Last updated: August 27, 2025
September in Monterrico, Peru offers a unique blend of coastal climate and shifting weather patterns. The maximum temperature reaches a pleasant 28°C (83°F), while average temperatures settle around 18°C (64°F), providing a comfortable atmosphere for outdoor enthusiasts. However, the month is characterized by significant precipitation, with 84 mm (3.3 in) of rain over 22 days, making it a particularly humid period at 52%. Those planning a visit should be prepared for sporadic showers, but will also enjoy the lush landscapes that such conditions foster.
In September, Monterrico, Peru experiences a refreshing shift in temperatures, with a minimum of 8°C (47°F), averaging around 18°C (64°F), and a pleasant maximum of 28°C (83°F). This marks a gradual warming trend as the month transitions towards the warmer October, contrasting with the cooler conditions of mid-year. As September unfolds, the weather invites outdoor adventures, striking a perfect balance between the crispness of early mornings and the warmth of sunny afternoons. Visitors can enjoy comfortable days ideal for exploring the stunning coastal landscapes while savoring the subtle rise in temperature that heralds the arrival of spring in this vibrant region.
In September, Monterrico experiences a noticeable shift in its precipitation patterns, receiving 84 mm (3.3 in) of rain over 22 days. This marks the transition into a wetter season, reflecting an uptick from the drier months of July and August, which recorded just 59 mm and 73 mm respectively. As the dry spells give way to more frequent showers, the increased rainfall hints at the onset of the peak rainy season that follows in the subsequent months, with October and November typically showcasing more significant deluges. This gradual rise in precipitation serves as a reminder of the region's vibrant ecosystem, rejuvenated by the early fall rains, setting the stage for lush growth and rich biodiversity.
In September, Monterrico, Peru, experiences a notable shift in humidity, with levels settling at 52%. This is an increase from the notably lower humidity of 44% recorded in August, signaling a gradual transition towards the wetter months ahead. As the dry season recedes, the rise in humidity is part of a broader trend seen throughout the year, where the months of January through April boast much higher readings, ranging from 90% to 93%. Following the peak humidity levels at the start of the year, a gradual decline occurs, reaching its lowest in July and August. However, as fall approaches, a slight increase occurs again, indicating the impending arrival of the rainy season, which typically brings more moisture and lush surroundings.
As we transition into September, Monterrico, Peru, experiences a slight dip in its UV Index, which stands at 15—still categorized as extreme. This month follows a trajectory similar to the preceding months, maintaining a consistent exposure risk where the burn time remains a swift 10 minutes. Notably, the UV Index peaks at 18 in January, gradually decreasing through the months before bouncing back to 17 in October. This trend underscores the intense solar radiation that characterizes Monterrico, urging residents and visitors alike to take necessary precautions. For more insights on UV exposure, check out Monterrico UV Index.
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In September, Monterrico, Peru continues to bask in an enviable glow, with 317 hours of sunshine lighting up the landscape. Following the peak of August, which boasted an impressive 331 hours, the sunny days of September maintain a delightful warmth, reflecting the region's consistent charm as the dry season progresses. This month sits comfortably within a vibrant spectrum of sunshine, showing a slight decline yet still above the year's average. On the tail end of a summer filled with abundant light, September's clear skies serve as a perfect invitation to enjoy the breathtaking beauty of coastal life, with days that linger in golden hues. As the sun gradually retreats into autumn, Monterrico's warmth offers a captivating backdrop for both relaxation and adventure.
As September rolls into Monterrico, the likelihood of sunny weather stands at 36%, marking a notable yet modest dip from the peak sunshine months of July and August, which boast probabilities of 57% and 47%, respectively. This transition reflects the gradual shift away from the drier winter season, leading into the more unpredictable spring and summer months. While September may still offer a pleasant chance for basking in the sun, visitors can expect a mix of cloud cover and sunny spells, with the year’s highest sunlight probabilities firmly situated in the heart of winter. Enjoying the coastal beauty of Monterrico in September remains a tantalizing option, promising warmth and the allure of spontaneous sunny days.
