Last updated: April 22, 2025
September in Guanajuato, Mexico is characterized by a warm and humid climate, with maximum temperatures reaching up to 32°C (89°F) and an average of 25°C (77°F). The minimum temperature tends to hover around 20°C (69°F), creating a tropical feel. However, this month is also notable for its significant rainfall, accumulating an impressive 391 mm (15.4 in) over approximately 27 days, resulting in an 80% humidity level. Visitors should prepare for a mix of warm weather and frequent showers, making September a unique time to experience this vibrant city.
In September, Guanajuato, Mexico, experiences a warm and pleasant climate, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 32°C (89°F). The average temperature hovers around 25°C (77°F), making it an ideal time to explore the city's vibrant culture and stunning architecture. As summer transitions to fall, the weather remains consistent, with only a slight dip in peak temperatures compared to the hotter months of May through August. This mild warmth, combined with lower humidity levels, creates a comfortable atmosphere for both locals and visitors. Whether wandering through lively streets or enjoying outdoor festivities, September offers a delightful escape from the sweltering summer heat.
September marks a climactic point in Guanajuato's wet season, with precipitation reaching an impressive 391 mm (15.4 in) over 27 days of rainfall. This not only represents a slight increase from August's already significant totals but also underscores the month’s pivotal role in the region's hydrological cycle. As the last full month of summer, September showcases a steady trend of rising precipitation from the earlier months—particularly May through August, where rainfall escalated dramatically. With each passing month, Guanajuato transitions from the dry spell of winter to this lush period, emphasizing the critical importance of September in replenishing local water sources before the drier fall months arrive.
In September, Guanajuato's humidity sits at a comfortable 80%, offering a slight dip from the peak levels seen in the sweltering summer months of July and August, which recorded 81% and 82% respectively. This drop signals the gradual transition towards the dryer autumn months ahead. Throughout the year, humidity fluctuates, beginning at 70% in January, and peaking in mid-summer, with June and July marking the highest levels. As the seasons change, residents and visitors alike can enjoy September's somewhat reduced humidity, which still retains a sense of warmth and vibrancy, making it a delightful time to experience the city's rich culture and historic beauty.
In September, Guanajuato, Mexico, continues to experience extreme UV index levels, maintaining a rating of 13 similar to August. With a burn time of just 10 minutes, it’s essential for residents and visitors alike to be vigilant about sun protection during this month. The UV index in Guanajuato peaks in the spring and summer months, with notably high levels from March through August, but as autumn approaches, September signals a slight decrease in intensity. Nevertheless, the risks remain high, reminding everyone to stay informed and take appropriate precautions. For more detailed information, visit the Guanajuato UV Index.
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Basking in September's warm embrace, Guanajuato proves to be a splendid destination with 288 hours of sunshine. This month typically showcases a delightful balance of warmth and light, nestled comfortably among the sunniest summer months, like July and March, both boasting 322 hours. As the year transitions into fall, September's bright days begin a gentle decline towards the cooler October, which retains a respectable 289 hours. This trend of vibrant sunshine not only invites exploration of the city's rich cultural tapestry but also encourages leisurely strolls through its charming streets, making it an ideal time for visitors to savor the beauty and warmth of Guanajuato before the temperatures start to dip.
In Guanajuato, Mexico, September typically sees a meager 15% chance of sunny weather, signaling the peak of the rainy season. This trend marks a significant dip from the sunniest months of the year, with February boasting an impressive 88% chance of sunshine. As summer wanes, the likelihood of overcast skies steadily rises, with June, July, and August experiencing similarly low probabilities of clear weather. If you're dreaming of sun-soaked adventures in September, it's wise to prepare for the possibility of unpredictable rain instead. Amidst the vibrant landscapes and rich culture, a little cloud cover might just add a unique charm to your experience!
