September Weather in San Miguel, Mexico

Last updated: April 22, 2025

September in San Miguel, Mexico presents a vibrant tapestry of weather, where temperatures peak at a warm 33°C (92°F), while settling to an average of 24°C (76°F) and dipping to a more refreshing 19°C (66°F) at night. This month is characterized by significant rainfall, accumulating around 214 mm (8.4 in) across 23 days, resulting in a notably humid atmosphere with levels reaching 84%. Despite the frequent showers, the lush landscapes and pleasant temperatures create a unique charm, making September a distinctive time to experience the natural beauty and cultural richness of this enchanting city.

September Temperature in San Miguel

In September, the allure of San Miguel, Mexico becomes evident as temperatures settle into a comfortable rhythm. The month sees minimums hovering around 19°C (66°F), with averages at a pleasant 24°C (76°F), and maximums peaking at 33°C (92°F). This slight dip from the summer highs provides a refreshing transition into fall, maintaining the warm, inviting climate that travelers cherish. With consistent conditions, September offers a perfect backdrop for exploring the vibrant local culture, making it an ideal time to visit this charming destination.

September Weather in San Miguel: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Miguel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec687174777976777675747169
Data source: Temperature data for San Miguel 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 San Miguel

September in San Miguel brings a significant shift in precipitation, as the region experiences 214 mm (8.4 in) of rainfall over 23 days. Following the peak of the rainy season in August, where an impressive 256 mm (10.1 in) fell, September maintains the momentum but begins to taper off. The sustained rainfall not only continues to nourish the lush landscapes but also marks the transition out of the heaviest monsoon months. As the temperatures cool slightly with the onset of autumn, residents and visitors alike can appreciate the refreshing showers that invigorate the vibrant flora, making this transitional month particularly scenic and lush. It's clear that September serves as a vital bridge between the peak rainy season and the drier months ahead, highlighting the rhythm of weather that characterizes this enchanting region.

September Precipitation Trends in San Miguel

The chart displays monthly precipitation patterns in San Miguel, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1113723753541412562141642210
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Miguel

September in San Miguel marks a return to higher humidity, soaring to 84%, aligning it with January's levels. This post-summer spike is part of an overall trend, where humidity fluctuates throughout the year, generally peaking in the late months. Following the more moderate figures of April and May, the humidity gradually rises, reflecting the lingering effects of the rainy season. Interestingly, October and November continue this trend, maintaining high humidity at 89% and 88%, respectively. This creates a lush, vibrant atmosphere in the region, offering a unique blend of warmth and moisture that enhances the beauty of San Miguel year-round.

September Average Humidity in San Miguel

This chart illustrates the average monthly humidity levels in San Miguel, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%73%67%72%73%76%80%84%89%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Miguel

September in San Miguel, Mexico marks a peak in the UV Index, maintaining an extreme level of 14, which corresponds to a burn time of just 10 minutes. This month continues the trend established from late spring through summer, where consistently high UV ratings have been recorded. With the sun's rays intensifying, visitors and residents alike should remain vigilant about sun protection, as the risk of harm increases significantly. As the season shifts towards October, we can expect a slight dip to a UV Index of 12, but it's essential to stay informed throughout the year. For more details, visit San Miguel UV Index.

Maximum UV Index Levels in San Miguel for September

The chart shows the monthly maximum UV Index (UVI) for San Miguel 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.
JanFebMarAprMayJunJulAugSepOctNovDec10121314141414131412109
Data source: San Miguel 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 San Miguel

September in San Miguel, Mexico, offers a delightful continuation of the summer sunshine, with an impressive 292 hours of bright, sunny days. This month transitions gracefully from the peak summer months, where July boasts the highest sunshine at 327 hours, followed closely by May's 323 hours. As the year progresses, the sun begins to soften, yet September's hours remain robust, reflecting a vibrant close to the summer season. Following September, October and November provide a gentle drop in sunshine, averaging around 300 to 304 hours. Overall, San Miguel's sunlight trend showcases a warm embrace of brightness, perfect for soaking up the beauty of fall in this enchanting locale.

Monthly Sunshine Duration in San Miguel: September Highlighted

The September sunshine duration represents the total number of hours San Miguel 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.
JanFebMarAprMayJunJulAugSepOctNovDec244h278h321h317h323h274h327h312h292h300h304h305h
Data source: San Miguel September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Miguel During September

As September rolls into San Miguel, the likelihood of sunny weather takes a noticeable dip, with only a 14% chance of sunshine. This trend marks a stark contrast to the sunnier months of January through April, where probabilities hover between 40% and 68%. Following the peak sunshine months of February and March, the onset of the rainy season begins to reshape the weather pattern, leading to a significant decline in clear days. Interestingly, this trend carries through the summer into early fall, leaving September as one of the gloomiest months of the year. For those dreaming of sun-soaked days, it may be wise to look elsewhere or plan activities that embrace the full spectrum of San Miguel's charm, rain or shine.

