September Weather in Morelos, Mexico

Last updated: April 22, 2025

In Morelos, Mexico, September weather presents a warm, tropical climate characterized by a maximum temperature reaching 34°C (94°F) and an average of 26°C (80°F). As the month progresses, temperatures cool to a minimum of 21°C (70°F), creating a comfortable evening atmosphere. However, this month is also marked by significant rainfall, with a total precipitation of 286 mm (11.3 in) occurring over 26 days, leading to high humidity levels averaging around 86%. Visitors should be prepared for both sunny intervals and frequent showers, making it a unique time to experience the lush landscapes of Morelos.

September Temperature in Morelos

In September, temperatures in Morelos, Mexico maintain a warm and inviting atmosphere, with minimums around 21°C (70°F) and an average close to 26°C (80°F). As the summer edges into autumn, the maximums peak at 34°C (94°F), mirroring the sultry vibes of the preceding months. This period illustrates a slight cooling trend from the sweltering summer, yet still offers plenty of sunshine and warmth, perfect for outdoor activities and enjoying the vibrant culture. With the changing season, the evenings become refreshingly pleasant, encouraging a blend of leisurely pursuits under the stars.

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

The chart illustrates September temperature patterns in Morelos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec707375798281808080787471
Data source: Temperature data for Morelos 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 Morelos

September marks a peak in precipitation for Morelos, Mexico, with an impressive 286 mm (11.3 in) of rainfall, making it the wettest month of the year. This surge is part of a broader trend, as the region experiences a significant increase in rainfall beginning in June, culminating in the fall season. With 26 days of rain in September alone, the month mirrors the preceding rainy season while contributing to the lush greenery that defines this vibrant locale. Following September, the rain begins to recede, yet the pronounced wet period stands out distinctly, enhancing both the landscape and the agricultural vitality of the region.

September Precipitation Trends in Morelos

The chart displays monthly precipitation patterns in Morelos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec765637376326418423328626715571
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Morelos

September in Morelos, Mexico, experiences a notable shift in humidity, with levels rising to 86%. This slight increase from August's 82% marks a transitional phase as the region heads into the wetter months. Throughout the year, humidity trends reveal a gradual increase from a low of 81% in the warmer months of April to July, culminating in a peak of 91% during the late fall and winter. The interplay between seasonal changes and humidity illustrates Morelos' lush climate, inviting visitors to enjoy the vibrant landscapes while embracing the warm, moist air that envelops the region.

September Average Humidity in Morelos

This chart illustrates the average monthly humidity levels in Morelos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec88%86%84%81%82%81%81%82%86%90%91%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Morelos

In September, Morelos, Mexico, continues to experience an extreme UV Index of 13, maintaining a pattern established throughout the summer months. This trend underscores a critical need for sun protection, as the burn time remains alarmingly short at just 10 minutes. Following the peak UV levels in June and July, September’s UV conditions remind us that the sun's intensity can still pose a significant risk even as the season transitions. As we head towards the fall, it's important to stay vigilant and informed about the UV Index. For more details, be sure to check out Morelos UV Index.

Maximum UV Index Levels in Morelos for September

The chart shows the monthly maximum UV Index (UVI) for Morelos 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.
JanFebMarAprMayJunJulAugSepOctNovDec911121313141413131198
Data source: Morelos 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 Morelos

September brings a delightful continuation of Morelos, Mexico's sunny disposition, with 282 hours of vibrant sunshine enveloping the region. This month maintains a robust warmth that follows a thriving summer, where May enjoys the peak with 328 hours. As the year transitions into autumn, the sunlight gradually diminishes, yet September still shines brighter than the early winter months, proving it's a favored time for travelers seeking a blend of warmth and the beautiful landscapes of Morelos. With the sun illuminating the natural beauty of this scenic destination, September remains an inviting choice just before the cooler months set in.

Monthly Sunshine Duration in Morelos: September Highlighted

The September sunshine duration represents the total number of hours Morelos 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.
JanFebMarAprMayJunJulAugSepOctNovDec191h237h300h307h328h281h309h305h282h269h263h256h
Data source: Morelos September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Morelos During September

In Morelos, Mexico, the likelihood of sunny weather in September is notably low, with only a 16% chance of sunshine. This month marks a significant dip in sunshine compared to the drier months earlier in the year, such as March and April, which boast chances of 63% and 58% respectively. Following the peak sunlight of early spring, June brings a stark decline with just 13%, and the trend of low sunny days continues into September. As the rainy season progresses, many locals and visitors alike may want to prepare for cloudier skies and the possibility of showers rather than basking in vibrant sunshine.

