Last updated: April 22, 2025
In September, Saltillo, Mexico experiences a warm climate marked by a maximum temperature of 34°C (94°F) and an average of 27°C (81°F), making it a sultry time of year. The evenings cool down to a minimum of 22°C (72°F), providing some respite from the day's heat. However, the month is characterized by significant precipitation, with a total of 248 mm (9.8 in) falling over 26 days of rain, leading to a humidity level of 79%. This combination of warmth and moisture fosters a lush landscape, making September both vibrant and dynamic in Saltillo.
In September, Saltillo, Mexico, experiences warm and consistent temperatures, with minimums around 22°C (72°F) and averages peaking at 27°C (81°F). As the summer winds down, the maximums hold steady at a comfortable 34°C (94°F), reflecting a smooth transition into the fall season. This month mirrors August's climate, offering cozy warmth and inviting evenings, making it an ideal time for outdoor adventures. With the slight dip in temperatures from the sweltering summer months, September provides a perfect blend of warmth and comfort, setting the stage for the cooler temperatures that October will soon bring.
In September, Saltillo experiences a significant uptick in precipitation, recording an impressive 248 mm (9.8 in) over 26 days of rainfall. This marks a peak in the rainy season, with rainfall considerably higher than the preceding months, reflecting a shift from the dryer summer months of July and August, which also boast substantial precipitation but fall slightly short of September’s totals. This surge not only highlights September as the wettest month of the year but also signals the transition towards the milder, post-rainy season, where the abundant moisture may rejuvenate the landscape and fill local water sources. 🌧️ As the city braces for this downpour, residents and nature alike prepare for the refreshing change that September rains bring.
As summer transitions into fall, September in Saltillo, Mexico, experiences a modest humidity level of 79%. This slight dip follows the peak humidity of August, which holds steady at 80%. Overall, the month serves as a bridge between the more humid summer months and the gradually increasing humidity of autumn. As the year progresses, humidity levels tend to rise once again, reaching their highest in the winter months of November and December. Notably, the humidity remains in the upper 70s and low 80s throughout the year, creating a relatively consistent, albeit humid, climate that defines Saltillo's atmosphere.
As summer transitions into autumn, September in Saltillo, Mexico, sees a UV Index of 13, categorizing exposure as extreme with a burn time of just 10 minutes. This trend mirrors the preceding months, where the UV Index has remained consistently high from June to August. Despite entering fall, the intensity shows little sign of easing, continuing a pattern established since early spring. As you enjoy outdoor activities, it's essential to stay vigilant and protect your skin, as the extreme UV levels can escalate the risk of sunburn. For more information and to plan accordingly, check out the detailed Saltillo UV Index.
UV Risk Categories
September in Saltillo, Mexico, marks a gentle transition in the year, where the sunshine continues to grace the region with a respectable 285 hours of glorious daylight. Following the peak warmth of May, which boasts an impressive 328 hours, the sun begins to retreat slightly, bringing a more temperate feel to the city as summer fades. This month’s sunlight mirrors its predecessor, August, which provided 305 hours of bright days, showcasing a brief consistency before the cooler autumn months ahead. As the days gradually shorten, Saltillo still enjoys a generous amount of sunshine, positioning September as a delightful time to bask in the lingering warmth while the landscape shifts subtly towards fall.
As summer transitions to autumn, September in Saltillo, Mexico sees a notable dip in sunny weather, with a mere 17% chance of sunshine. This low probability signals the shift from the drier months of the earlier year. Comparatively, the preceding months—particularly March and April—boast significantly higher chances of sun, reaching up to 68% and 61%, respectively. The substantial decrease in September suggests a trend toward cloudier skies, hinting at the onset of wetter seasonality. As daylight begins to wane, residents and visitors alike may want to plan their outdoor activities around the unpredictable weather, making the most of the sunnier days that become increasingly elusive.
