Last updated: August 27, 2025
In September, Colca, Peru, experiences a unique blend of cool temperatures and notable precipitation, making it a month of transition. With maximum temperatures reaching 15°C (60°F) and averaging around 6°C (44°F), visitors should be prepared for brisk conditions, while nights can plummet to a chilling -3°C (27°F). The region witnesses about 85 mm (3.4 in) of rain over 21 days, contributing to the lush landscapes that define this beautiful area. With a humidity level of 53%, the air carries a refreshing crispness, perfect for those seeking adventure amidst stunning vistas.
September in Colca, Peru, brings a subtle transition in temperatures as the region edges toward warmer months. With minimums around -3°C (27°F), average daily temperatures hover at a brisk 6°C (44°F), while maximums reach a comfortable 15°C (60°F). Compared to the chillier July and August, September offers a slight reprieve from the cold, hinting at the upcoming warmth of October. The consistent averages throughout these months reflect Colca's unique climate, characterized by its cool high-altitude environment. As the days gradually lengthen and temperatures rise, September serves as a delightful precursor to the vibrant changes that autumn will bring.
In September, Colca, Peru experiences a notable uptick in precipitation, receiving 85 mm (3.4 in) of rain over 21 days, marking a shift as the region transitions towards the wetter months. This increase follows August's relatively dry period, where only 42 mm (1.6 in) fell across 12 days. September sets the stage for a more dynamic weather pattern that continues into October, which averages 125 mm (4.9 in) over 24 days. As the landscape absorbs this moisture, the gradual rise in precipitation not only revitalizes the region but also reinforces the seasonal rhythms that characterize the Andean climate, creating a lush backdrop for the transitioning month.
As summer transitions into autumn, September in Colca, Peru, experiences a notable drop in humidity, settling at 53%. This slight increase from the dry months of July and August reflects the region's gradual shift toward higher moisture levels as the year progresses. While January through April bask in higher humidity, ranging from 89% to 90%, the later months signal a refreshing change, with humidity gradually rising again from October onwards, peaking in December at 87%. This fluid trend offers a unique balance of dry and moist conditions, making September a particularly pleasant time to experience the stunning landscapes of Colca.
In September, the UV Index in Colca, Peru, reaches 17, maintaining its status in the extreme exposure category with a consistent burn time of just 10 minutes. This subtly follows a slight increase from the previous months, where the UV Index hovered around 15 in August and 14 in July. As the dry season progresses, UV levels remain notably high, mirroring the patterns seen throughout the year, particularly in the summer months of January through April, where indices peak at 20. Given these patterns, it's essential for visitors and residents to stay vigilant and protect themselves from sun exposure. For more detailed insights on UV levels throughout the year, check the comprehensive guide at Colca UV Index.
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As the months shift towards the end of the year, September in Colca, Peru, brings a delightful blend of warmth and sunshine, boasting approximately 318 hours of sun—a slight decline from the peak of 333 hours in August. This subtle dip signals the waning of winter, as the region transitions into a more temperate climate. Following the summer surge from January through August, where sunlight steadily increased, September maintains a robust level of brightness, ensuring ample opportunities for outdoor adventures and breathtaking views of the stunning landscapes. As October arrives, sunshine remains plentiful with 307 hours, promising travelers continued enjoyment of Colca’s natural beauty.
In September, Colca, Peru, enjoys a 26% chance of sunny weather, marking a noticeable decline from the sunnier months of July and August, which boast probabilities of 55% and 43%, respectively. As the dry season begins to soften, this transitional month hints at the onset of autumn, where the sun becomes less predictable. Following the vibrant summer, September's likelihood of sunshine continues the downward trend leading into the more overcast months of October and November. This subtle fluctuation in sunny weather presents an intriguing blend of opportunities for visitors eager to experience Colca's stunning landscapes, while perhaps also preparing for occasional clouds.
