Last updated: April 22, 2025
In September, Saltillo, Mexico, experiences a transition into the autumn season characterized by a mild climate. Daily temperatures peak at a comfortable 26°C (79°F), with an average hovering around 18°C (65°F), and dipping to a cool 11°C (53°F) at night. The city receives significant rainfall, with a total precipitation of 262 mm (10.3 in) over approximately 27 days, leading to a notably humid environment at 77% humidity. This climatic combination creates a lush landscape and a vibrant atmosphere, making September a unique time to experience Saltillo's natural beauty.
In September, Saltillo experiences mild temperatures that mark the transition into autumn. With minimums around 11°C (53°F) and maximums reaching 26°C (79°F), the city enjoys a comfortable average of 18°C (65°F). This month is characterized by a gentle decline in temperatures compared to the summer peaks, providing an ideal climate for outdoor activities. The gradual change signifies a retreat from the hotter months of July and August, as Saltillo begins to embrace the cooler air of fall. The cozy warmth of early mornings and evenings perfectly complements the pleasant afternoons, making September a delightful time to explore this vibrant region.
In September, Saltillo, Mexico, experiences a notable surge in precipitation, receiving 262 mm (10.3 in) of rainfall over 27 days—making it one of the wettest months of the year. This significant drop in dry days coincides with the tail end of the rainy season, following the intense downpours of June, which records the highest precipitation at 331 mm (13.0 in). The trend reveals a stark contrast from the drier months at the beginning of the year, with January to April typically accumulating less than 80 mm each. As summer progresses into autumn, the rainfall peaks, fueled by summer storms, showcasing Saltillo's transition from arid conditions to a lush, vibrant landscape by September.
In Saltillo, Mexico, September ushers in a noticeable uptick in humidity, reaching 77%. This increase follows a gradual ascent from the drier months of April and May, where humidity dipped to just 52% and 53%, respectively. As summer gives way to autumn, residents experience a rise from the brisk 61% in July to a more humid 71% in August, culminating in September's figure. This trend reflects the city’s transition to a more humid climate as the year progresses, with humidity peaking again in the closing months—October's 78% and December's 86%. The overall pattern showcases a clear seasonal shift, suggesting that while September brings moister air, the upcoming months will only amplify this sense of dampness.
In September, Saltillo, Mexico, continues to experience an extreme UV Index of 14, a trend consistent with the summer months, which range from an Index of 15 in the earlier months to 14 in August. This high level means sun exposure remains a concern, as the burn time is still a brief 10 minutes. Following September, a slight dip occurs in October, with a UV Index of 13, but proactive sun protection is crucial throughout this period. Visitors and locals alike should remain vigilant to safeguard against sunburn while enjoying the vibrant outdoor activities in this region. For more detailed information on UV levels throughout the year, check the Saltillo UV Index.
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In September, Saltillo enjoys a delightful 298 hours of sunshine, a warm embrace as summer begins to wane. This month stands as a testament to the region's charming transition, following a vibrant August with 322 hours of sunny days and preceding the slightly cooler and sunnier October at 300 hours. Analyzing the year, we see that sunshine peaks in the heart of summer, particularly in July with 332 hours, creating a vivid backdrop for outdoor activities. The steady evolution of daylight hours reflects a rhythmic pattern, inviting both residents and visitors to bask in the beauty of Saltillo's sunny disposition as the seasons change.
In Saltillo, Mexico, September brings a modest 17% chance of sunny weather, aligning with the low trends seen in the preceding months of summer, where July and August also reported similarly slim chances of sun. As the city transitions into autumn, this relatively overcast trend is reflected in the gradual increase observed in the later months, with October and November rising to 26%. The overall trend suggests that while September may not be the sunniest month, it's a pivotal point as Saltillo begins to shift towards more favorable weather conditions in the coming months.
In Saltillo, Mexico, the month of September boasts a daylight duration of 12 hours, maintaining the extended sunlight of the summer months. This pattern reflects a stable trend that begins in March, when daylight starts to increase, peaking in June with 13 hours. Following this peak, the daylight duration gradually tapers off, mirroring the seasonal transition into autumn with shorter days ahead in October. This consistent daylight gives September a moderate yet pleasant atmosphere, perfect for outdoor activities as the vibrant colors of late summer begin to shift.
