana Roo

September in Quintana Roo, Mexico, marks a subtle transition in wind patterns as summer wanes. With an average wind speed of 1.8 m/s (4 mph), the breeze is gentle compared to the stronger currents seen in the earlier months. This calmness follows a notable dip over the summer, where June and August recorded their lightest winds, underscoring the tropical heat settling in. As September progresses, the winds begin to pick up slightly, hinting at the more invigorating currents that October typically brings. Overall, this month serves as a gentle interlude before the winds regain their momentum, setting the stage for the lively energy that characterizes the fall months in this stunning coastal paradise.

Average September Wind Speed in Quintana Roo

The chart displays monthly wind speed patterns in Quintana Roo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.13.43.22.41.52.11.71.8 m/s2.33.62.6
Data source: Quintana Roo September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Quintana Roo Compares to Other Months

The weather in Quintana Roo 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 Quintana Roo and find detailed weather information for every month.

In September, the weather is characterized by warm temperatures, with minimums around 18°C (64°F) and highs reaching up to 32°C (89°F). This month experiences significant rainfall, with 219 mm (8.6 in) over 26 days, resulting in high humidity levels at 87%. In contrast, January features cooler temperatures, with a minimum of 9°C (49°F) and an average of 20°C (68°F), while still reaching highs of 32°C (89°F). Much drier than September, January typically sees only 11 mm (0.4 in) of precipitation over just 3 days and slightly lower humidity at 83%. For more detailed information, you can check Quintana Roo weather in January.

In comparing the weather of September and February, a noticeable contrast emerges. September experiences warmer temperatures, with a minimum of 18°C (64°F) and an average of 24°C (75°F), while February is cooler, starting at a minimum of 11°C (51°F) and averaging around 21°C (70°F). Both months share a maximum temperature of 32°C (89°F in September and 91°F in February), but February is significantly drier, recording only 7 mm (0.3 in) of precipitation over just 2 days compared to September's 219 mm (8.6 in) across 26 days. Additionally, humidity levels are higher in September at 87%, while February maintains a more comfortable 76%. For more details on February weather, visit Quintana Roo weather in February.

In September, the weather tends to be warmer and more humid, with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 32°C (89°F) and a high humidity level of 87%. Additionally, September experiences significant rainfall, with approximately 219 mm (8.6 in) of precipitation over 26 days. In contrast, March offers a more moderate climate, featuring temperatures that range from a minimum of 12°C (55°F) to a maximum of 34°C (93°F). Precipitation is minimal in March, averaging only 8 mm (0.3 in) over just 2 days, and humidity levels drop to about 66%. For a detailed overview of the weather in March, visit Quintana Roo weather in March.

September and April present contrasting weather patterns. In September, temperatures range from a minimum of 18°C (64°F) to a maximum of 32°C (89°F), with an average of 24°C (75°F). This month experiences significant precipitation, totaling 219 mm (8.6 in) over 26 days, and high humidity at 87%. In contrast, April offers a warmer temperature range with a minimum of 13°C (57°F) and a maximum of 35°C (96°F), while the average stays close to 24°C (76°F). Notably, April is much drier, with only 21 mm (0.8 in) of rain falling over 5 days and a humidity level of 59%. This makes April a drier and generally warmer month compared to the wet and humid conditions of September. For more details, check Quintana Roo weather in April.

When comparing the weather in September and May, notable differences emerge. September generally experiences slightly warmer nights with minimum temperatures around 18°C (64°F), while May starts even cooler at 15°C (60°F). Daytime averages in both months are close, with September averaging 24°C (75°F) and May slightly higher at 25°C (77°F). However, May boasts hotter days with maximum temperatures reaching up to 34°C (94°F), compared to September's 32°C (89°F). Precipitation levels illustrate a stark contrast; September sees significant rainfall with 219 mm (8.6 in) over 26 days, compared to May’s much lighter 99 mm (3.9 in) across 18 days. Additionally, September's humidity is notably higher at 87%, while May's more comfortable levels hover around 64%. For more insights into the climate during this period, check out Quintana Roo weather in May.

