Last updated: April 22, 2025
In September, El Bajio, Mexico, experiences a dynamic climate characterized by warm temperatures and significant rainfall. Maximum temperatures can soar to 35°C (96°F), while the average hovers around 26°C (80°F), offering a comfortable, tropical vibe. However, the cooler evenings bring temperatures down to a minimum of 21°C (70°F). The region sees considerable precipitation, with 213 mm (8.4 in) of rainfall spread over 22 days, contributing to a lush landscape. With humidity levels reaching 84%, the atmosphere can feel quite tropical, making it a unique time for visitors to experience the vibrant culture amid nature’s bounty.
In September, El Bajio, Mexico, experiences a blend of warmth and comfort, with temperatures typically ranging from a minimum of 21°C (70°F) to a maximum of 35°C (96°F). This month mirrors the trends of late summer, maintaining an average of 26°C (80°F), which is pleasantly mild compared to the sweltering highs of earlier months like April and May. Interestingly, while the maximum temperatures begin to taper off from their summer peak, the nights remain warm, ensuring a cozy and inviting atmosphere. As September unfolds, it signals a gradual transition towards the cooler days of autumn, yet it still offers ample warmth for outdoor activities and exploration.
September in El Bajio, Mexico typically marks a notable shift in the region's wet season, characterized by significant precipitation. With an impressive 213 mm (8.4 in) of rain falling over 22 days, September maintains its status as a month marked by considerable rainfall, though slightly less than the peak months of June and August. This pattern reflects a gradual tapering off from the summer deluges, setting the stage for October, which typically sees an even higher accumulation of 249 mm (9.8 in). As the month progresses, the rainfall days reduce, hinting at a transition towards drier conditions ahead. The consistent precipitation throughout these months not only sustains the lushness of the region but also serves as a vital resource for agriculture, illustrating the dynamic interplay between weather and livelihood in El Bajio.
In September, El Bajio, Mexico, experiences a notable rise in humidity, reaching 84%, which ties with January for the highest of the year. As summer transitions into fall, the humidity fluctuates throughout the months, starting from a moderate 67% in April and peaking at 80% in August. The re-emergence of high humidity levels in September suggests a lingering warmth and moisture from the summer, setting the stage for the wetter months ahead. Following September, the humidity continues to climb, peaking at 89% in October and remaining high through the winter, indicating a notable trend of increasing moisture as the year progresses.
As the summer fades into September, El Bajio, Mexico continues to experience a notably high UV Index, registering at 13—an extreme exposure category with a minimal burn time of just 10 minutes. This consistency in elevated UV levels throughout the months emphasizes the importance of sun protection during this time, mirroring the trends established in July and August when the index peaked. Protecting your skin from the sun’s harmful rays remains crucial, as the UV Index remains extreme until October, where it slightly decreases to 11. For more insights on UV levels and safety tips, explore El Bajio UV Index.
UV Risk Categories
In September, El Bajio, Mexico, enjoys a delightful escape from the summer heat with 284 hours of sunshine, marking a smooth transition into fall. This month sits comfortably between the vibrant days of August, which basked in 304 hours of golden rays, and the softer glow of October, at 281 hours. The gradual decline in sunshine hours from a peak in May indicates the approaching cooler months, yet September still offers a generous dose of sunlight, ideal for outdoor adventures amidst the picturesque landscapes. As summer lingers just a bit longer, visitors and locals alike can revel in the warm, sunny days that characterize this beautiful region.
In El Bajio, Mexico, September brings a notable decline in sunny weather, with chances of sun plummeting to just 14%. This low probability continues a trend observed from the summer months, where June, July, and August also feature diminished sunlight, suggesting that the region transitions into a wetter season as the year progresses. Following the peak in sun exposure during the spring months, September reflects the shift towards fall, making it one of the cloudier times of the year. Those planning a trip might want to consider the chance of rain and consider indoor activities, as September stands out as one of the least promising months for sunshine in this vibrant region.