Percentage of Sunny Days in September in Morelos

The chart illustrates the percentage of sunny days in Morelos 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 Morelos experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%54%63%58%39%13%28%25%16%30%42%54%
Data source: Morelos September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Morelos in September

In Morelos, Mexico, September marks a transition into autumn, with daylight lasting around 12 hours. This month reflects a consistent trend seen in the preceding summer months, where daylight reaches its peak at 13 hours in June and July. Following this slight decline, September retains a balance, hinting at the gradual shift towards shorter days as the year progresses. As daylight hours decrease in October, the patterns of light and darkness in Morelos throughout the year create a rhythmic cycle, inviting residents and visitors alike to enjoy the lush landscapes and vibrant culture illuminated by the soft glow of evening light.

Average Daylight Hours in Morelos for September

The chart illustrates the variation in daylight duration in Morelos throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 9m11h 32m12h 2m12h 33m12h 59m13h 11m13h 4m12h 42m12h 12m11h 41m11h 15m11h 2m
Data source: Morelos daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Morelos

In September, Morelos enjoys a gentle breeze with an average wind speed of 1.9 m/s (4 mph), signaling a transition from the more humid summer months. This slight uptick from the stiller summer winds hints at the approach of autumn, as conditions begin to shift. Notably, September's wind speeds maintain an upward trend from the lows of 1.7 m/s seen in July and August. Over the year, the monthly averages showcase a gradual increase from the calmer winter months, peaking in the late spring, before gently settling back as the year unfolds. This rhythmic cycle of wind not only enhances the climate of Morelos but also sets a refreshing tone for those exploring the region during this beautiful month.

Average September Wind Speed in Morelos

The chart displays monthly wind speed patterns in Morelos, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.32.72.82.41.71.71.71.9 m/s2.01.91.9
Data source: Morelos September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Morelos Compares to Other Months

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

September and January present distinct weather profiles, reflecting a change of seasons. In September, temperatures range from a minimum of 21°C (70°F) to a high of 34°C (94°F), with an average of 26°C (80°F). This month is characterized by significant rainfall, totaling 286 mm (11.3 in) across 26 days, contributing to an humidity level of 86%. In contrast, January experiences cooler conditions, with temperatures dipping to a minimum of 13°C (55°F) and reaching a maximum of 33°C (91°F), averaging at 21°C (71°F). Precipitation in January is much lower, at 76 mm (3.0 in) over 14 days, while humidity slightly increases to 88%. For a more detailed overview, you can visit Morelos weather in January.

In September, the weather is noticeably warmer with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 34°C (94°F) and an average of 26°C (80°F). The month is characterized by high precipitation, with 286 mm (11.3 in) falling over 26 days, creating a humid atmosphere at 86% humidity. In contrast, February experiences cooler temperatures, with a minimum of 13°C (55°F), an average of 23°C (73°F), and a maximum of 33°C (92°F). Precipitation is significantly lower at 56 mm (2.2 in) over just 10 days, while humidity remains consistent at 86%. This makes February a much drier and more temperate month compared to the humid and rainy September. For more details, you can check Morelos weather in February.

September weather is characterized by much warmer temperatures, with a minimum of 21°C (70°F) and average highs reaching 34°C (94°F). The month is marked by significant rainfall, accumulating 286 mm (11.3 in) over 26 days and maintaining high humidity levels at 86%. In contrast, March experiences cooler temperatures, with a minimum of 13°C (56°F) and an average high of 36°C (97°F), though it has much less precipitation at 37 mm (1.4 in) over just 9 days and slightly lower humidity at 84%. For more insights into March weather, you can visit Morelos weather in March.

In comparing the weather of September and April, both months feature an average temperature of 26°C (80°F), but they present different characteristics. September experiences higher humidity at 86% and significantly more rainfall, with a total of 286 mm (11.3 in) falling over 26 days. In contrast, April boasts warmer maximum temperatures, reaching up to 37°C (99°F), while showcasing much lower precipitation, totaling only 37 mm (1.4 in) across 8 days. Thus, April tends to be drier and hotter compared to the wetter and more humid conditions of September. For more detailed information on April conditions, visit Morelos weather in April.

