September Weather in Jalcomulco, Mexico

Last updated: April 22, 2025

September in Jalcomulco, Mexico presents a warm climate characterized by an average temperature of 25°C (77°F), with peaks reaching up to 34°C (94°F) and lows dipping to 17°C (62°F). This month is notably wet, boasting a substantial 309 mm (12.2 in) of precipitation across 28 days, resulting in high humidity levels at 86%. Travelers can expect lush greenery and the vibrant pulse of nature, making it an ideal time for those who enjoy the richness of a tropical climate, albeit with frequent rain showers.

September Temperature in Jalcomulco

In September, Jalcomulco, Mexico, experiences a delightful blend of warmth and mildness, perfectly encapsulated by its minimum temperature of 17°C (62°F) and a comfortable average of 25°C (77°F). As the month progresses, temperatures can peak at 34°C (94°F), maintaining the region's summery vibe without the intense heat of the preceding months. This pleasant climate signals the transition toward fall, with night temperatures dipping slightly, offering a refreshing contrast to the daytime warmth. With these moderate conditions, September is an ideal time for outdoor adventures, allowing travelers to bask in the beauty of Jalcomulco's landscapes while enjoying the favorable weather.

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

The chart illustrates September temperature patterns in Jalcomulco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec676972777978777777757067
Data source: Temperature data for Jalcomulco 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 Jalcomulco

In September, Jalcomulco experiences a significant increase in precipitation, recording 309 mm (12.2 in)—the highest amount for the year. This intense rainfall typically spans 28 days, showcasing a trend towards the peak of the rainy season. As the summer months transition into fall, September's downpours are considerably more frequent and abundant than in previous months, such as August, where 214 mm fell over 26 days. This surge contributes to the lush greenery characteristic of the region, making it a vibrant, albeit wet, time in Jalcomulco, as the rains nourish both the land and the river systems.

September Precipitation Trends in Jalcomulco

The chart displays monthly precipitation patterns in Jalcomulco, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5358715712122715521430918710954
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jalcomulco

September in Jalcomulco, Mexico, marks a transitional period as humidity levels begin to rise again, reaching 86% after a slight dip during the summer months. This trend of fluctuating humidity is notable; while the region experiences a slight decrease in midsummer, the onset of autumn brings a resurgence in moisture. The humidity in September is similar to that of February, indicating that the air continues to be rich and lush, characteristic of the tropical climate that envelops Jalcomulco. As the year progresses, expect the humidity to peak in October and November, creating an environment that is both vibrant and refreshing.

September Average Humidity in Jalcomulco

This chart illustrates the average monthly humidity levels in Jalcomulco, 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 Jalcomulco

September in Jalcomulco, Mexico continues the trend of intense UV exposure typical for the region, maintaining a UV Index of 13, classified under the extreme category. With a rapid burn time of just 10 minutes, this month echoes the heightened levels seen from June to August. Despite the slight dip from July's peak UV Index of 14, the risk remains significant, reflecting the region's persistent exposure to the sun's powerful rays. As the year transitions towards cooler months, October will see a decrease to an Index of 11, yet vigilance is necessary. For more detailed information, check out Jalcomulco UV Index.

Maximum UV Index Levels in Jalcomulco for September

The chart shows the monthly maximum UV Index (UVI) for Jalcomulco 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.
JanFebMarAprMayJunJulAugSepOctNovDec911131313141413131198
Data source: Jalcomulco 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 Jalcomulco

As September unfolds in Jalcomulco, Mexico, the days are still bathed in a warm glow, offering an impressive 289 hours of sunshine. This month marks a slight dip compared to the preceding summer, which saw peak sunshine hours in July and August, boasting 324 and 315 hours respectively. However, September's sun still shines brightly, maintaining a vibrant atmosphere as the days begin to shorten. Transitioning into the autumn months, the light remains plentiful, with October bringing 300 hours back into the mix. This gradual ebb and flow of sunlight showcases Jalcomulco's alluring climate, inviting both adventure and relaxation as the year winds towards its end.

Monthly Sunshine Duration in Jalcomulco: September Highlighted

The September sunshine duration represents the total number of hours Jalcomulco 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.
JanFebMarAprMayJunJulAugSepOctNovDec214h255h297h301h316h288h324h315h289h300h279h283h
Data source: Jalcomulco September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jalcomulco During September

In Jalcomulco, Mexico, the likelihood of sunny weather in September takes a notable dip, with only a 20% chance of sunshine. This decrease follows the somewhat brighter summer months of July and August, which hover around 34% and 40%, respectively. As the rainier season approaches, the trend shows a gradual decline in sunshine percentages, moving from the highs of March at 50% to the rather elusive sun in September. Travelers should be prepared for the possibility of overcast skies and intermittent rain during this time, contrasting the more favorable sunny opportunities earlier in the year, such as the robust 59% chance seen in December.