In Monterrico, Peru, September marks a delightful return to longer days, reviving the consistent 12 hours of daylight that graced the early months of the year. This shift contrasts with the previous months of April through August, where daylight was limited to 11 hours, creating a more subdued atmosphere. As the year transitions back towards longer daylight, October and November continue this trend, providing ample sunshine that invites both relaxation and activity on the beautiful beaches. The rhythmic ebb and flow of daylight in Monterrico not only enhances the vibrant culture but also underscores the region's unique climatic patterns.
As September rolls into Monterrico, the gentle breeze of the ocean begins to whisper through the coastal landscape, registering an average wind speed of 0.9 m/s (2 mph). This marks a subtle yet noticeable shift from the previous months, where winds remained consistently calm at 0.8 m/s. The enhancement in wind speed, paralleling the transition into spring, provides a refreshing sense of vitality to the seaside environment. As the air flows with a slight increase, it invites both locals and visitors to enjoy the stunning natural beauty and vibrant culture that Monterrico has to offer, creating the perfect backdrop for gentle strolls or peaceful moments by the shore.
Weather in Monterrico varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Monterrico, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present notable contrasts in weather patterns. In September, temperatures fluctuate between a minimum of 8°C (47°F) and a maximum of 28°C (83°F), with an average of 18°C (64°F). The month experiences moderate precipitation at 84 mm (3.3 in) over 22 days, accompanied by a humidity level of 52%. In contrast, January sees a slight rise in minimum temperatures to 11°C (52°F) while maintaining an average of 18°C (65°F) and peaking at 29°C (84°F). However, January is significantly wetter, with 253 mm (10.0 in) of rainfall spread over 24 days and a much higher humidity level of 93%. For those planning a visit, further details on January conditions can be found here: Monterrico weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of 8°C (47°F) to a maximum of 28°C (83°F), with an average of 18°C (64°F). The month experiences moderate precipitation of 84 mm (3.3 in) over 22 days and a relative humidity of 52%. In contrast, February has a slightly warmer temperature range, with a minimum of 10°C (51°F) and a maximum of 26°C (80°F), while the average remains similar at 18°C (65°F). However, February sees significantly higher rainfall, totaling 292 mm (11.5 in) over 27 days, coupled with much higher humidity at 92%. For more details, check Monterrico weather in February.
In September, temperatures range from a minimum of 8°C (47°F) to a pleasant average of 18°C (64°F), peaking at a maximum of 28°C (83°F). The month experiences 84 mm (3.3 in) of precipitation over 22 days, with a humidity level of 52%. In contrast, March sees slightly warmer temperatures, with a minimum of 11°C (52°F) and a maximum of 26°C (78°F), maintaining an average of 18°C (65°F). However, March is significantly wetter, with 239 mm (9.4 in) of rainfall spread over 29 days and much higher humidity at 92%. For a closer look at the weather trends specific to March, you can check Monterrico weather in March.
In comparing the weather between September and April, both months feature similar average temperatures around 18°C (64°F), but they differ significantly in other aspects. September sees milder conditions with a minimum temperature of 8°C (47°F) and maximum temperatures reaching up to 28°C (83°F). In contrast, April has slightly warmer nights and days, with minimums of 9°C (48°F) and maximums of 27°C (80°F).
However, April is notably wetter, with 157 mm (6.2 in) of precipitation over 27 days, compared to September's 84 mm (3.3 in) over just 22 days. This contributes to a much higher humidity level in April at 90%, versus September’s 52%. For those interested in detailed weather statistics, you can explore Monterrico weather in April.
In comparison to September, May experiences slightly cooler temperatures, with averages of around 17°C (63°F) compared to September's 18°C (64°F). The maximum temperatures in both months are similar, peaking at 26°C (79°F) in May and 28°C (83°F) in September. Precipitation levels are also comparable, with September receiving 84 mm (3.3 in) over 22 days and May slightly higher at 90 mm (3.5 in) across 21 days. However, May is notably more humid, with humidity levels at 85%, contrasted with September's 52%. For a deeper understanding of what to expect, you can check out Monterrico weather in May.
