Last updated: August 21, 2025
September in San Pedro La Laguna, Guatemala brings a climate that is both refreshing and humid, with a maximum temperature reaching around 24°C (75°F) and a comfortable average of 18°C (64°F). The region experiences cooler nights, with temperatures dipping to a minimum of 12°C (54°F). This month is characterized by significant rainfall, totaling 358 mm (14.1 in) over approximately 26 days, resulting in an average humidity level of 82%. Visitors can expect lush, vibrant landscapes, but should be prepared for frequent showers, which contribute to the area's enchanting beauty.
In September, San Pedro La Laguna experiences a refreshing transition in temperatures, with minimums around 12°C (54°F) and an average of 18°C (64°F), offering a comfortable embrace for visitors. The maximum temperatures reach 24°C (75°F), slightly cooler than the preceding months of August and July. This month marks a trend of lingering mildness, as temperatures remain relatively consistent from August, showcasing the region's stable climate. As September unfolds, the blend of cooler mornings and pleasantly warm afternoons provides an inviting atmosphere, perfect for exploring the scenic beauty of this picturesque Guatemala village.
In September, San Pedro La Laguna experiences a significant increase in precipitation, accumulating an impressive 358 mm (14.1 in) over 26 days of rainfall. This month marks a peak in the wet season, following the heavy rains of May and June. The consistent downpour not only reflects the lush, vibrant landscape characteristic of the region but also sets the stage for the gradual tapering of rainfall in October. Compared to the drier months like January and February, which see less than 50 mm of rain, September embodies the heart of Guatemala's rainy season, shaping both the environment and daily life in this picturesque lakeside community.
September in San Pedro La Laguna, Guatemala, marks a continuation of the high humidity trend seen in the preceding months. With humidity levels reaching 82%, September ties with August, both experiencing the moist embrace of the rainy season. This peak is part of a notable pattern where humidity rises steadily from a low of 57% in April to the summer heights of 82%-83% from August through October. Following September, the humidity remains elevated, indicating a transition into the more damp and cooler months of late fall. Overall, the data reflects San Pedro's lush environment, characterized by rich humidity that supports its vibrant natural scenery.
In September, San Pedro La Laguna experiences a UV Index of 14, classified as extreme, with a burn time of just 10 minutes. This month continues the trend of high UV exposure observed since January, reaching a peak of 16 in April. While the index slightly dips from the summer months, September's UV levels remain consistent, mirroring the readings of the preceding month. Visitors and residents should be particularly vigilant, as prolonged sun exposure can lead to severe sunburn and skin damage. For more details on the UV Index and how to stay safe under the sun, check out San Pedro La Laguna UV Index.
UV Risk Categories
September in San Pedro La Laguna, Guatemala, greets visitors with 287 hours of brilliant sunshine, making it a delightful month to experience the region's natural beauty. Following the sun-kissed heights of the previous months, including a dazzling 321 hours in March and 314 hours in July, September maintains a generous amount of sunlight, encouraging outdoor adventures and exploration. As the rainy season transitions toward its end, the consistent availability of sunshine in September—though slightly lower than the summer peak—provides an inviting atmosphere for travelers seeking to soak up both the sun and the enchanting scenery of Lake Atitlán. This month effortlessly continues the trend of ample daylight, ensuring that the vibrant culture and breathtaking landscapes remain bathed in golden hues.
In San Pedro La Laguna, Guatemala, the likelihood of sunny weather in September is relatively low, with only a 14% chance of sunshine. This trend reflects the region's transition into the rainy season, where the probability of sunny days dips significantly compared to the earlier months of the year. For instance, the sun shines more frequently from January to April, where percentages hover between 29% and 59%. However, as the months progress into late summer and early autumn, the allure of sunlight dwindles, making September one of the cloudier months. Travelers seeking warm, sunny days may want to plan their visit either early in the year or wait until late October, when the chance of sunshine rises again to 30%.