Percentage of Sunny Days in September in Jalcomulco

The chart illustrates the percentage of sunny days in Jalcomulco 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 Jalcomulco experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%41%50%49%40%14%34%40%20%28%32%59%
Data source: Jalcomulco September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jalcomulco in September

In Jalcomulco, Mexico, the changing seasons bring a rhythmic pattern to daylight duration that beautifully reflects the region's tropical climate. Starting from January, residents can enjoy 11 hours of daylight, a trend that persists through February. As spring approaches in March and April, daylight extends to 12 hours, enhancing the outdoor experience just as nature awakens. By May through July, the days peak at a delightful 13 hours, perfect for soaking up the sun amidst the lush landscapes. However, as summer wanes in August and into September, the daylight begins to recede slightly to 12 hours once more. This gradual decrease continues into the fall, with October and November returning to 11 hours, before the daylight dips further to 10 hours in December. Overall, Jalcomulco experiences a rich tapestry of daylight, inviting both locals and visitors to savor each sunlit hour throughout the year.

Average Daylight Hours in Jalcomulco for September

The chart illustrates the variation in daylight duration in Jalcomulco throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 6m11h 30m12h 2m12h 35m13h 2m13h 15m13h 8m12h 44m12h 12m11h 40m11h 12m10h 58m
Data source: Jalcomulco daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Jalcomulco

In September, the wind in Jalcomulco, Mexico maintains a gentle rustle, with an average speed of 1.4 m/s (3 mph), mirroring the calm that has persisted since June. This consistent breeze, which has hovered around the same speed since the start of the year, provides a refreshing contrast to the warm, tropical climate. Throughout the year, wind speeds show subtle fluctuations, peaking slightly in the spring months of March and April before settling back into a soothing rhythm. As autumn approaches, September's light winds continue to offer a serene backdrop, enhancing the region's allure for those seeking a peaceful retreat amid nature's beauty.

Average September Wind Speed in Jalcomulco

The chart displays monthly wind speed patterns in Jalcomulco, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.61.71.71.41.31.41.51.4 m/s1.41.51.4
Data source: Jalcomulco September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Jalcomulco Compares to Other Months

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

In comparing the weather of September and January, we see a clear contrast in temperatures and precipitation patterns. September experiences a warm range with minimums around 17°C (62°F) and maximums soaring to 34°C (94°F), accompanied by significant rainfall totaling 309 mm (12.2 in) over 28 days, resulting in high humidity at 86%. In contrast, January offers much cooler temperatures, with a minimum of 8°C (47°F) and an average of 19°C (67°F), while still reaching a maximum of 33°C (92°F). However, the rainfall is substantially reduced to just 53 mm (2.1 in) over 12 days, and humidity remains slightly higher at 88%. For more detailed information about the weather in January, you can visit Jalcomulco weather in January.

In comparing the weather of September and February, notable differences emerge. September typically sees a warmer temperature range, with minimums around 17°C (62°F) and maximums peaking at 34°C (94°F), while February presents cooler conditions with temperatures dropping to a minimum of 9°C (49°F) and reaching a maximum of 36°C (97°F). Precipitation patterns also vary significantly; September experiences heavy rainfall with 309 mm (12.2 in) spread across 28 days, whereas February is considerably drier, receiving only 58 mm (2.3 in) over just 9 days. Interestingly, both months share a high humidity level of 86%, contributing to a humid atmosphere throughout the year. For more specific details, you can check out Jalcomulco weather in February.

When comparing the weather in September and March, notable differences emerge. September tends to be warmer overall, with average temperatures peaking at 25°C (77°F) and reaching as high as 34°C (94°F). In contrast, March showcases slightly cooler temperatures, averaging 22°C (72°F) and hitting a maximum of 36°C (97°F). Humidity levels are relatively similar, with September at 86% and March at 84%. However, September is characterized by significantly higher precipitation, with 309 mm (12.2 in) over 28 days, compared to March's 71 mm (2.8 in) over just 10 days. For a closer look at March weather specifics, you can visit Jalcomulco weather in March.

When comparing the weather in September to that of April, notable differences arise. September tends to be more humid, with an average humidity level of 86% and frequent rainfall, totaling 309 mm across 28 days. In contrast, April offers milder conditions with a lower humidity level of 81% and significantly less precipitation, averaging just 57 mm over 9 days. Temperature-wise, both months share the same average of 25°C (77°F), but April can experience higher maximum temperatures, reaching up to 38°C (101°F), compared to September’s maximum of 34°C (94°F). For a more detailed look at April weather, you can check out Jalcomulco weather in April.