As September rolls into Saltillo, Mexico, the winds begin to whisper a gentle lull, with an average speed of 1.4 m/s (3 mph), marking a notable dip from the livelier months of summer. This transition signals a subtle shift in the atmosphere, as the breezes soften after the more robust currents of July and August, which both boasted speeds of around 2.1 m/s (5 mph). Throughout the year, wind speeds fluctuate, with the spring months featuring a slight uptick in activity; however, September embraces a calmer demeanor, likely inviting locals to savor the tranquil beauty of the changing season. As winter approaches, one can't help but feel the anticipation of cooler days ahead, gently teased by the soft September winds.
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 present contrasting weather patterns. In September, temperatures range from a minimum of 11°C (53°F) to a maximum of 26°C (79°F), with an average of 18°C (65°F). This month is characterized by significant rainfall, with 262 mm (10.3 in) of precipitation spread over 27 days, and humidity levels averaging 77%. In contrast, January boasts cooler temperatures, with a minimum of 3°C (38°F) and an average of 14°C (58°F), peaking at 27°C (81°F). Precipitation is markedly lower at 64 mm (2.5 in) over just 13 days, and humidity rises slightly to 84%. For more detailed insights into January weather, visit Saltillo weather in January.
In comparing the weather of September and February, notable contrasts emerge. September experiences warmer temperatures with a minimum of 11°C (53°F) and an average of 18°C (65°F), peaking at 26°C (79°F). It is also characterized by significant precipitation, with 262 mm (10.3 in) spread over 27 days and humidity levels at a high 77%. In contrast, February presents cooler conditions, with a minimum temperature of 5°C (41°F) and a slightly higher average of 15°C (60°F), but it can reach up to 29°C (84°F). Precipitation in February is much lighter, at only 43 mm (1.7 in) across 11 days, with humidity slightly lower at 73%. For more detailed insights, you can refer to Saltillo weather in February.
In comparing the weather between September and March, we see notable differences. September has a milder average temperature of 18°C (65°F), with maximums reaching 26°C (79°F), contrasted with March’s average of 16°C (62°F) and maximums climbing to 29°C (84°F). September is considerably wetter, receiving 262 mm (10.3 in) of precipitation over 27 days, while March experiences much drier conditions with only 36 mm (1.4 in) over 8 days. Additionally, humidity levels are higher in September at 77%, compared to 59% in March, making the latter month feel less muggy. For more detailed information, visit Saltillo weather in March.
September weather in Saltillo is characterized by milder temperatures, with averages around 18°C (65°F) and maximums reaching 26°C (79°F). However, it also brings significant rainfall, totaling 262 mm (10.3 in) over 27 days, along with high humidity at 77%. In contrast, April experiences slightly cooler minimum temperatures at 7°C (44°F) and warmer maximums that can soar up to 31°C (88°F), resulting in an average temperature still around 18°C (65°F). Additionally, April is much drier, with only 79 mm (3.1 in) of precipitation over 13 days and lower humidity at 52%. This stark difference in precipitation and humidity makes September feel much wetter and more humid than the warm, dry conditions typical of April. For more detailed information, check Saltillo weather in April.
September and May present contrasting weather patterns. September, with an average temperature of 18°C (65°F) and highs reaching 26°C (79°F), experiences significantly higher precipitation at 262 mm (10.3 in) over 27 days, contributing to a humidity level of 77%. In contrast, May offers slightly warmer conditions with an average temperature of 19°C (67°F) and maximums soaring to 31°C (88°F). It also sees less rainfall, amounting to 196 mm (7.7 in) over 24 days, and a notably lower humidity level of 53%. For a detailed look at the climate in May, check out Saltillo weather in May.