Percentage of Sunny Days in September in San Miguel

The chart illustrates the percentage of sunny days in San Miguel 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 San Miguel experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%62%68%51%32%12%26%21%14%34%61%73%
Data source: San Miguel September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Miguel in September

In September, San Miguel, Mexico, basks in a generous 12 hours of daylight, a continuation of the summer's bright embrace. The city enjoys a gradual increase in daylight from 11 hours in the winter months of January and February, reaching a peak of 13 hours in June. As the year progresses, daylight duration stabilizes at 12 hours through the late spring and summer, signifying a harmonious balance between sunlight and shadow. As autumn approaches, the daylight begins to wane slightly, preparing the way for October's return to 11 hours. This rhythm of daylight fosters a vibrant atmosphere, perfect for exploring the cultural richness and natural beauty of San Miguel.

Average Daylight Hours in San Miguel for September

The chart illustrates the variation in daylight duration in San Miguel 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 5m12h 59m12h 38m12h 11m11h 43m11h 19m11h 8m
Data source: San Miguel daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in San Miguel

As September rolls into San Miguel, the gentle caress of the wind reaches its annual low, averaging 1.7 m/s (4 mph). This serene breeze echoes the slow descent into autumn, following the summer's warm lull, where wind speeds began a gradual decline from their peak in the earlier months. While January through April boasted more robust gusts, September’s softer whispers herald a season of quietude. This trend continues in October, as the wind begins to regain its strength. Overall, September's tranquil air serves as a soothing transition, inviting residents and visitors alike to bask in the mellow ambiance of early fall in this charming Mexican town.

Average September Wind Speed in San Miguel

The chart displays monthly wind speed patterns in San Miguel, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.72.62.92.72.31.42.11.81.7 m/s2.13.02.4
Data source: San Miguel September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in San Miguel Compares to Other Months

The weather in San Miguel 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 San Miguel and find detailed weather information for every month.

September and January present quite distinct weather contrasts. In September, temperatures range from a minimum of 19°C (66°F) to a maximum of 33°C (92°F), with an average of 24°C (76°F). This month is characterized by high humidity at 84% and significant rainfall, totaling 214 mm (8.4 in) over 23 days. In contrast, January features cooler temperatures, with a minimum of 10°C (50°F) and an average of 20°C (69°F), peaking at 34°C (93°F). Rainfall is sparse, amounting to only 11 mm (0.4 in) over just 2 days, while the humidity remains consistent at 84%. For a closer look at January's weather specifics, check out this link: San Miguel weather in January.

When comparing the weather in September and February, notable differences emerge in both temperature and precipitation. September typically sees a minimum temperature of 19°C (66°F) and an average of 24°C (76°F), with highs reaching up to 33°C (92°F). This month is characterized by significant rainfall, averaging 214 mm (8.4 in) over 23 days, leading to a relatively high humidity level of 84%. In contrast, February presents a cooler climate with a minimum temperature of 10°C (50°F) and an average of 22°C (72°F), peaking at 35°C (94°F). This month boasts much drier conditions, with only 13 mm (0.5 in) of precipitation over just 3 days and a humidity rate of 80%. For more details on February weather patterns, you can refer to San Miguel weather in February.

September and March exemplify distinct weather patterns, reflecting the transition from one season to the next. In September, temperatures range from a minimum of 19°C (66°F) to a maximum of 33°C (92°F), with an average of 24°C (76°F). This month is characterized by high humidity at 84% and significant rainfall, accumulating 214 mm (8.4 in) over 23 days. In contrast, March boasts a cooler minimum temperature of 11°C (52°F) and a slightly higher maximum of 35°C (96°F), with an average of 23°C (74°F). However, it experiences minimal precipitation of just 7 mm (0.3 in), falling on only 1 day, and has lower humidity at 73%. For a more detailed look at March's weather specifics, you can visit San Miguel weather in March.

When comparing the weather in September and April, notable differences emerge. September tends to be warmer overall, with average temperatures ranging from a minimum of 19°C (66°F) to a maximum of 33°C (92°F), while April features a lower minimum of 14°C (58°F) and can reach a scorching maximum of 38°C (100°F). Precipitation levels also vary significantly; September sees an average of 214 mm (8.4 in) of rain over 23 days, creating a much wetter environment compared to April, which only experiences 23 mm (0.9 in) of rain over just 4 days. Additionally, the humidity in September is notably higher at 84%, contrasted with April’s more comfortable humidity level of 67%. For more detailed information, you can visit San Miguel weather in April.

