Last updated: April 22, 2025
In September, Sumidero, Mexico experiences a dynamic climate characterized by a maximum temperature of 28°C (82°F) and an average temperature of 20°C (68°F), providing a warm yet comfortable atmosphere. The month is marked by frequent rainfall, with 224 mm (8.8 in) of total precipitation spread over 24 days, contributing to a high humidity level of 86%. Visitors can expect lush landscapes and vibrant natural scenery, though it's advisable to prepare for wet conditions while enjoying the region's breathtaking beauty.
In September, Sumidero, Mexico, continues its trend of mild temperatures, featuring a minimum of 11°C (51°F) and peaking at a pleasant 28°C (82°F). The average temperature holds steady at 20°C (68°F), much like the preceding months. This consistency hints at a delightful early autumn ambiance, perfect for exploring the region's stunning landscapes. As the summer heat starts to wane, travelers can enjoy the comfortable climate without the extreme fluctuations often seen in the earlier months. The weather in September is an inviting balance of warmth and coolness, making it an ideal time for outdoor adventures or simply soaking in the area's natural beauty.
September in Sumidero, Mexico, marks a significant peak in precipitation, receiving 224 mm (8.8 in) of rainfall over 24 days, making it one of the wettest months of the year. This dramatic uptick follows a notable increase from the drier summer months, particularly August, which recorded 161 mm (6.3 in) of rain across 21 days. This month-to-month progression highlights the transition into the rainy season, where the accumulated rainfall reaches its zenith before gradually tapering off in October, which sees a decrease to 184 mm (7.3 in). The pattern suggests a pronounced wet season, emphasizing the climatic shifts that define the region's weather year-round. Such fluctuations not only impact local ecosystems but also underscore the importance of water management in the area.
September in Sumidero, Mexico, showcases notable humidity levels, marking a transition as the rainy season approaches. With humidity peaking at 86%, it reflects a slight uptick from the summer months, providing a lush and tropical ambiance. This elevation is part of a broader trend, where humidity gradually rises from the drier months of January through April, culminating in a steamy October and November, which reach even higher levels at 90% and 91% respectively. Overall, September stands as a reminder that summer's humidity is still very much present, while hinting at the dampness to come in the fall.
As summer gives way to autumn in Sumidero, Mexico, the UV Index remains notably high, with September maintaining an extreme rating of 14. This continuing intensity is characteristic of the previous months, where the UV Index peaked at 15 during the summer. With a consistent burn time of just 10 minutes, it’s crucial to stay protected from the sun’s rays, even as temperatures begin to cool. After September, a slight decrease to 13 is expected in October, but sun safety should remain a priority. For detailed information on UV exposure throughout the year, check out the Sumidero UV Index.
UV Risk Categories
As summer transitions into fall, September in Sumidero, Mexico, brings a warm embrace of sunshine with 289 hours of daylight. Although this marks a slight dip from the sun-soaked highs of July and May, the overall trend throughout the year reveals a vibrant palette of sunlight that peaks during the summer months. The consistency in sunshine hours suggests that visitors can still enjoy ample daylight for exploration, while the upcoming months promise a gradual return to the more moderate sunshine of October and beyond. With such a rich tapestry of bright days, September remains a delightful time to experience the natural beauty and vibrant culture of Sumidero.
September in Sumidero, Mexico, marks a notable dip in sunny weather, with only an 18% chance of enjoying the sun. This decline follows the summer months of July and August, which see peaks around 30% to 37%. As the year transitions into fall, the likelihood of bright days continues to drop, making September one of the cloudier months. In contrast, March and December showcase the sunniest possibilities, hovering around 53% and 63%, respectively. Therefore, while September might offer its share of enchanting moments, travelers should prepare for more overcast skies than clear sunny afternoons.
