Last updated: April 22, 2025
In San Jose de Guanajuato during September, expect a warm climate characterized by maximum temperatures reaching 31°C (89°F). The average temperature settles around a comfortable 20°C (68°F), while nights can cool down to a refreshing 10°C (50°F). September also sees considerable precipitation, with a total of 156 mm (6.1 in) spread over approximately 17 days, leading to a humidity level of 81%. This mix of warmth and moisture contributes to the lush landscapes of the region, making it a vibrant time to experience the local culture and natural beauty.
In September, San Jose de Guanajuato enjoys a delightful transition as summer gradually gives way to autumn. With minimum temperatures around 10°C (50°F) and maximums reaching up to 31°C (89°F), this month offers a comfortable climate for visitors. The average temperature of 20°C (68°F) creates a pleasant atmosphere, ideal for exploring the city's rich history and vibrant culture. September's weather marks a shift from the warmer summer months, yet retains enough warmth to still relish outdoor activities, making it a perfect time for tourists to experience the charm of this beautiful Mexican destination.
September in San Jose de Guanajuato marks a peak in precipitation, with an impressive 156 mm (6.1 in) of rainfall over 17 days, mirroring the wet conditions seen in both June and July. This significant downpour signals the transition into the autumn season, capturing the essence of the area's rainy period. The cumulative rainfall since May emphasizes a burgeoning wet season, nurturing the landscape with vital moisture, while the number of rainy days suggests a consistent pattern of showers rather than prolonged storms. As the months progress towards October, precipitation begins to taper off, but September's robust rainfall serves as a reminder of the lush vibrancy that defines this picturesque locale during its wettest time of year.
As September settles in San Jose de Guanajuato, the air becomes notably more humid, with levels climbing to 81%. This increase marks a continuation of the rising trend that begins in the warmer months, peaking in contrast to the drier conditions of early spring. After months of gradual augmentation from February's 65% to August's 68%, September's humidity signals a transition into the wetter fall season. The humidity levels will only intensify, reaching 83% in October and peaking at 84% in November, highlighting the region's shift towards higher moisture content in the air as the year draws to a close. This annual cycle not only affects the local climate but also influences the vibrant landscape and lifestyle of San Jose de Guanajuato.
September in San Jose de Guanajuato continues the trend of extreme UV exposure, with a UV Index of 13 and a burn time of just 10 minutes. This month encapsulates the peak sun intensity typical of the region, maintaining high levels seen since March. As the summer heat gradually recedes, residents and visitors should remain vigilant, as the UV Index remains significant, matching the levels from July and August. Being prepared with sunscreen and protective clothing is essential to safeguard against potential skin damage. For ongoing UV Index updates, visit San Jose de Guanajuato UV Index.
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In September, the charming city of San Jose de Guanajuato basks in a generous 292 hours of sunlight, following the peak warmth of summer months. As the year transitions towards autumn, this month marks a slight dip in sunshine compared to the sun-drenched May and June, which boast the highest illumination totals at 340 and 309 hours respectively. Throughout the year, sunlight hours exhibit a gentle ebb and flow, with the impressive 320 hours in March and 323 hours in April setting the stage for a vibrant spring. As the days begin to shorten, the golden light of September still invites leisurely strolls through historic streets, ensuring that the charm of this picturesque city continues to shine.
In San Jose de Guanajuato, the likelihood of enjoying sunny weather in September is quite low, with only a 20% chance of sunshine. This marks a significant dip from the sunnier months earlier in the year, particularly from February (89%) and March (82%), which boast some of the highest probabilities of clear skies. As summer gives way to the rainy season, September follows the trend established in June and July, where sunshine is scarce. Notably, as autumn approaches, the chances improve again in October to 41%, adding a glimmer of hope for brighter days to come. So, while September may not be the ideal month for sun-seekers, it does pave the way for a gradual return of sunshine in the following months.
In September, San Jose de Guanajuato enjoys 12 hours of daylight, a continuation of the summer’s longer days that peak in May through July with 13 hours. As the seasons transition toward autumn, the daylight begins to wane slightly, reflecting a shift toward the shorter days of fall. This moderate daylight duration in September mirrors the crossover seen in the previous month, August, also featuring 12 hours. As daylight gradually decreases, the months ahead will see a further reduction, foreshadowing the arrival of the cooler months ahead, culminating in December's 10 hours. This subtle decline in daylight not only marks the change in seasons but also invites residents and visitors alike to savor the lingering warmth of summer before embracing the crispness of autumn.