In San Pedro La Laguna, Guatemala, the rhythm of daylight throughout the year reveals an intriguing trend. From January to August, the daylight duration remains relatively stable, with a consistent offering of 11 to 12 hours daily. By September, the region experiences a notable milestone, as it maintains the 12 hours of daylight reached in the preceding months. This balance of light fosters an inviting atmosphere, making it an enchanting time for locals and visitors alike. As the year progresses into October, a subtle shift occurs, where daylight begins to decrease again to 11 hours, heralding the return of shorter days as the seasons change. This gradual ebb and flow of daylight mirrors the vibrant patterns of life in this lakeside community.
As September brings a gentle breeze to San Pedro La Laguna, Guatemala, the average wind speed settles at a serene 1.3 m/s (3 mph), mirroring the calm atmosphere of the month. This slight decrease from the early summer months reflects a trend of dwindling wind as the region transitions into the latter part of the year. Notably, while the winds peak in January at a robust 1.9 m/s (4 mph), they gradually taper off from May, leading into the calmness of September. As autumn approaches, this tranquil breeze invites locals and visitors alike to savor the beauty of the landscape, offering a perfect setting for contemplation and connection with nature.
Weather in San Pedro La Laguna varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Pedro La Laguna, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of September and January, September experiences a slightly warmer average temperature of 18°C (64°F) and a notable range with maximums reaching 24°C (75°F). This month is also marked by significant rainfall, totaling 358 mm (14.1 in) over 26 days, resulting in high humidity levels of 82%. In contrast, January presents cooler conditions, with an average temperature of 16°C (61°F), while still peaking at 24°C (76°F). The precipitation dramatically decreases to only 16 mm (0.6 in) over just 5 days, accompanied by lower humidity at 76%. For a detailed look at January's weather specifics, you can check San Pedro La Laguna weather in January.
September and February present contrasting weather patterns, reflecting the transition from a wet season to a drier time of year. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 24°C (75°F), accompanied by significant rainfall totaling 358 mm (14.1 in) over an average of 26 days, resulting in high humidity levels of 82%. In contrast, February features slightly cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 26°C (79°F), but experiences far less precipitation at just 34 mm (1.3 in) over about 8 days, leading to lower humidity at 68%. For a more detailed look at February weather, check out San Pedro La Laguna weather in February.
September and March present contrasting weather patterns. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 24°C (75°F), with an average of 18°C (64°F). This month is characterized by high humidity at 82% and significant rainfall, totaling 358 mm (14.1 in) over 26 days. In stark contrast, March offers milder conditions, with temperatures fluctuating between a minimum of 9°C (49°F) and a maximum of 27°C (80°F), averaging 17°C (63°F). Rainfall is significantly lower in March, with only 53 mm (2.1 in) over just 8 days, combined with a more comfortable humidity level of 59%. For more details on the weather in March, you can visit San Pedro La Laguna weather in March.
September and April showcase distinct weather patterns, reflecting their unique climates. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 24°C (75°F), with an average of 18°C (64°F). This month is characterized by high humidity at 82% and significant rainfall, accumulating 358 mm (14.1 in) across 26 days. In contrast, April offers slightly cooler mornings with minimum temperatures around 10°C (50°F) and warmer afternoons peaking at 26°C (79°F), while maintaining the same average temperature of 18°C (64°F). The overall rainfall in April is much lower, with only 159 mm (6.2 in) spread over 19 days, and humidity drops to a more comfortable 57%. For more detailed insights on April weather, visit San Pedro La Laguna weather in April.
In comparing the weather between September and May, both months exhibit a similar temperature range with minimums around 12°C (54°F) and average temperatures of 18°C (64°F in September and 65°F in May). However, May tends to be slightly warmer with a maximum temperature reaching 26°C (78°F) compared to September's 24°C (75°F). Precipitation levels are notably higher in May, with 449 mm (17.7 in) over 29 days, versus September’s 358 mm (14.1 in) across 26 days. Additionally, humidity is significantly lower in May at 65%, compared to a more humid 82% in September, making May feel somewhat more comfortable. For more specific details about the weather conditions, you can check San Pedro La Laguna weather in May.