In Sumidero, Mexico, September marks a transitional point in daylight duration, with the sun gracing the skies for 12 hours each day. Following a summer of prolonged daylight that peaked at 13 hours in May through July, the days gradually begin to shorten as autumn approaches. This shift reflects a trend observed throughout the year, where daylight duration sees an initial increase until it levels off during the warmer months before tapering off again towards the end of the year. As September unfolds, residents and visitors alike can relish the equilibrium of light, enhancing their experiences in this vibrant region, even as daylight inches lower into the 11-hour span of the upcoming months.
As September arrives in Sumidero, Mexico, the winds begin to mellow, with an average speed of 1.3 m/s (3 mph), slightly less than the summer months. This gentle breeze contributes to the tranquil atmosphere of the region, inviting visitors to explore its stunning landscapes. The wind speeds in Sumidero show a subtle trend of fluctuation over the year, peaking at 1.8 m/s (4 mph) in April, before gradually tapering off into the late summer and early autumn. While the winds may be lighter in September, their soothing presence enhances the beauty of this natural wonder, making it a perfect time for reflection and appreciation of the vibrant surroundings.
The weather in Sumidero 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 Sumidero and find detailed weather information for every month.
September and January present stark contrasts in weather conditions. In September, temperatures range from a mild minimum of 11°C (51°F) to a warm maximum of 28°C (82°F), with an average of 20°C (68°F). The month is characterized by significant rainfall, totaling 224 mm (8.8 in) over 24 days, and an impressive humidity of 86%. In contrast, January experiences 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 reduced to 117 mm (4.6 in) spread over just 14 days, accompanied by slightly higher humidity at 88%. These differences highlight the transition from the damp warmth of late summer to the cooler, drier conditions of the winter months. For a closer look at January weather specifics, visit Sumidero weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of 11°C (51°F) to a maximum of 28°C (82°F), with an average of 20°C (68°F). This month is marked by high precipitation, totaling 224 mm (8.8 in) over 24 days, and persistent humidity at 86%. In comparison, February features cooler temperatures, with a minimum of 5°C (41°F) and an average of 16°C (60°F), while the maximum can reach up to 30°C (87°F). Precipitation is significantly lower, at 107 mm (4.2 in) across 14 days, yet the humidity remains consistently high at 86%. For more details, you can visit Sumidero weather in February.
In comparing the weather patterns of September and March, we notice some distinct differences. September experiences a warmer average temperature of 20°C (68°F), with a maximum of 28°C (82°F) and a notably high humidity level of 86%. This month also sees a substantial amount of precipitation, totaling 224 mm (8.8 in) over 24 days. In contrast, March tends to be cooler with an average temperature of 17°C (63°F), a minimum of 7°C (45°F), and a peak of 30°C (86°F). There is less rainfall in March, amounting to 151 mm (5.9 in) over only 13 days, and a slightly lower humidity level of 84%. For more detailed information about the weather in March, you can check Sumidero weather in March.
In September, temperatures range from a minimum of 11°C (51°F) to a maximum of 28°C (82°F), with an average of 20°C (68°F). The month is characterized by significant rainfall, totaling 224 mm (8.8 in) across 24 days, and a high humidity level of 86%. In contrast, April experiences warmer temperatures, with a minimum of 8°C (47°F) and a peak of 33°C (91°F), averaging 19°C (66°F). Rainfall in April is lighter, with 175 mm (6.9 in) expected over 18 days, and the humidity is slightly lower at 81%. For more specific weather information in April, you can check Sumidero weather in April.
When comparing the weather in September and May, both months exhibit similar average temperatures, around 20°C (68°F), with a minimum of 11°C (51°F) in September and 11°C (52°F) in May. However, May tends to be slightly warmer on average with a maximum of 30°C (86°F) compared to September's maximum of 28°C (82°F). In terms of precipitation, May experiences more rain, totaling 278 mm (10.9 in) over 22 days, while September sees 224 mm (8.8 in) spread across 24 days. Humidity levels are comparable, with September at 86% and May slightly lower at 82%. For more detailed information on weather patterns in May, you can visit Sumidero weather in May.