In September, daylight in Guanajuato, Mexico continues the trend of the preceding months, offering a generous 12 hours of sunlight. As the year progresses from winter to spring, daylight gradually increases, peaking at 13 hours in June. Following this peak, the duration of daylight stabilizes at 12 hours throughout July and August, maintaining a consistent brightness in the early fall. As October approaches, however, daylight begins to wane, returning to 11 hours, a rhythmic cycle reflecting the transition of the seasons. This balance of light and dark creates a unique atmospheric charm in Guanajuato, enhancing its vibrant culture and picturesque landscapes.
September in Guanajuato, Mexico, ushers in a gentle breeze with an average wind speed of 1.2 m/s (about 3 mph). This marks a slight uptick from the summer months, where the winds slowed to their annual low of 1.1 m/s. As the city transitions into fall, these soft September winds provide a refreshing contrast to the heat of previous months, inviting locals and visitors alike to enjoy the vibrant streets and picturesque landscapes. Interestingly, wind speeds begin to pick up again in October, echoing a seasonal rhythm that brings more briskness to the air as Guanajuato prepares to welcome the end of the year.
The weather in 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 Guanajuato and find detailed weather information for every month.
September and January present contrasting weather patterns. In September, the temperatures range from a minimum of 20°C (69°F) to a maximum of 32°C (89°F), with an average of 25°C (77°F). This month is characterized by high humidity at 80% and frequent rainfall, accumulating to 391 mm (15.4 in) over 27 days. In stark contrast, January offers a cooler climate with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 34°C (93°F) and an average of 24°C (75°F). This month sees significantly less precipitation, with only 3 mm (0.1 in) recorded and no rainy days, coupled with a lower humidity level of 70%. For more details on the weather conditions during this month, visit Guanajuato weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of 20°C (69°F) to a maximum of 32°C (89°F), with an average of 25°C (77°F). This month is characterized by high humidity at 80% and significant rainfall, receiving about 391 mm (15.4 inches) over 27 days. In stark contrast, February features cooler temperatures, with a minimum of 14°C (58°F) and a maximum of 34°C (93°F), while maintaining the same average of 25°C (77°F). February is remarkably dry, with only 3 mm (0.1 inches) of precipitation and no rainy days, along with lower humidity at 68%. For a closer look at February weather specifics, check out Guanajuato weather in February.
When comparing the weather in September and March, notable differences emerge. September tends to be cooler on average, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 32°C (89°F). In contrast, March experiences slightly warmer temperatures, with a minimum of 18°C (64°F) and a higher maximum of 35°C (95°F). September is also considerably wetter, receiving 391 mm (15.4 in) of precipitation over 27 days, while March is much drier, with only 11 mm (0.4 in) of rain over just 2 days. Furthermore, humidity levels are higher in September at 80%, compared to March's 64%. For more details on the specific weather patterns during this month, you can visit Guanajuato weather in March.
When comparing the weather in September and April, there are notable differences in temperature, precipitation, and humidity. September tends to be warmer with average temperatures ranging from a minimum of 20°C (69°F) to a maximum of 32°C (89°F), while April has a slightly cooler range with temperatures varying from a minimum of 18°C (64°F) to a maximum of 35°C (96°F). However, September is characterized by significantly higher precipitation, with 391 mm (15.4 in) over 27 days compared to April’s more moderate 39 mm (1.5 in) over just 7 days. Additionally, humidity levels are higher in September at 80%, whereas in April, they drop to 67%. For more detailed weather information, you can refer to Guanajuato weather in April.
In comparing the weather of September and May, both months offer warm temperatures, but May tends to be slightly warmer overall. September has a minimum temperature of 20°C (69°F) and an average of 25°C (77°F), while May starts off with a minimum of 21°C (69°F) and an average of 26°C (79°F). The maximum temperatures are also higher in May, reaching up to 35°C (95°F) compared to September's peak of 32°C (89°F). However, September experiences significantly more precipitation, with 391 mm (15.4 in) over 27 days, versus May's 176 mm (6.9 in) over 24 days. Additionally, September's humidity is slightly higher at 80% compared to May's 74%. For a detailed look at May weather, visit Guanajuato weather in May.