In El Bajio, Mexico, the sunlight begins to wane as September arrives, offering a 12-hour day that mirrors the longer days of the preceding summer months. The trend from June through August showcases a gradual peak of 13 hours, as long, sun-drenched days captivate locals and visitors alike. However, as the transition into fall takes hold, daylight durations decrease slightly, settling back to 12 hours in September before dipping again in October. This seasonal shift reflects the region's rhythmic embrace of both light and darkness, transitioning smoothly from the vibrant summer to the cooler months ahead.
As September unfolds in El Bajio, Mexico, the winds begin to whisper a gentle change, with an average speed of 3.4 m/s (8 mph). While this marks a slight increase compared to the calmer days of August, where winds barely kissed the air at 3.1 m/s (7 mph), September's breezes remain soft, straying from the more robust gusts experienced earlier in spring. The month reflects a transitional period, hinting at the approach of autumn, as wind speeds gradually rise from the languid lows of summer but still remain below the invigorating currents of spring. This subtle uptick fosters a refreshing ambiance, making September a delightful time for outdoor adventures, where every light breeze can be savored beneath the clear skies.
The weather in El Bajio 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 El Bajio and find detailed weather information for every month.
September and January present contrasting weather patterns. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 35°C (96°F), with an average of 26°C (80°F). The month sees significant rainfall, totaling 213 mm (8.4 in) over 22 days, and maintains a high humidity level of 84%. Conversely, January offers much cooler conditions, with temperatures dipping to a minimum of 11°C (53°F) and peaking at 34°C (93°F), averaging 22°C (71°F). Precipitation is significantly lower in January, amounting to only 44 mm (1.7 in) across 13 days, while humidity remains consistent at 84%. For more details on January weather, check out El Bajio weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a warm minimum of 21°C (70°F) to an average of 26°C (80°F), peaking at a hot 35°C (96°F), accompanied by a significant rainfall of 213 mm (8.4 in) over 22 days, resulting in a high humidity level of 84%. In contrast, February offers a cooler climate, with temperatures dipping to a minimum of 12°C (54°F) and averaging 23°C (74°F), while still reaching a maximum of 35°C (95°F). The month sees much less precipitation, at just 38 mm (1.5 in) over 8 days, and a slightly lower humidity of 80%. For more details, you can check El Bajio weather in February.
In comparing the weather of September and March, we see notable differences. September typically experiences warmer temperatures, with averages around 26°C (80°F) and highs soaring to 35°C (96°F), while March is cooler, featuring an average of 25°C (77°F) and maximums reaching 37°C (98°F). However, September is marked by high humidity levels at 84% and significant rainfall, averaging 213 mm (8.4 in) over 22 days, compared to the much drier March, which boasts only 30 mm (1.2 in) of precipitation over 8 days and lower humidity at 73%. For a more detailed look, check out El Bajio weather in March.
In September, the weather tends to be quite warm, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 35°C (96°F) and an average of 26°C (80°F). However, it is also characterized by high humidity at 84% and significant precipitation, as the month experiences about 213 mm (8.4 in) of rain spread over 22 days. In contrast, April offers slightly cooler temperatures, with a minimum of 17°C (63°F) and a maximum that can reach up to 39°C (103°F), averaging around 27°C (81°F). Notably, April is much drier, with only 29 mm (1.1 in) of rainfall over 5 days and lower humidity at 67%. For more information, you can explore El Bajio weather in April.
When comparing the weather in September and May, several notable differences emerge. September generally features a wider temperature range, with minimums around 21°C (70°F) and maximums reaching up to 35°C (96°F), while May offers a slightly lower minimum of 18°C (65°F) and a higher maximum of 39°C (103°F). May also tends to be drier, with only 56 mm (2.2 in) of precipitation over 9 days, compared to September's heavier rainfall of 213 mm (8.4 in) spread over 22 days. Additionally, humidity levels in September are higher at 84%, making it feel more muggy, while May records a more comfortable 72%. For a detailed overview of weather in this region during May, you can refer to El Bajio weather in May.