In September, Saltillo enjoys a refreshing 12 hours of daylight, continuing the trend from the sun-laden months of June through August. This month marks a delightful transition as the days start to shorten, providing a harmonious balance between light and coolness. Following the summer peak, where daylight reached 13 hours, September maintains the vibrant spirit of early fall, before the gradual decrease in hours sets in during October and onward. As the days grow shorter, the cozy ambiance begins to envelop the city, inviting residents and visitors alike to savor the beauty of the season.
As September unfolds in Saltillo, Mexico, the winds begin to whisper a soft refrain, averaging just 1.9 m/s (4 mph). This gentle breeze reflects a trend observed throughout the summer months, where wind speeds hover around the lower spectrum, with both July and August also registering similar calmness. Interestingly, while the spring months experience a slight uptick, with March peaking at 3.0 m/s (7 mph), the onset of September signals a notable transition towards the more tranquil patterns of late summer and fall. As the year winds down, Saltillo's breezes become a serene backdrop for the vibrant change of seasons, inviting residents and visitors alike to enjoy the mild weather.
The weather in Saltillo 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 Saltillo and find detailed weather information for every month.
September and January offer contrasting weather experiences. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 34°C (94°F), with an average of 27°C (81°F). The month is characterized by significant rainfall, with 248 mm (9.8 in) spread over 26 days, and humidity levels are high at 79%. In comparison, January is cooler, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 33°C (91°F), and an average of 22°C (72°F). Precipitation drops to 83 mm (3.3 in) over just 12 days, while humidity remains relatively steady at 81%. For more details, you can check out Saltillo weather in January.
In comparing the weather between September and February, September is characterized by significantly warmer temperatures, with average highs reaching up to 34°C (94°F) compared to February's maximum of 33°C (92°F). However, February enjoys cooler minimum temperatures, dropping to 15°C (59°F), while September's temperatures rarely fall below 22°C (72°F). Precipitation levels are also markedly different; September sees a substantial 248 mm (9.8 in) spread over 26 days, resulting in a much wetter atmosphere, while February experiences only 53 mm (2.1 in) over 10 days. Humidity levels are akin in both months, hovering around 79-80%. For more detailed insights, you can explore Saltillo weather in February.
In comparing the weather of September and March, we can observe distinct differences. September boasts higher temperatures with a minimum of 22°C (72°F) and an average of 27°C (81°F), while March has cooler temperatures, starting at a minimum of 16°C (61°F) and averaging 25°C (77°F). The peak temperatures in March can reach up to 36°C (97°F), slightly higher than September's maximum of 34°C (94°F). However, September is notably wetter, receiving 248 mm (9.8 in) of precipitation over 26 days, compared to March's mere 34 mm (1.3 in) over just 7 days. Humidity levels remain comparable, with September at 79% and March at 76%. For more specific details, you can check Saltillo weather in March.
In comparing the weather between September and April, we see distinct differences. September tends to be warmer with minimum temperatures around 22°C (72°F) and an average of 27°C (81°F), peaking at 34°C (94°F). It is also characterized by higher precipitation, totaling 248 mm (9.8 in) across 26 days, and a humidity level of 79%. In contrast, April is slightly cooler with minimum temperatures of 18°C (65°F) and can reach highs of 38°C (100°F), but it experiences significantly less rainfall, averaging only 30 mm (1.2 in) over just 6 days. The humidity is relatively lower at 74%. For a more detailed look at April conditions, visit Saltillo weather in April.
When comparing the weather in September and May, some notable differences emerge. September features warmer temperatures, with averages around 27°C (81°F) but can reach highs of 34°C (94°F). The month is also characterized by significant rainfall, receiving about 248 mm (9.8 in) over 26 days, contributing to a higher humidity level of 79%. In contrast, May tends to be slightly cooler, with an average temperature of 28°C (83°F) and a maximum that can soar to 38°C (100°F). However, it experiences much less precipitation, totaling just 55 mm (2.2 in) over 11 days, and has lower humidity at 74%. For further details, check out Saltillo weather in May.