In comparing the weather of September and May, we observe some notable differences. September generally features a slightly wider range of temperatures, with a minimum of 17°C (62°F) and a maximum of 34°C (94°F), while May sees a higher maximum reaching up to 36°C (98°F) at an average of 26°C (79°F). September is also marked by significantly more precipitation, totaling 309 mm (12.2 in) over 28 days, compared to May's 121 mm (4.8 in) over just 15 days. Despite the higher rainfall in September, the humidity remains comparable, with September at 86% and May at 82%. For a more detailed look into how May weather unfolds in specific regions, you can refer to Jalcomulco weather in May.

September and June offer distinct weather experiences, marked by subtle variations in temperature and precipitation. In September, temperatures range from a minimum of 17°C (62°F) to a maximum of 34°C (94°F), with an average of 25°C (77°F). The humidity is notably high at 86%, and the month sees significant rainfall totaling 309 mm (12.2 in) over 28 days. In contrast, June presents slightly warmer temperatures, peaking at 35°C (96°F) with an average of 26°C (78°F) and a minimum of 18°C (65°F). While June also experiences frequent rain, it amounts to 227 mm (8.9 in) over 25 days and features a lower humidity level of 81%. For more details, you can check Jalcomulco weather in June.

When comparing the weather in September and July, both months exhibit similar temperature ranges, with September experiencing a minimum temperature of 17°C (62°F) and a maximum of 34°C (94°F), while July has a slightly lower maximum of 33°C (92°F). The average temperature remains consistent at around 25°C (77°F) for both months. However, September is significantly wetter, receiving 309 mm (12.2 in) of precipitation over 28 days, compared to July's 155 mm (6.1 in) over just 21 days. Additionally, humidity levels are higher in September at 86%, compared to 81% in July, making September feel more humid and potentially more uncomfortable for outdoor activities. For more details on July weather specifically, you can check out Jalcomulco weather in July.

September generally experiences slightly warmer maximum temperatures compared to August, peaking at 34°C (94°F) versus August's 33°C (91°F). Both months share similar minimum temperatures, hovering around 17°C (62°F). However, September is notably wetter, with precipitation reaching 309 mm (12.2 in) over 28 days, significantly higher than August's 214 mm (8.4 in) over 26 days. Additionally, September's humidity is higher at 86% compared to August's 82%, contributing to a more tropical feel. For more detailed weather patterns, you can check Jalcomulco weather in August.

In September, the weather is characterized by warmer temperatures, with minimums around 17°C (62°F) and average highs reaching up to 34°C (94°F). The month also sees significant precipitation, totaling 309 mm (12.2 in) over 28 days, coupled with high humidity levels of 86%. In contrast, October experiences slightly cooler temperatures, with a minimum of 15°C (59°F) and an average of 24°C (76°F), while still maintaining a high maximum of 34°C (93°F). Precipitation decreases to 187 mm (7.4 in) over 22 days, and humidity rises to 90%. For more specific details on October weather, you can visit Jalcomulco weather in October.

In September, the weather is warmer, with average temperatures reaching 25°C (77°F) and a maximum of 34°C (94°F), making it feel quite hot for many. The month is characterized by high humidity at 86% and significant rainfall, amounting to 309 mm (12.2 in) over 28 days. In contrast, November brings cooler temperatures with a minimum of 10°C (50°F) and an average of 21°C (71°F). While it remains humid at 91%, the rainfall decreases significantly to 109 mm (4.3 in) over just 17 days. For more details, visit Jalcomulco weather in November.

September and December present contrasting weather patterns. In September, temperatures range from a minimum of 17°C (62°F) to a maximum of 34°C (94°F), with an average of 25°C (77°F). This month is characterized by high humidity at 86% and significant precipitation, totaling 309 mm (12.2 in) over 28 days. In contrast, December features cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 32°C (89°F), averaging 20°C (68°F). The month also sees much less rain, with only 54 mm (2.1 in) of precipitation over 11 days and a slightly higher humidity level of 91%. For more specific insights on December weather, you can visit Jalcomulco weather in December.

Compare Jalcomulco's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Jalcomulco

As September unfolds in Jalcomulco, it brings a distinct contrast to the rest of the year. The temperatures remain warm, typically hovering around a comfortable average of 25°C. However, this month is characterized by an increased sense of moisture, with high humidity levels reaching up to 86%, making the air feel heavier. Furthermore, September sees a significant uptick in rainfall, contributing over 300 mm of precipitation across nearly every day of the month, which adds a lush vibrancy to the region's landscape. This combination of heat and humidity creates an atmosphere that is markedly different from the drier months, inviting visitors to experience the unique charm that Jalcomulco has to offer during this wet season. For more detailed insights, be sure to check out Jalcomulco Climate.