In comparing the weather between September and June, both months experience similar minimum temperatures, hovering around 11°C (52-53°F), and average temperatures that are closely aligned, with September averaging 18°C (65°F) and June slightly warmer at 18°C (66°F). However, June typically sees a higher maximum temperature of 29°C (85°F) compared to September's max of 26°C (79°F). Precipitation is more pronounced in both months, with June receiving 331 mm (13.0 in) of rain over 27 days, while September has 262 mm (10.3 in) over the same number of days. Additionally, June has notably lower humidity at 55%, contrasted with September's higher humidity of 77%. For more specific details about June weather, you can visit Saltillo weather in June.
In comparing the weather between July and September, we see some notable differences despite their similar average temperatures. July features a minimum temperature of 10°C (50°F) and a maximum of 26°C (79°F), with an average of 18°C (64°F). The month experiences less precipitation at 114 mm (4.5 in) over 22 days and lower humidity at 61%. In contrast, September has a slightly cooler minimum of 11°C (53°F) but the same maximum of 26°C (79°F), with a higher average of 18°C (65°F). However, it brings significantly more rain, totaling 262 mm (10.3 in) across 27 days, and a higher humidity level of 77%. This shift indicates a more humid and wetter environment in September compared to the relatively drier conditions of July. For more details, check out Saltillo weather in July.
In comparing the weather between September and August, we see that September experiences slightly cooler temperatures, with a minimum of 11°C (53°F) compared to August's 10°C (50°F) and a maximum of 26°C (79°F) versus August's 27°C (81°F). Both months have the same average temperature of 18°C (65°F). However, September is significantly wetter, receiving 262 mm (10.3 in) of precipitation over 27 days, while August has less rain at 191 mm (7.5 in) over 24 days. Additionally, September has a higher humidity level at 77%, compared to August's 71%. For more details on August's weather, you can check Saltillo weather in August.
September and October exhibit mild temperatures but with notable differences in precipitation and overall weather patterns. In September, the average temperature hovers at 18°C (65°F), with highs reaching up to 26°C (79°F) and lows around 11°C (53°F). However, this month experiences significant rainfall, totaling 262 mm (10.3 in) over 27 days, resulting in high humidity levels at 77%.
In contrast, October sees a slight decrease in minimum temperature to 9°C (49°F), while the average remains the same at 18°C (64°F). The maximum temperature rises to 27°C (81°F). Notably, precipitation decreases to 227 mm (8.9 in) over 24 days, slightly lowering humidity to 78%.
For a more detailed look at the weather patterns in October, you can visit Saltillo weather in October.
In September, the weather tends to be milder, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 26°C (79°F) and an average temperature of 18°C (65°F). However, this month experiences significantly more precipitation, totaling 262 mm (10.3 in) over 27 days, paired with a humidity level of 77%. In contrast, November features cooler temperatures, with a minimum of 5°C (42°F) and a similar maximum of 26°C (80°F), but a lower average of 16°C (61°F). Additionally, November sees less rainfall, with only 103 mm (4.1 in) over 16 days, although humidity slightly increases to 82%. For more details, you can visit Saltillo weather in November.
In September, the weather is marked by milder temperatures, with an average of 18°C (65°F) and highs reaching up to 26°C (79°F). The month experiences significant rainfall, totaling 262 mm (10.3 in) over 27 days, contributing to a humidity level of 77%. In contrast, December presents cooler conditions, with a lower minimum temperature of 2°C (36°F) and a similar maximum of 26°C (79°F). However, the average temperature drops to 15°C (59°F). Rainfall is significantly reduced to just 52 mm (2.0 in) over 12 days, and humidity slightly increases to 86%. For more specifics on December weather, you can check Saltillo weather in December.
As September rolls into Saltillo, the weather transforms into a unique blend of warm days and cool evenings, creating a refreshing respite compared to the hotter months that precede it. With an average temperature hovering around a comfortable 18°C, it’s a perfect time for outdoor activities, although the increased humidity and significant rainfall make it one of the wettest months of the year. The landscape becomes vibrant with lush greenery, while 27 days of precipitation add to the charm of this transitional period. Experience the allure of Saltillo's September weather, and for a deeper understanding of what the region offers throughout the year, check out Saltillo Climate.