Last updated: August 21, 2025
September in Sumpango, Guatemala presents a unique blend of mild temperatures and substantial rainfall. Average daily highs reach 28°C (82°F), while nights cool down to a comfortable 11°C (53°F), leading to an overall average of 19°C (67°F). This month is characterized by high humidity levels around 82%, creating a lush environment nourished by an impressive 190 mm (7.5 in) of precipitation spread over 25 days. Visitors can expect a vibrant landscape and a chance to experience the rich cultural backdrop of this charming town amidst frequent, refreshing showers.
In September, Sumpango, Guatemala experiences a mild transition into autumn, with temperatures showcasing a gradual cooling trend. The minimum temperature dips to a comfortable 11°C (53°F), while the average remains steady at 19°C (67°F), consistent with the latter months of the rainy season. Highs reach a modest 28°C (82°F), slightly cooler than the summer peak, yet still inviting for outdoor activities. This month marks a shift as the region balances pleasant warmth against refreshing breezes, making it an ideal time for visitors to explore the vibrant local culture and stunning landscapes. As the rainy season continues, the lush greenery enhances the charm of Sumpango, beckoning travelers to enjoy the serene beauty of this captivating destination.
In September, Sumpango, Guatemala experiences a significant uptick in precipitation, with 190 mm (7.5 in) of rain falling over 25 days. This marks a continuation of the rainy season, which began earlier in the year, and reflects a peak in moisture accumulation following the heavy rains of May and June. Notably, September's rainfall is slightly lower than that of October, indicating a gradual transition in weather patterns as the region moves toward the dryer months. The intense frequency of rain during this month highlights the lush, verdant landscapes characteristic of Sumpango, nurturing both the local agriculture and the vibrant ecosystem. Overall, September stands out as a critical month in the region's annual rainfall cycle, setting the stage for the seasonal shifts to come.
In September, Sumpango, Guatemala, experiences a hallmark of its tropical climate, with humidity levels peaking at 82%, identical to the preceding month of August. This consistency in high humidity is part of a broader trend observed during the rainy season, where levels begin to rise significantly starting in June. Following the drier months of January to April, which record notably lower humidity—plummeting to 57% in April—the air becomes increasingly saturated. This gradual increase peaks in September, further rising to 83% in October, illustrating the region's transition into its wetter period. Overall, this fluctuation reflects the area's distinctive seasonal rhythm, providing a lush backdrop to the vibrant culture of Sumpango.
In September, Sumpango, Guatemala maintains a notably high UV Index of 14, placing it firmly in the extreme exposure category with a burn time of just 10 minutes. This trend of elevated UV levels extends throughout the year, with many months recording indices between 13 and 15, indicating a consistent risk of overexposure to sunlight. As the region transitions into the later part of the year, it is clear that residents and visitors alike should remain vigilant and proactive in sun protection measures. For more detailed insights and real-time updates on UV levels, check out Sumpango UV Index.
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In September, Sumpango, Guatemala, enjoys a delightful 293 hours of sunshine, marking a slight dip from the vibrant summer months of July and August, which boast 318 and 311 hours respectively. This trend of abundant sunlight from March onward highlights the region's transition into autumn, characterized by consistently high sun exposure, peaking in March with an impressive 319 hours. While the sunny days begin to wane as fall approaches, September's glow still invites outdoor adventures, offering a pleasant respite before the cooler, cloudier months ahead. Overall, the sunshine in Sumpango reflects a captivating rhythm of light that dances beautifully throughout the year.
In Sumpango, Guatemala, September marks a notable dip in sunny weather with only a 20% chance of clear skies. This trend is part of a broader pattern where the months leading up to September, especially May through August, show a significant decrease in sunlight, dropping as low as 13% in June and 16% in August. As the rainy season peaks during this period, the lush landscape flourishes, but the opportunities for sunbathing diminish. Fortunately, as September transitions into October, the likelihood of sunshine starts to recover to 34%, hinting at brighter days ahead. Thus, while September may not be the ideal month for sun seekers, it offers a beautiful, vibrant backdrop in the heart of Guatemala's rainy season.