In comparing the weather of September and June, both months exhibit similar average temperatures, hovering around 18°C (64°F), with maximum temperatures reaching 24°C (75°F) in September and 24°C (76°F) in June. However, September tends to be slightly cooler at night with a minimum temperature of 12°C (54°F), compared to June's 13°C (56°F). Rainfall is more pronounced in September, with 358 mm (14.1 in) over 26 days, whereas June receives 405 mm (15.9 in) of precipitation across 27 days. Additionally, humidity levels are notably higher in September at 82%, in contrast to June's more comfortable 66%. For more details on June weather in San Pedro La Laguna, check out San Pedro La Laguna weather in June.
When comparing the weather in September and July, a few notable differences emerge. September typically has a slightly cooler temperature range, with minimums around 12°C (54°F) and maximums reaching 24°C (75°F), compared to July's min of 13°C (55°F) and max of 25°C (76°F). Additionally, September experiences significantly more rainfall, with 358 mm (14.1 in) over 26 days, in contrast to July's 157 mm (6.2 in) over just 16 days. This results in a higher humidity level in September at 82%, compared to July's 75%. For more detailed insights on July weather, you can refer to San Pedro La Laguna weather in July.
In comparing the weather of September and August, both months showcase similar minimum temperatures of 12°C (54°F) and average temperatures around 18°C (64°F). However, September tends to be a bit cooler at the maximum temperature, reaching only 24°C (75°F) compared to August's warmer high of 26°C (78°F). Precipitation levels are notably higher in September, with a total of 358 mm (14.1 in) over 26 days, while August sees 290 mm (11.4 in) of rain across 24 days, indicating September is both wetter and more prone to cloudy days. Interestingly, humidity remains consistent at 82% for both months. For those looking for specific weather details, you can explore San Pedro La Laguna weather in August.
The weather in September and October presents some intriguing comparisons. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 24°C (75°F), with an average of 18°C (64°F). The month is characterized by significant rainfall, totaling 358 mm (14.1 in) over 26 days, coupled with high humidity at 82%. In contrast, October sees a slight drop in the average temperature to 17°C (64°F), while the maximum remains similar at 24°C (76°F). Precipitation also decreases to 292 mm (11.5 in) but occurs over 27 days, resulting in a marginally higher humidity level of 83%. For more specific insights into October's weather, you can visit San Pedro La Laguna weather in October.
In September, the weather is generally warmer with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 24°C (75°F), while November sees slightly cooler temperatures, with a minimum of 10°C (51°F) and the same maximum of 24°C (75°F). September is much wetter, receiving a significant 358 mm (14.1 in) of precipitation over 26 days, while November experiences a much drier spell with only 64 mm (2.5 in) of rain across 10 days. Humidity levels are slightly higher in September at 82%, compared to November’s 80%. For a more detailed look at the weather during this month, you can check out San Pedro La Laguna weather in November.
In September, the weather is characterized by milder temperatures, with averages around 18°C (64°F), and daytime highs reaching up to 24°C (75°F). However, this month is also marked by significant rainfall, seeing about 358 mm (14.1 in) over 26 days, contributing to a high humidity level of 82%. In contrast, December offers cooler temperatures, with an average of 16°C (62°F) and similar highs of 24°C (75°F). Rainfall decreases dramatically to just 22 mm (0.9 in) across only 5 days, resulting in lower humidity at 76%. For more detailed information, check out San Pedro La Laguna weather in December.
September in San Pedro La Laguna is characterized by cool temperatures and frequent rain, making it notably different from the warmer, drier months that precede it. With an average temperature hovering around 18°C, visitors can expect a refreshing atmosphere, but the high humidity and significant rainfall—spanning over half the month—encourages a lush, vibrant landscape. This combination of coolness and moisture creates a unique charm, inviting both adventure and relaxation amidst the stunning natural scenery. For a deeper understanding of what to expect throughout the year, explore the detailed insights at San Pedro La Laguna Climate.