In September in San Jose de Guanajuato, the winds begin to soften, with an average speed of 1.8 m/s (4 mph), marking it as one of the calmest months of the year. This gentle breeze follows a trend seen throughout the summer, where wind speeds gradually decline from the slightly more blustery days of late spring, peaking at 2.5 m/s (6 mph) in April. As the month transitions into autumn, one can expect these tranquil conditions to persist, suggesting a peaceful atmosphere perfect for exploring the charming streets of this historic city. The transition from August's 2.0 m/s to September's milder wind reveals a gradual shift toward quieter days, hinting at the serene beauty of the landscapes and vibrant culture awaiting visitors.
The weather in San Jose de Guanajuato 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 Jose de Guanajuato and find detailed weather information for every month.
September weather in San Jose de Guanajuato features a wider temperature range, with minimums around 10°C (50°F) and maximums reaching up to 31°C (89°F). The month is characterized by high precipitation levels, averaging 156 mm (6.1 in) over about 17 rainy days, combined with humidity levels around 81%. In contrast, January experiences much cooler temperatures, with a minimum of 1°C (34°F) and an average high of 30°C (87°F). Notably, January is much drier, with just 3 mm (0.1 in) of precipitation occurring on only 1 day, and humidity drops to 74%. For a detailed look at January weather, see San Jose de Guanajuato weather in January.
When comparing the weather in September and February, notable differences emerge. September features a wider temperature range with minimums around 10°C (50°F) and maximums reaching up to 31°C (89°F), whereas February's temperatures are slightly cooler, with a minimum of 5°C (42°F) and a similar maximum of 32°C (90°F). Precipitation also varies significantly, as September experiences heavy rainfall totaling 156 mm (6.1 in) over 17 days, while February is much drier with only 6 mm (0.3 in) of rain in just one day. Additionally, September has a higher humidity level at 81%, in contrast to February’s 65%. For a detailed look at February’s weather, visit San Jose de Guanajuato weather in February.
In comparing the weather conditions of September and March, a notable difference can be observed in temperature and precipitation. September typically experiences a more significant temperature range, with minimums of 10°C (50°F) and maximums reaching 31°C (89°F), while March exhibits a broader high of 34°C (93°F) despite starting at a lower minimum of 5°C (41°F). Additionally, September is characterized by higher humidity at 81% and substantial rainfall, accumulating 156 mm (6.1 in) over about 17 days. In contrast, March enjoys a much drier climate with only 9 mm (0.4 in) of rain over just 2 days and lower humidity at 58%. For more specific weather details, refer to San Jose de Guanajuato weather in March.
September and April present quite different weather patterns. In September, temperatures range from a minimum of 10°C (50°F) to a maximum of 31°C (89°F), with an average of 20°C (68°F). This month is characterized by higher humidity at 81% and significant rainfall, averaging 156 mm (6.1 in) over 17 days. In contrast, April tends to be warmer with temperatures varying from a low of 8°C (47°F) to a high of 35°C (96°F) and an average of 23°C (73°F). April boasts much lower precipitation, with only 5 mm (0.2 in) falling over the course of just one day, resulting in a more comfortable humidity level of 58%. For a closer look at what to expect in April, you can check San Jose de Guanajuato weather in April.
When comparing the weather in September and May, notable contrasts emerge. September tends to be cooler, with average temperatures around 20°C (68°F) and highs reaching 31°C (89°F), while May is generally warmer, boasting an average of 24°C (75°F) and maximum temperatures soaring up to 37°C (99°F). Precipitation levels also differ significantly, as September is characterized by higher rainfall, accumulating 156 mm (6.1 in) over 17 days, compared to May's much drier climate with just 49 mm (1.9 in) over 6 days. Additionally, September experiences higher humidity levels at 81%, while May has a more comfortable humidity of 67%. For a more detailed look at May's climate, check out San Jose de Guanajuato weather in May.