September and June share similar minimum temperatures, both starting around 20°C (68-69°F) and maintaining an average of 25°C (77-78°F). However, June tends to be slightly warmer at its maximum, reaching up to 33°C (92°F), while September peaks at 32°C (89°F). In terms of precipitation, September is noticeably wetter, with 391 mm (15.4 in) of rainfall spread over 27 days, compared to June's 327 mm (12.9 in) over 26 days. Additionally, September's humidity is slightly higher at 80%, while June sits at 78%. For a closer look at this month, check out Guanajuato weather in June.
In comparing the weather of September and July, we see that both months maintain similar minimum temperatures, averaging around 20°C (69°F). July tends to be slightly warmer with an average temperature of 26°C (78°F) and a maximum of 33°C (91°F), while September averages 25°C (77°F) with a maximum of 32°C (89°F). Rainfall is more prevalent in September, with 391 mm (15.4 in) of precipitation across 27 days, compared to July's 277 mm (10.9 in) over 29 days. Humidity levels are quite similar, with September at 80% and July at 81%. For more detailed information, check out Guanajuato weather in July.
In comparing the weather between August and September, both months exhibit similar temperature ranges, with September's minimum temperature at 20°C (69°F) and average at 25°C (77°F), closely mirroring August's readings of 20°C (68°F) and 25°C (78°F). However, September sees a slight decrease in maximum temperature, averaging 32°C (89°F) compared to August's peak of 33°C (91°F). Notably, September experiences more rainfall, with a total precipitation of 391 mm (15.4 in) over 27 days, in contrast to August's 355 mm (14.0 in) across 28 days. Additionally, humidity remains high in both months, with September at 80% and August slightly higher at 82%. For an in-depth look at August weather, visit Guanajuato weather in August.
In September, the weather is characterized by a warm climate with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 32°C (89°F) and an average of 25°C (77°F). This month experiences significant rainfall, totaling 391 mm (15.4 in) over 27 days, along with high humidity levels at 80%.
In contrast, October sees slightly warmer maximum temperatures reaching up to 33°C (91°F), while the minimum and average temperatures remain consistent at 20°C (68°F) and 25°C (77°F), respectively. Precipitation decreases to 323 mm (12.7 in) over the same number of days, with humidity increasing slightly to 81%. For more detailed insights, check out Guanajuato weather in October.
September weather in Guanajuato is characterized by relatively warm temperatures, with daily averages around 25°C (77°F) and highs reaching up to 32°C (89°F). However, it is also a notably rainy month, with 391 mm (15.4 in) of precipitation spread over 27 days, resulting in high humidity levels of 80%. In contrast, November sees slightly milder temperatures, with a minimum of 17°C (63°F) and an average temperature still at 25°C (77°F), but it can peak at 33°C (92°F). The month is much drier, recording only 38 mm (1.5 in) of rainfall over just 8 days, while maintaining similar humidity levels of 80%. For more specifics on the weather during this month, you can check Guanajuato weather in November.
In September, temperatures typically range from a minimum of 20°C (69°F) to a maximum of 32°C (89°F), creating a warm average of 25°C (77°F). However, this month often brings significant rainfall, with 391 mm (15.4 in) falling over 27 days, resulting in high humidity levels around 80%. In contrast, December presents milder conditions with temperatures dipping slightly, featuring a minimum of 16°C (60°F) and a maximum of 33°C (91°F), with an average of 24°C (76°F). Notably, December experiences minimal rainfall—only 4 mm (0.2 in) over just 2 days—leading to lower humidity at around 75%. For more details on December weather specifics, you can check Guanajuato weather in December.
September in Guanajuato showcases a uniquely vibrant climate, characterized by warm temperatures and significant rainfall that sets it apart from the preceding months. As summer transitions into autumn, the city experiences a notable increase in humidity, creating a lush atmosphere. Frequent downpours contribute to the wet landscape, making it one of the rainiest months of the year. The contrast between warm daytime temperatures and cooler evenings offers a delightful respite. Embrace this unique blend of warmth and moisture, but be prepared for the rain by exploring more about the city's enchanting weather patterns at Guanajuato Climate.