In Sumpango, Guatemala, September marks a continuation of a consistent trend in daylight duration, offering 12 hours of sunlight each day. This stability, part of a broader pattern that begins in March and extends through August, reflects relatively mild fluctuations in daylight throughout the year. As the seasons transition, October ushers in a slight decrease to 11 hours, but the lingering warmth of the extended daylight period in September encourages vibrant outdoor activities and connection to the natural beauty of the region. This consistent daylight not only enhances the daily rhythm of life but also invites locals and visitors alike to savor the bountiful landscapes under the sun's golden glow.
In September, the winds in Sumpango, Guatemala take on a gentle whisper, with an average speed of 1.5 m/s (3 mph), marking a noticeable decline from the breezier months of summer. This seasonal shift mirrors a broader trend throughout the year; after a peak in March and November, when winds roar at around 2.4 m/s (5 mph), the summer months bring a tranquil calm, especially in June and July. As autumn approaches, the winds become progressively lighter, creating a serene atmosphere that perfectly complements the beautiful landscapes of Sumpango. This calming tendency in September not only invites peaceful reflections but also hints at the transition towards the more dynamic winds of the later months, ensuring a harmonious balance in the region's climate.
Weather in Sumpango varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sumpango, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present quite different weather experiences. In September, temperatures range from a cool 11°C (53°F) at night to a warm average of 19°C (67°F) during the day, peaking at 28°C (82°F). This month is also marked by high humidity at 82% and significant rainfall, with about 190 mm (7.5 in) accumulating over 25 days, making it quite a wet month. In contrast, January features a slightly cooler temperature range, with minimums of 6°C (43°F) and an average of 17°C (62°F), while the maximum can reach 29°C (85°F). The month sees significantly less precipitation, with only 11 mm (0.4 in) over just 3 days and a lower humidity of 76%. For more detailed information about the weather in January, you can check Sumpango weather in January.
September and February present distinct weather patterns. September typically experiences a mild temperature range, with minimums around 11°C (53°F) and maximums reaching up to 28°C (82°F), while the average hovers at 19°C (67°F). However, it is characterized by high humidity at 82% and significant rainfall, with 190 mm (7.5 in) of precipitation over 25 days, making it one of the wetter months of the year.
In contrast, February shows a slight decrease in minimum temperatures to about 8°C (47°F) and a similar average temperature of 18°C (65°F), but it can peak at a higher maximum of 30°C (86°F). Notably, February is much drier, with only 7 mm (0.3 in) of rain falling on just one day, and humidity levels dropping to 68%. For more detailed insights about weather during this month, you can visit Sumpango weather in February.
In September, the weather tends to be cooler and more humid, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 28°C (82°F) and an average of 19°C (67°F). This month sees significant precipitation, averaging 190 mm (7.5 in) over roughly 25 days, which contributes to the elevated humidity of 82%. In contrast, March experiences warmer temperatures, with a minimum of 9°C (48°F) and a maximum of 31°C (87°F), while maintaining a similar average of 19°C (66°F). Notably, March is much drier, with only 8 mm (0.3 in) of rainfall over just 1 day, resulting in lower humidity at 59%. For more specific information about March weather, you can visit Sumpango weather in March.
In comparison to September, April tends to be warmer, with average temperatures around 20°C (69°F) and maximums reaching up to 31°C (88°F). September, on the other hand, has a cooler average temperature of 19°C (67°F) and less extreme highs of 28°C (82°F). Notably, April experiences significantly less rainfall, with only about 50 mm (2.0 in) over just 9 days, while September is much wetter, receiving 190 mm (7.5 in) across 25 days. Additionally, humidity levels are noticeably lower in April at 57% compared to the high humidity of 82% in September. For more specific details on the weather during this month, you can visit Sumpango weather in April.
When comparing the weather in September and May, several key differences emerge. September typically experiences lower average temperatures, ranging from a minimum of 11°C (53°F) to a maximum of 28°C (82°F), with a notable humidity level of 82%. The month also sees significant rainfall, averaging 190 mm (7.5 in) over 25 days, which contributes to a cooler and more saturated atmosphere. In contrast, May presents slightly warmer temperatures, with a minimum of 13°C (56°F) and a maximum of 30°C (87°F). The precipitation in May is less intense, totaling 153 mm (6.0 in) over 22 days, and the humidity is lower at 65%, resulting in a more comfortable environment. For more detailed information on May weather, you can check Sumpango weather in May.