In comparing the weather of September and June, both months feature similar temperature ranges, with minimum temperatures around 18°C (64-65°F) and average highs reaching 32°C (89-90°F). However, September tends to be more humid, with an average humidity level of 87%, compared to June's 69%. Precipitation levels are also slightly different; September sees a total of 219 mm (8.6 in) of rain across 26 days, while June has slightly more at 221 mm (8.7 in) over the same number of days. For a more detailed look at weather specifics for June, visit Quintana Roo weather in June.

When comparing the weather in September and July, both months display similar minimum temperatures, with September averaging around 24°C (75°F), just slightly lower than July's average of 24°C (76°F). However, July tends to be slightly warmer with a maximum temperature of 33°C (91°F), compared to September's maximum of 32°C (89°F). In terms of precipitation, September is notably wetter, receiving 219 mm (8.6 in) over 26 days, while July has only 136 mm (5.3 in) across 22 days. Additionally, September's humidity is higher at 87%, compared to July's 82%. For more details on July's weather, visit Quintana Roo weather in July.

In comparing the weather between September and August, both months showcase similar temperature ranges, with minimum temperatures around 18°C (64°F), average temperatures of 24°C (75°F), and maximums reaching up to 32°C (89°F in September and 90°F in August). However, September experiences a higher total precipitation of 219 mm (8.6 in) over 26 days, compared to August's 188 mm (7.4 in) across 24 days. Humidity levels remain constant at a high 87% for both months, contributing to a generally humid atmosphere. For more specifics on August weather, check out Quintana Roo weather in August.

In comparing the weather between September and October, there are some noticeable differences, although both months remain relatively warm and humid. September typically sees a higher average temperature of 24°C (75°F), with maximums reaching up to 32°C (89°F). In contrast, October experiences slightly cooler temperatures, with an average of 23°C (73°F) and maximums of 31°C (88°F). Precipitation also decreases from 219 mm (8.6 in) over 26 days in September to 155 mm (6.1 in) across 22 days in October, contributing to a marginally drier climate as autumn sets in. Humidity remains high in both months, with October maintaining a level of 88%. For more details on the climate specifics, you can check Quintana Roo weather in October.

In September, the weather tends to be warmer with average temperatures around 24°C (75°F) and maximum highs reaching up to 32°C (89°F), while the month is characterized by significant rainfall, totaling 219 mm over 26 days and a high humidity level of 87%. In contrast, November brings cooler conditions, with average temperatures dropping to 21°C (70°F) and minimums of 12°C (54°F). Additionally, November experiences far less rainfall, totaling only 24 mm over 8 days, while humidity remains slightly elevated at 88%. For more detailed information about the weather patterns in November, visit Quintana Roo weather in November.

In September, the weather is generally warmer, with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 32°C (89°F), accompanied by high humidity at 87%. It is also a wetter month, experiencing significant precipitation of 219 mm (8.6 in) over 26 days. In contrast, December sees cooler conditions, with temperatures dropping to a minimum of 9°C (49°F) and an average of 20°C (68°F), while still peaking at 31°C (87°F). Interestingly, December is much drier, with only 14 mm (0.6 in) of rainfall spread over just 3 days, and humidity levels remain relatively high at 88%. For more information on the weather in December, visit Quintana Roo weather in December.

Compare Quintana Roo's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Quintana Roo

September in Quintana Roo is characterized by its warm temperatures and significantly higher humidity, creating a tropical atmosphere that sets it apart from other months. While maximum temperatures hover around a comfortable 32°C, the month experiences the highest rainfall of the year, with 219 mm spread across 26 days. This increase in precipitation results in lush landscapes and vibrant vegetation, but it also means visitors should be prepared for frequent showers. If you're considering a trip during this time, it’s essential to embrace the unique weather dynamics that make September a distinctive month in Quintana Roo's climate. For more insights, check out the detailed Quintana Roo Climate.