When comparing the weather in September and June, it's evident that both months share similar levels of precipitation, with 156 mm (6.1 in) recorded for each. However, June tends to be warmer overall, featuring minimum temperatures of 12°C (54°F) and maximum temperatures that can reach up to 37°C (98°F), making it significantly hotter than September, which has a minimum of 10°C (50°F) and a maximum of 31°C (89°F). Additionally, June experiences slightly lower humidity at 76%, compared to September's 81%. For a more detailed look at the June weather, you can visit San Jose de Guanajuato weather in June.
When comparing the weather in September and July, we find some notable differences despite their similar maximum temperatures, both peaking around 31°C (88-89°F). In September, the average temperature slightly dips to 20°C (68°F), with a minimum of 10°C (50°F), whereas July has a higher minimum of 13°C (56°F) and an average of 21°C (69°F). September experiences slightly more precipitation, totaling 156 mm (6.1 in) over 17 days, while July has a comparable amount of 155 mm (6.1 in) but spreads over 20 days, resulting in a more humid atmosphere at 67% compared to September's 81%. For more detailed information, you can check out San Jose de Guanajuato weather in July.
In comparing the weather patterns of September and August, September presents slightly cooler temperatures with a minimum of 10°C (50°F) and an average of 20°C (68°F), while August has a minimum of 13°C (55°F) and an average of 21°C (70°F). The maximum temperature for both months is comparable, with September peaking at 31°C (89°F) and August at 30°C (87°F). Precipitation levels remain similar, with September recording 156 mm (6.1 in) over 17 days and August slightly lower at 152 mm (6.0 in) over 18 days. Notably, September's humidity is higher at 81%, compared to August's 68%. For more detailed insights into August's climate, visit San Jose de Guanajuato weather in August.
In September, the weather features a notable range, with minimum temperatures around 10°C (50°F) and maximums peaking at 31°C (89°F). Despite the warm averages, the month is characterized by significant rainfall, totaling 156 mm (6.1 in) over 17 days and a humidity level of 81%. In contrast, October brings slightly cooler nights with a minimum temperature of 8°C (46°F), while daytime highs reach up to 32°C (89°F). The month is much dryer, with only 49 mm (1.9 in) of precipitation over 9 days and a marginally higher humidity at 83%. For more detailed information on October weather, you can visit San Jose de Guanajuato weather in October.
September and November present contrasting weather experiences. In September, temperatures range from a comfortable minimum of 10°C (50°F) to a warm maximum of 31°C (89°F), with an average of 20°C (68°F). This month sees significant rainfall, totaling 156 mm (6.1 in) over 17 days, and a high humidity level of 81%. In stark contrast, November features cooler minimums of 3°C (38°F) and a similar maximum of 31°C (89°F), with an average temperature of 18°C (64°F). Rainfall dramatically decreases to just 18 mm (0.7 in) over only 2 days, while humidity rises slightly to 84%. For more detailed information, check San Jose de Guanajuato weather in November.
In September, the weather is characterized by warm temperatures, with a minimum of 10°C (50°F) and an average of 20°C (68°F) rising to a maximum of 31°C (89°F). This month is quite humid, with an average humidity of 81% and frequent rainfall, totaling 156 mm (6.1 in) over 17 days. In contrast, December offers a cooler climate, where temperatures drop significantly, with a minimum of 1°C (34°F) and an average of 16°C (61°F) peaking at 30°C (86°F). Notably, December experiences very little precipitation, with only 4 mm (0.2 in) over 0 days, while maintaining the same humidity level of 81%. For more details, check out San Jose de Guanajuato weather in December.
As September rolls in, San Jose de Guanajuato experiences a shift in its weather patterns, characterized by increased humidity and frequent rain showers that set it apart from the drier months. This marks a transitional period where the vibrant rhythm of the city is complemented by the lush greenery brought about by the 156 mm of rainfall over 17 days. The temperatures remain comfortably warm, with an average around 20°C (68°F), offering a pleasant escape from the summer heat. Those curious about the nuances of this month will find a dramatic contrast to the arid conditions preceding it, making September a unique time to experience the city's charm. For a deeper dive into the yearly weather trends, explore San Jose de Guanajuato Climate.