When comparing the weather in September and June, both months experience warm temperatures, with September averaging a slightly cooler 26°C (80°F) compared to June's 27°C (81°F). However, June can reach higher maximum temperatures, peaking at 39°C (102°F), while September's maximum is 35°C (96°F). Precipitation levels are also notable, with September receiving 213 mm (8.4 in) over 22 days and June slightly higher at 238 mm (9.4 in) over 21 days. Additionally, September is more humid, averaging 84% compared to June's 73%. For more detailed insights on June's weather, you can check out El Bajio weather in June.
In July, the weather tends to be slightly warmer with an average temperature of 27°C (80°F) and a maximum reaching 36°C (97°F), compared to September's average of 26°C (80°F) with a peak at 35°C (96°F). Both months experience relatively high humidity, though September is more humid at 84%, while July has a lower humidity level of 76%. Rainfall is also more prevalent in September, with 213 mm (8.4 in) over 22 days, compared to July's 166 mm (6.5 in) across 24 days. For more detailed insights on July weather, you can check El Bajio weather in July.
In comparing the weather of September to August, both months exhibit similar temperature ranges, with September experiencing a minimum of 21°C (70°F), an average of 26°C (80°F), and a maximum of 35°C (96°F), while August boasts a slightly higher maximum of 36°C (97°F). Precipitation levels are also notable, with September receiving 213 mm (8.4 in) over 22 days, compared to August's 227 mm (8.9 in) across 25 days. Additionally, September's humidity is slightly higher at 84%, while August maintains a comfortable 80%. For more details, you can check El Bajio weather in August.
September and October present a notable shift in weather conditions. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 35°C (96°F), with an average of 26°C (80°F). The month sees significant rainfall, accumulating 213 mm (8.4 in) over 22 days, accompanied by high humidity levels at 84%. In contrast, October features slightly cooler temperatures, with a minimum of 17°C (63°F) and a maximum of 34°C (93°F), averaging 25°C (78°F). Rainfall increases to 249 mm (9.8 in) over 20 days, while humidity rises to 89%. This transition showcases October as a wetter month, albeit with slightly cooler temperatures. For more details, check out El Bajio weather in October.
In September, the weather is significantly warmer with minimum temperatures around 21°C (70°F) and averages reaching 26°C (80°F), peaking at a scorching 35°C (96°F). This month also experiences high humidity levels at 84% and considerable precipitation of 213 mm (8.4 in) over 22 days, making it one of the wetter months. In contrast, November sees a drop in temperatures, with a minimum of 13°C (56°F) and an average of 23°C (74°F), while still allowing for warm days with a maximum of 34°C (93°F). Precipitation is notably lower in November, with only 74 mm (2.9 in) across 14 days, and humidity slightly increases to 88%. For a detailed look at what to expect, check out El Bajio weather in November.
In September, the weather is significantly warmer, with average temperatures around 26°C (80°F) and highs reaching up to 35°C (96°F). This month experiences high humidity at 84% and considerable rainfall, totaling 213 mm (8.4 in) over 22 days. In contrast, December brings cooler temperatures, with an average of 22°C (72°F) and maximums of 34°C (94°F). The precipitation drops dramatically to 38 mm (1.5 in) over just 10 days, while humidity slightly increases to 88%. For more specific details on December weather conditions, you can refer to the following link: El Bajio weather in December.
As September settles in El Bajio, the weather showcases a shift towards increased humidity and substantial rainfall, distinguishing it from the drier months. With temperatures soaring to a maximum of 35°C and an average of 26°C, the warmth is complemented by occasional relief from the persistent showers, totaling 213 mm over 22 days. This month truly embraces the lush greenery that follows, painting a stark contrast to the preceding weeks of hotter and drier conditions. For a deeper understanding of how these climatic changes shape the region, explore the insights available at El Bajio Climate.