In comparing the weather of September and June, we observe that September tends to be slightly warmer overall, with average temperatures reaching 18°C (64°F) compared to June’s 17°C (62°F). Additionally, September has a higher maximum temperature of 28°C (83°F) versus June’s 26°C (79°F). However, June experiences higher humidity at 70%, compared to September's 52%, which can make June feel warmer and more uncomfortable despite the similar levels of precipitation—80 mm (3.1 in) in June and 84 mm (3.3 in) in September. Notably, June has fewer rainy days at 14, compared to September's 22. For more detailed insights, check out Monterrico weather in June.
In comparing the weather between September and July, September tends to be slightly warmer, with average temperatures reaching 18°C (64°F) compared to July's average of 16°C (61°F). The maximum temperatures are also higher in September at 28°C (83°F) versus July's 26°C (79°F). However, September experiences more rainfall, with 84 mm (3.3 in) over 22 days, whereas July sees 59 mm (2.3 in) across 14 days. Humidity levels are fairly similar, with July at 54% and September at 52%. For a closer look at July weather patterns, visit Monterrico weather in July.
In comparing the weather of September to that of August, we see a notable increase in temperatures and precipitation. September's minimum temperature of 8°C (47°F) is slightly warmer than August's 6°C (42°F), while the average temperature rises from 16°C (62°F) in August to 18°C (64°F) in September. The maximum temperature also sees a slight uptick, reaching 28°C (83°F) in September compared to 27°C (81°F) in August. Additionally, September experiences more rainfall with 84 mm (3.3 in) over 22 days, compared to August’s 73 mm (2.9 in) over 17 days. Humidity is also higher in September at 52% compared to 44% in August, indicating a shift toward a more moist atmosphere. For more on August's climate specifics, you can refer to Monterrico weather in August.
In September, the weather features a milder temperature range with a minimum of 8°C (47°F) and a maximum of 28°C (83°F), averaging around 18°C (64°F). However, the month sees a considerable amount of rain, with 84 mm (3.3 in) over 22 days and a humidity level of 52%.
In contrast, October experiences slightly warmer temperatures, with a minimum of 10°C (49°F) and a maximum reaching 30°C (86°F), still averaging 18°C (65°F). Rainfall increases to 139 mm (5.5 in) spread over 24 days, contributing to higher humidity levels at 65%. This shift towards wetter and more humid conditions marks a notable transition as the months progress. For a more detailed look at October weather in Monterrico, you can visit Monterrico weather in October.
September weather features a temperature range from a cool 8°C (47°F) to a warm 28°C (83°F), with an average of 18°C (64°F). It experiences moderate precipitation, totaling 84 mm (3.3 in) over 22 days, and maintains a humidity level of 52%. In contrast, November sees slightly higher temperatures, with a minimum of 12°C (54°F) and a maximum of 27°C (81°F), averaging 19°C (66°F). However, it also brings increased rainfall, with precipitation reaching 191 mm (7.5 in) across 27 days and a notable rise in humidity to 81%. For more detailed weather specifics, please visit Monterrico weather in November.
In September, the weather typically features a warm average temperature of 18°C (64°F) with a minimum of 8°C (47°F) and a maximum reaching up to 28°C (83°F). The month is relatively dry, experiencing 84 mm (3.3 in) of precipitation over about 22 days, with a humidity level of 52%. In contrast, December brings slightly warmer average temperatures at 19°C (66°F) but maintains the same maximum of 28°C (83°F). However, it experiences significantly higher rainfall, totaling 229 mm (9.0 in) over 28 days, along with a notable increase in humidity at 89%. For more detailed information about the weather conditions in December, you can check out Monterrico weather in December.
In September, Monterrico experiences a notable shift in weather patterns, characterized by cooler temperatures and increased rainfall compared to the warmer, drier months that precede it. With an average temperature of 18°C, this month brings a refreshing respite, as well as the potential for both humidity and precipitation, making it one of the wetter months of the year. The frequent rains contribute to a lush, vibrant landscape, though they may also lead to some wet days that can impact outdoor plans. For a deeper understanding of how September fits into the broader weather trends of Monterrico, check out Monterrico Climate.