In September, Colca, Peru, enjoys a rejuvenating 12 hours of daylight, mirroring the sunlit expanses of the earlier months in January and February. This shift from the shorter days of winter, which lingered through May to August, signifies a gentle transition back to longer daylight, enthusiasm palpable amongst locals and visitors alike. As autumn approaches and daylight increases once more, the vibrant landscapes of Colca can be fully appreciated, inviting exploration and adventure under the sun's warm embrace. The consistent rhythm of 12-hour days from September to November heralds a delightful period for outdoor activities and cultural experiences in this stunning region.
As September arrives in Colca, Peru, the average wind speed reaches a gentle 1.4 m/s (3 mph), mirroring the breezy conditions experienced in the preceding months of July and August. This subtle uptick in wind velocity remains consistent through October, suggesting a stable climatic pattern as the region transitions into the heart of spring. Interestingly, September maintains a slight elevation in wind speed compared to the earlier months of the year, where calmer winds of 1.2 to 1.3 m/s prevailed from January to June. The consistent flow of air during this time enhances the enchanting landscapes, as the gentle breeze dances through the valleys, invigorating the breathtaking scenery of Colca. Overall, the wind in September serves as a calming reminder of nature's rhythm, ensuring the beauty of this Peruvian gem is experienced at its finest.
Weather in Colca varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Colca, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is typically mild with average temperatures ranging from -3°C (27°F) at night to a pleasant 15°C (60°F) during the day. The month experiences about 85 mm (3.4 in) of precipitation over approximately 21 days, with moderate humidity at 53%. In contrast, January sees slightly cooler nighttime temperatures, dropping to -4°C (25°F), but the daytime can reach up to 17°C (63°F) on average. This month is considerably wetter, with around 212 mm (8.3 in) of rainfall spread over 25 days, accompanied by higher humidity levels at 89%. The overall climate shift from September to January highlights a trend of increased precipitation and humidity, making January feel more humid and considerably wetter. For a more detailed look at the January weather in Colca, you can visit Colca weather in January.
September and February present distinctly different weather patterns. In September, temperatures range from a chilly -3°C (27°F) at night to a comfortable 15°C (60°F) during the day, with an average temperature of 6°C (44°F). The month experiences moderate precipitation, accumulating 85 mm (3.4 in) over 21 days, and the humidity is relatively low at 53%. In contrast, February sees slightly milder temperatures, with a minimum of -1°C (30°F) and a maximum of 17°C (62°F), and an average of 7°C (46°F). However, it also brings significantly more rainfall, totaling 260 mm (10.2 in) over 27 days, along with higher humidity at 89%. For those interested in the specifics of February weather in the region, refer to Colca weather in February.
September and March present distinct weather profiles. In September, temperatures range from a chilly -3°C (27°F) to a milder max of 15°C (60°F), with an average of 6°C (44°F). While precipitation is moderate at 85 mm (3.4 in) over 21 days, humidity remains relatively low at 53%. In contrast, March has slightly warmer temperatures, with a minimum of -2°C (29°F) and an average of 7°C (45°F), peaking at 15°C (59°F). However, it experiences significantly higher rainfall, totaling 235 mm (9.3 in) across 30 days, and the humidity levels rise dramatically to 90%. This increased moisture can be explored further at Colca weather in March.
In September, temperatures range from a low of -3°C (27°F) to a high of 15°C (60°F), with an average of 6°C (44°F) and a moderate humidity level of 53%. The month sees approximately 85 mm (3.4 in) of precipitation spread over 21 days. In contrast, April has a similar temperature range, with minimums at -3°C (26°F) and maximums reaching 16°C (61°F), resulting in a slightly higher average of 7°C (45°F). However, April experiences more precipitation, totaling 103 mm (4.0 in) over 24 days, and considerably higher humidity at 89%. Thus, while both months have chilly starts, April tends to be wetter and more humid. For more detailed insights, check out Colca weather in April.
September and May exhibit similar average temperatures, both hovering around 6°C (44°F), with maximums reaching 15°C (60°F). However, September features slightly milder minimum temperatures at -3°C (27°F) compared to May's -4°C (26°F). In terms of precipitation, September sees more rainfall at 85 mm (3.4 in) over 21 days, while May has a lower amount of 70 mm (2.8 in) across 20 days. Notably, humidity levels are higher in May at 83%, indicating a more humid atmosphere compared to September's 53%. For those interested in weather specifics for May, please check Colca weather in May.