When comparing the weather in September and June, both months exhibit similar average temperatures, hovering around 20°C (68°F). However, September experiences slightly cooler minimum temperatures, averaging 11°C (51°F), while June starts a bit warmer at a minimum of 12°C (54°F). Precipitation levels are notably higher in June, with 301 mm (11.9 in) of rainfall compared to September’s 224 mm (8.8 in). Both months have 24 days of rainfall, but June's higher humidity at 81% gives it a more humid feel compared to September's 86%. For a detailed look at June weather, you can visit Sumidero weather in June.
When comparing the weather in September to that of July, notable differences emerge. September experiences slightly warmer temperatures, with an average of 20°C (68°F) compared to July's 19°C (67°F), and a higher maximum temperature of 28°C (82°F) versus July's 27°C (81°F). However, September is considerably wetter, receiving 224 mm (8.8 in) of precipitation over 24 days, while July sees only 111 mm (4.4 in) across 17 days. Additionally, the humidity is higher in September at 86%, compared to July's 81%. These factors contribute to a more humid and rain-prone atmosphere in September. For more detailed insights, you can refer to Sumidero weather in July.
In comparing the weather of September and August, we find that both months share similar temperature ranges, with minimums at 11°C (51°F), average temperatures around 20°C (68°F), and maximums reaching 28°C (82°F). However, September is notably wetter, receiving 224 mm (8.8 in) of precipitation over 24 days, compared to August, which experiences 161 mm (6.3 in) over just 21 days. Additionally, September has a slightly higher humidity level at 86%, while August's humidity sits at 82%. For more detailed information on August's weather, you can visit Sumidero weather in August.
September and October exhibit some notable differences in weather patterns. September typically features a minimum temperature of 11°C (51°F) and an average of 20°C (68°F), while October sees slightly cooler temperatures, with a minimum of 9°C (48°F) and an average of 19°C (66°F). Despite both months having a maximum temperature of around 28°C (82°F to 83°F), October experiences less rainfall, totaling 184 mm (7.3 in) over 21 days compared to September's 224 mm (8.8 in) over 24 days. Additionally, humidity rises in October to 90%, up from 86% in September. For more specific weather details, check out Sumidero weather in October.
In September, the weather is generally warmer, with average temperatures around 20°C (68°F) and highs reaching up to 28°C (82°F). However, this month also experiences significant rainfall, with about 224 mm (8.8 in) of precipitation across 24 days, contributing to an average humidity of 86%. In contrast, November brings cooler temperatures, with an average of 16°C (62°F) and a maximum of 26°C (80°F). Rainfall is reduced to 133 mm (5.2 in) over 17 days, although humidity rises slightly to 91%. For more detailed information on November weather, you can visit Sumidero weather in November.
September and December present contrasting weather patterns. In September, temperatures range from a cool 11°C (51°F) to a warm 28°C (82°F), with an average of 20°C (68°F). This month also experiences significant rainfall, totaling 224 mm (8.8 in) over 24 days, alongside relatively high humidity at 86%. In contrast, December features a lower temperature range with a minimum of 2°C (35°F) and a maximum of 27°C (81°F), averaging 15°C (59°F). Precipitation is notably less during this month, amounting to 93 mm (3.7 in) over just 13 days, while humidity slightly increases to 91%. For more detailed information on the weather during this time, check out Sumidero weather in December.
In September, Sumidero experiences notably cooler temperatures and a significant uptick in precipitation, setting it apart from the drier, warmer months preceding it. With an average temperature hovering around a comfortable 20°C (68°F) but frequently dipped by refreshing evenings, the humidity remains high at 86%, creating a lush and vibrant atmosphere. This month is marked by almost daily rain, contributing to a total of 224 mm (8.8 in) over the course of 24 days. As the region transitions into autumn, the effects of this climatic shift foster a unique charm, making September a distinctive time to explore Sumidero Climate.