In comparing the weather of September and May, September exhibits warmer overall temperatures, with averages around 24°C (76°F) and highs reaching 33°C (92°F). It also experiences significantly more rainfall, totaling 214 mm (8.4 in) spread over 23 days, contributing to a high humidity level of 84%. In contrast, May sees slightly cooler conditions, with an average temperature of 26°C (79°F) and maximums hitting 36°C (97°F), but it has far less rainfall at 75 mm (3.0 in) over just 14 days, resulting in lower humidity levels of 72%. For a detailed view of May's weather, check out San Miguel weather in May.

When comparing the weather in September and June, there are several notable differences. Both months experience minimum temperatures around 19°C (66°F), but June has a slightly higher average temperature of 25°C (76°F) compared to September's 24°C (76°F). In terms of maximum temperatures, June reaches a peak of 34°C (94°F), while September tops out at 33°C (92°F). Precipitation is more pronounced in June, with 354 mm (13.9 in) falling over 22 days, compared to September's 214 mm (8.4 in) over 23 days. Furthermore, September has a higher humidity level at 84%, in contrast to June's 73%. For a detailed look at the weather in June, you can visit San Miguel weather in June.

When comparing the weather in September and July, both months exhibit warm temperatures, though July tends to be slightly hotter on average. In September, the average temperature is 24°C (76°F) with a maximum of 33°C (92°F), while July averages 25°C (77°F) and peaks at 35°C (94°F). Although both months experience significant rainfall, September is notably wetter, with 214 mm (8.4 in) of precipitation over 23 days, compared to July’s 141 mm (5.5 in) over 24 days. Additionally, September has a higher humidity level at 84%, contrasted with July’s 76%. For a closer look at July's climate specifics, visit San Miguel weather in July.

In September, the weather remains quite similar to August, with both months experiencing a minimum temperature of 19°C (66°F), an average of 24°C (76°F), and a maximum of 33°C (92°F). However, September sees a slight decrease in precipitation, with 214 mm (8.4 in) compared to August's 256 mm (10.1 in), although both months have a similar number of rainy days at 23. Additionally, September's humidity is slightly higher at 84% compared to August's 80%. For a more detailed look at the weather patterns, you can visit San Miguel weather in August.

In September, temperatures range from a minimum of 19°C (66°F) to a maximum of 33°C (92°F), with an average of 24°C (76°F). This month experiences significant rainfall, totaling 214 mm (8.4 in) over 23 days, coupled with a humidity level of 84%. In contrast, October sees slightly cooler temperatures, with a minimum of 15°C (60°F) and maintaining the same maximum of 33°C (92°F), resulting in an average of 23°C (75°F). Rainfall decreases to 164 mm (6.4 in) over 16 days, and humidity rises to 89%. For more detailed information, you can check San Miguel weather in October.

September and November showcase distinct weather patterns. In September, temperatures range from a mild minimum of 19°C (66°F) to a peak of 33°C (92°F), with an average of 24°C (76°F). However, this month is marked by significant rainfall, accumulating 214 mm (8.4 in) over 23 days, resulting in high humidity levels at 84%. In contrast, November experiences cooler conditions, with a minimum temperature of 11°C (52°F) and an average of 22°C (71°F), though it can still reach 34°C (94°F) at its highest. Precipitation drops dramatically to just 22 mm (0.9 in) over only 4 days, while humidity rises slightly to 88%. For more details on November weather, visit San Miguel weather in November.

September and December exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 19°C (66°F) to a maximum of 33°C (92°F), with an average of 24°C (76°F). This month is also characterized by high humidity at 84% and significant rainfall, accumulating to 214 mm (8.4 in) over 23 days. In contrast, December offers cooler temperatures, with a minimum of 10°C (50°F), an average of 21°C (69°F), and a maximum of 34°C (93°F). Rainfall is scarce in December, totaling just 10 mm (0.4 in) over 2 days, while humidity remains slightly higher at 88%. For more details, you can check San Miguel weather in December.

Compare San Miguel's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in San Miguel

As September rolls in, San Miguel experiences a notable shift in weather, making it distinct from the drier months surrounding it. With higher humidity levels and a considerable amount of rainfall, this month brings an invigorating freshness to the air. The temperature range remains warm but is tempered by frequent downpours, creating a lush landscape that sets September apart from the hotter, more arid summer months. If you're curious about how San Miguel's climate evolves throughout the year, be sure to check out San Miguel Climate for a deeper dive into its year-round weather patterns.