In comparing the weather of September and June, both months share a similar average temperature of 19°C (67°F), with maximum highs reaching up to 28°C (82°F). However, September tends to be cooler at the minimum temperature of 11°C (53°F) compared to June's 13°C (56°F). Additionally, September experiences significantly higher precipitation at 190 mm (7.5 in) over 25 days, while June sees 258 mm (10.2 in) of rainfall across the same number of days. This results in September having a higher humidity level at 82%, compared to June's 66%. For more detailed information about June weather, you can visit Sumpango weather in June.
When comparing the weather in September and July, there are notable differences in temperatures and precipitation. September experiences a slightly cooler minimum temperature of 11°C (53°F) compared to July's minimum of 13°C (56°F), but the average temperature remains the same at 19°C (67°F) for both months. July sees a maximum temperature of 29°C (85°F), which is just 1°C lower than September's peak of 28°C (82°F). However, September is significantly wetter, with 190 mm (7.5 in) of precipitation spread over 25 days, compared to July's 94 mm (3.7 in) over just 15 days. Additionally, the humidity is higher in September at 82%, contrasted with July's 75%. For a more detailed look at the weather in July, you can check Sumpango weather in July.
In comparing the weather conditions of September and August, September presents slightly cooler temperatures, with a minimum of 11°C (53°F) compared to August's minimum of 13°C (55°F). Both months feature an average temperature of 19°C (67°F), but September ultimately has a lower maximum temperature of 28°C (82°F), just shy of August's peak of 29°C (85°F). Additionally, September experiences significantly more precipitation, totaling 190 mm (7.5 in) over 25 days, in contrast to August's 134 mm (5.3 in) over 20 days. Both months share the same humidity level of 82%, indicating a consistently humid atmosphere. For more specific information on August conditions, you can check Sumpango weather in August.
In comparing September and October weather, both months exhibit similar average temperatures, with September averaging 19°C (67°F) and October slightly warmer at 19°C (66°F). While September sees maximum temperatures reaching 28°C (82°F), October's peak is just a degree higher at 29°C (84°F). Precipitation levels are nearly identical, with September recording 190 mm (7.5 inches) and October just marginally higher at 191 mm (7.5 inches), although October experiences slightly fewer rainy days, 23 compared to September's 25. Humidity levels also remain high in both months, with September at 82% and October just a touch higher at 83%. For more details, visit Sumpango weather in October.
The weather in September and November presents notable differences, particularly in terms of temperature and precipitation. September experiences a wider temperature range, with averages of 19°C (67°F) and maximums reaching 28°C (82°F). In contrast, November's temperatures are slightly cooler, with an average of 18°C (64°F) but still peaking at 28°C (82°F). Precipitation is significantly higher in September, totaling 190 mm (7.5 in) and occurring over 25 days, compared to November's 51 mm (2.0 in) over just 8 days. Humidity levels remain fairly similar, with September at 82% and November slightly lower at 80%. For more detailed insights about November weather, visit Sumpango weather in November.
In comparing the weather of September and December, September presents a much wetter and more humid atmosphere, with average temperatures ranging from a minimum of 11°C (53°F) to a maximum of 28°C (82°F) and a significant 190 mm (7.5 in) of precipitation over 25 days. In contrast, December experiences milder conditions with lower humidity at 76%, more stable temperatures between 6°C (43°F) and 28°C (83°F), and minimal rainfall totaling only 12 mm (0.5 in) across just 2 days. For more detailed insights, you can check Sumpango weather in December.
As September unfolds in Sumpango, the weather shifts notably, welcoming a blend of warmth and moisture that sets it apart from the drier months. With average temperatures hovering around a comfortable 19°C, the town experiences a higher level of humidity, which peaks at 82%. This month is characterized by substantial rainfall, with precipitation occurring on nearly every day, leading to a cumulative total of 190 mm. Unlike the balmy dry season, September offers a lush, vibrant landscape, making it an enchanting yet challenging time for outdoor activities. For a deeper understanding of the region's climate variances throughout the year, visit Sumpango Climate.