When comparing the weather conditions of September and May, noticeable differences emerge. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 34°C (94°F), with an average of 26°C (80°F). The month is characterized by high humidity at 86% and significant rainfall, receiving 286 mm (11.3 in) spread over 26 days. In contrast, May experiences slightly cooler nights, with a minimum temperature of 18°C (64°F), but can soar to a sweltering maximum of 37°C (99°F) and an average of 28°C (83°F). Precipitation in May is significantly lower at 63 mm (2.5 in), occurring over just 12 days, and humidity stands at a slightly lower 82%. For more detailed information, you can check Morelos weather in May.

In comparing the weather of September and June, both months experience warm temperatures, with September averaging 26°C (80°F) and June slightly warmer at 27°C (81°F). However, June can reach higher maximum temperatures of 36°C (98°F) compared to September's maximum of 34°C (94°F). In terms of precipitation, September sees an increase, with 286 mm (11.3 in) over 26 days, while June has 264 mm (10.4 in) across 24 days. Additionally, humidity levels are higher in September at 86% compared to June's 81%. For more specific details on June weather, you can check Morelos weather in June.

In comparing the weather in September and July, we find some interesting similarities and differences. Both months feature a minimum temperature of around 21°C (70°F), with September's average temperature slightly lower at 26°C (80°F), compared to July's 27°C (81°F). Interestingly, both months reach a maximum temperature of 34°C (93-94°F). However, September is notably wetter, receiving 286 mm (11.3 in) of precipitation over 26 days, while July has less rain at 184 mm (7.2 in) over the same number of days. Humidity is also higher in September at 86%, compared to 81% in July, making September feel more humid and damp. For more specific details about July weather, you can visit Morelos weather in July.

In comparing the weather of September and August, we see some notable similarities and differences. Both months feature a consistent minimum temperature of around 21°C (70°F), while September has a slightly lower average temperature of 26°C (80°F) compared to August's 27°C (80°F). The maximum temperatures remain steady at 34°C (94°F) for both months. However, September experiences significantly higher precipitation levels at 286 mm (11.3 in) over 26 days, compared to August's 233 mm (9.2 in) over 27 days. Additionally, September's humidity is marginally higher at 86%, versus August's 82%. For further insights, you can check Morelos weather in August.

In September, the weather is marked by higher temperatures with a minimum of 21°C (70°F) and an average of 26°C (80°F), peaking at a maximum of 34°C (94°F). This month also experiences significant rainfall, totaling 286 mm (11.3 in) over 26 days, coupled with high humidity levels averaging 86%. In contrast, October brings slightly cooler temperatures, with a minimum of 17°C (63°F) and a peak of 33°C (92°F), while maintaining the same average of 26°C (78°F). Precipitation decreases to 267 mm (10.5 in) across 23 days, and humidity rises to an average of 90%. Overall, October offers a transition to milder temperatures and slightly reduced rainfall compared to September. For more detailed information, visit Morelos weather in October.

In September, the weather is significantly warmer, with average temperatures around 26°C (80°F) and highs reaching up to 34°C (94°F). However, this month also experiences high precipitation levels, averaging 286 mm (11.3 in) over 26 days, and a humidity of 86%. In contrast, November brings a cooler climate, with average temperatures dropping to 23°C (74°F) and maximums of 32°C (90°F). While it remains humid at 91%, November sees less rainfall, totaling 155 mm (6.1 in) over 19 days. For more detailed information, you can check Morelos weather in November.

In September, the weather is characterized by higher temperatures, with minimums around 21°C (70°F) and maximums reaching up to 34°C (94°F), averaging around 26°C (80°F). This month sees considerable rainfall, with frequent precipitation on 26 days and a total of 286 mm (11.3 in), contributing to a high humidity level of 86%.

In contrast, December offers a milder climate, with minimum temperatures dropping to 13°C (55°F) and maximums peaking at 32°C (89°F), averaging 22°C (71°F). The precipitation in December is significantly lower, totaling 71 mm (2.8 in) across 14 days, with humidity slightly higher at 91%. For more detailed weather information, visit Morelos weather in December.

Compare Morelos's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Morelos

As September rolls into Morelos, the weather showcases a blend of warmth and humidity, setting it apart from other months of the year. With average temperatures hovering around a pleasant 26°C (80°F), the sun certainly makes its presence felt, yet it’s the significant rainfall—with nearly 286 mm over 26 days—that distinguishes this month. This blend of tropical warmth and high humidity at 86% creates a lush landscape, albeit with frequent showers. The vibrant greens and thriving flora reflect the beauty of this rainy season, making September a unique chapter in Morelos' annual climate story. For a detailed overview of what to expect year-round, visit Morelos Climate.