When comparing the weather in September and June, both months showcase warm temperatures, but June tends to be slightly hotter overall. In June, the minimum temperature averages 23°C (73°F) with a maximum reaching up to 37°C (98°F), while in September, the minimum is a bit lower at 22°C (72°F) and the maximum averages 34°C (94°F). Precipitation is relatively high in both months, with September experiencing 248 mm (9.8 in) over 26 days, compared to June, which sees 234 mm (9.2 in) over 24 days. Additionally, September's humidity is higher at 79%, making it feel more oppressive despite the slightly lower average temperatures. For a closer look at June's weather specifics, you can explore Saltillo weather in June.
When comparing the weather in September and July, both months exhibit similar temperature ranges, with average temperatures hovering around 27°C (81°F). However, July tends to have slightly lower minimum temperatures at 23°C (73°F), while September sees a min of 22°C (72°F). In terms of precipitation, September is notably wetter, receiving 248 mm (9.8 inches) over 26 days, compared to July's 174 mm (6.8 inches) over 24 days. Despite both months having a consistent humidity level of 79%, the higher rainfall in September can lead to a more humid atmosphere overall. For more details about the weather specifics in July, you can check Saltillo weather in July.
The weather in September is quite similar to August, with both months exhibiting the same minimum, average, and maximum temperatures: a minimum of 22°C (72°F), an average of 27°C (81°F), and a maximum of 34°C (94°F). However, September sees slightly higher precipitation at 248 mm (9.8 in) over 26 days compared to August's 221 mm (8.7 in) over 25 days. The humidity levels are also quite comparable, with September recording 79% and August a slightly higher 80%. For more detailed information, you can check Saltillo weather in August.
In comparing the weather between September and October, both months experience warm temperatures, though October is slightly cooler, with a minimum of 19°C (66°F) compared to September's 22°C (72°F). The average temperature drops from 27°C (81°F) in September to 26°C (79°F) in October, while the maximum remains consistent at around 34°C (93-94°F). Precipitation decreases slightly from 248 mm (9.8 in) over 26 days in September to 231 mm (9.1 in) over 22 days in October, and humidity remains quite similar, increasing marginally from 79% to 81%. For more details on what to expect during this time, you can check Saltillo weather in October.
In comparing the weather between September and November, it is evident that September is warmer, featuring a minimum temperature of 22°C (72°F) and an average high of 34°C (94°F). In contrast, November experiences cooler temperatures, with a minimum of 17°C (62°F) and an average maximum of 32°C (90°F). Additionally, September sees significantly more rainfall, totaling 248 mm (9.8 in) over 26 days, whereas November has only 159 mm (6.3 in) over 18 days. Notably, November also has slightly higher humidity at 84% compared to September's 79%. For more details on the weather in November, check out Saltillo weather in November.
In September, the weather is characterized by warmer temperatures, with lows averaging around 22°C (72°F) and highs reaching up to 34°C (94°F). This month also experiences significant rainfall, with 248 mm (9.8 in) of precipitation spread across 26 days, contributing to a high humidity level of 79%. In contrast, December brings cooler temperatures, with minimums of 15°C (60°F) and maximums of 32°C (90°F). Rainfall is markedly less during this month, totaling only 68 mm (2.7 in) over 13 days, and humidity slightly increases to 85%. For more details, check out Saltillo weather in December.
In September, Saltillo experiences a notable shift in weather patterns as the summer gradually transitions into autumn. The average temperature remains pleasantly warm, but with an increased likelihood of rain, this month stands out due to its high precipitation levels and humidity. With rain gracing a majority of the days, the landscape becomes vibrantly lush, offering a refreshing contrast to the drier months that precede it. This blend of warmth and moisture not only refreshes the environment but also invites a sense of rejuvenation. For a deeper dive into the climatic nuances of the region, check out Saltillo Climate.