In September, the weather tends to be a bit more variable, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 15°C (60°F) and an average of 6°C (44°F). This month experiences more significant precipitation, totaling 85 mm (3.4 in) over approximately 21 rainy days, resulting in a moderate humidity level of 53%.
In contrast, June showcases slightly cooler weather, with a minimum temperature of -4°C (24°F) and a maximum reaching 15°C (58°F), while maintaining a similar average of 6°C (43°F). The rainfall is considerably less in June, amounting to just 27 mm (1.1 in) spread over 8 days, leading to higher humidity at 69%. For a detailed look at the weather conditions in June, check Colca weather in June.
September and July exhibit similar maximum temperatures, both peaking at 15°C (60°F), but September tends to be slightly warmer with an average temperature of 6°C (44°F) compared to July's 5°C (42°F). However, July features a lower minimum temperature of -5°C (23°F) compared to September's -3°C (27°F). Precipitation levels differ significantly, with September receiving 85 mm (3.4 in) over 21 days, in stark contrast to July's modest 23 mm (0.9 in) over just 7 days. Humidity is also slightly higher in July at 56%, compared to September's 53%. For more insights on weather conditions during this period, you can check Colca weather in July.
In comparison to August, September experiences slightly milder temperatures, with average highs reaching 15°C (60°F) compared to August's maximum of 16°C (61°F). However, September is wetter, recording 85 mm (3.4 in) of precipitation over 21 days, while August receives only 42 mm (1.6 in) over 12 days. Humidity also sees a slight increase in September at 53%, compared to 50% in August. For more detailed insights on August weather in the region, you can check Colca weather in August.
September and October show subtle changes in weather patterns, as September sees average temperatures around 6°C (44°F) with a maximum of 15°C (60°F), while October experiences a slight increase to an average of 7°C (45°F) and a high of 17°C (63°F). Precipitation also escalates from 85 mm (3.4 in) over 21 days in September to 125 mm (4.9 in) across 24 days in October, indicating a wetter month ahead. Additionally, humidity rises from 53% in September to 68% in October, contributing to a more saturated feel in the air. For a detailed look at the weather in this transitional period, check out Colca weather in October.
September marks the transition from summer to autumn, with temperatures ranging from a chilly -3°C (27°F) at night to a pleasant 15°C (60°F) during the day. The month experiences an average temperature of 6°C (44°F) and sees substantial rainfall, totaling 85 mm (3.4 in) across 21 days. Humidity is relatively moderate at 53%.
In contrast, November maintains a similar maximum temperature of 15°C (60°F), but nighttime temperatures are slightly milder, with lows around -1°C (30°F). The average temperature rises to 8°C (46°F), and precipitation significantly increases to 158 mm (6.2 in) over 26 days, leading to higher humidity at 81%. For more detailed weather information, you can check Colca weather in November.
In September, temperatures typically range from a minimum of -3°C (27°F) to a maximum of 15°C (60°F), with an average of 6°C (44°F). The month sees about 85 mm (3.4 in) of precipitation over 21 days, resulting in a moderate humidity level of 53%. In contrast, December experiences slightly milder temperatures, with a minimum of -1°C (30°F) and a maximum reaching 16°C (62°F), averaging 8°C (46°F). However, it is significantly wetter, receiving 198 mm (7.8 in) of rainfall over 29 days, which brings a higher humidity level of 87%. For more details on the weather specific to this month, check out Colca weather in December.
In September, Colca experiences a shift in weather that marks the transition to spring, bringing cooler temperatures and a noticeable increase in precipitation compared to the drier months of winter. The average temperature hovers around a brisk 6°C, while chilly nights can plummet to a frigid -3°C. With precipitation occurring on nearly three-quarters of the days in the month, visitors should be prepared for the lush greenery that this increased humidity fosters, thanks to a comfortable 53% humidity level. This combination of elements creates a dynamic landscape, setting September apart from other months. For a deeper dive into the weather patterns, check out Colca Climate.