Last updated: August 27, 2025
In September, Caral, Peru experiences mild temperatures that hover around a comfortable 17°C (63°F) on average, with daytime highs reaching up to 23°C (73°F) and nighttime lows dipping to 13°C (55°F). The region enjoys a remarkably dry climate, boasting an impressive 0 days of precipitation and a minimal 3 mm (0.1 in) of rain over the month. Coupled with a humidity level of 78%, the weather creates a pleasant environment, making it an ideal time for outdoor exploration and discovery in this ancient site.
In September, Caral, Peru, experiences a slight warming trend as the temperatures begin to climb after the cooler months of winter. With minimums around 13°C (55°F) and maximums reaching 23°C (73°F), the weather is pleasantly mild, showcasing an average of 17°C (63°F). This moderate climate marks a transition as the region slowly shifts from the chilly remnants of winter into the more temperate conditions of spring. As September progresses, the days become increasingly inviting, making it an ideal time for visitors to explore the ancient wonders of Caral while enjoying the comfortable weather.
In September, Caral, Peru experiences a significant decrease in rainfall, with only 3 mm (0.1 in) recorded and no precipitation days throughout the month. This trend mirrors the transition from the wet season earlier in the year, where March peaks at 86 mm (3.4 in) across 23 days of rain, to the much drier months of late winter. As the region moves into spring, precipitation starts to pick up slightly in October, but September stands out as a notably dry point in the yearly cycle, highlighting a stark contrast to the heavy rains of earlier months and setting the stage for the modest increases to follow.
In September, Caral, Peru experiences a noticeable uptick in humidity, reaching 78%, a shift after the drier months of July and August, when humidity levels dipped to their lowest at 75% and 74% respectively. This increase marks the beginning of a gradual rise in moisture as the year progresses, transitioning towards a more humid climate as October approaches with humidity levels jumping to 84%. Despite the fluctuation, September's humidity remains lower than the peak levels seen at the year's start, which hover around 90% in January and February, creating a dynamic and engaging climate for both residents and visitors alike.
In September, Caral, Peru continues to experience a notably high UV Index of 13, categorized as extreme. This trend aligns with the region's UV intensity throughout the year, typically ranging from 10 to 16, indicating that outdoor enthusiasts must remain vigilant. The consistent 10-minute burn time throughout much of the year highlights the necessity for effective sun protection measures. As the year progresses from summer into fall, while there is a slight dip in the UV Index compared to the peak of March, the risk remains significant. For detailed insights on sun safety in this ancient site, check out the Caral UV Index.
UV Risk Categories
In September, Caral, Peru, basks in a delightful 321 hours of sunshine, marking a subtle yet significant decline from the sun-drenched heights of August. This month continues the trend of abundant sunlight characteristic of the region’s spring, with day lengths gradually shortening as the year moves toward its close. After peaking in the winter months of July and August with 331 and 334 hours, respectively, the warmth and brilliance of the sun remain prominent, preparing the landscape for the vibrant colors of the approaching fall. With sunshine steadily above 300 hours from May to October, September elegantly bridges the sun-drenched days of summer and the quieter tones of autumn, allowing visitors to revel in Caral’s natural beauty.
In Caral, Peru, the chance of sunny weather begins to gain momentum as the year unfolds, with September seeing a 41% likelihood of sunshine. This marks a notable dip from the summer peak in July, which boasts a sunny probability of 62%, but remains stronger than the later months, like October at 32%. As the seasons transition, May and June set the stage for brighter days, showing a gradual ascent in sunshine after the first quarter, which struggles with much lower percentages. Thus, September presents a balanced outlook for sun seekers, bridging the gap between the drier winter months and the cloudier days that follow.
As the seasons transition in Caral, Peru, September heralds a return to the 12 hours of daylight that characterize the summer months. After a stretch of 11-hour days from April through August, the daylight balance shifts again, inviting longer evenings and softer sunrises. This rhythmic dance of daylight is mirrored by the encroaching warmth of spring, offering a vibrant counterpoint to the cooler, darker months. In a place where the sun plays a central role in daily life, September not only marks a change in light but also signals the beginning of a season ripe for growth and exploration.
In Caral, Peru, the winds begin to pick up in September, maintaining an average speed of 2.9 m/s (7 mph), consistent with trends from the previous month. This marks a notable increase from the calmer days of spring, where wind speeds gradually rose from just 2.1 m/s (5 mph) in January. As the year progresses, a subtle but steady wind pattern emerges, peaking in late summer, before tapering off slightly in November and December. The September winds mirror those of August, suggesting a pleasant consistency in the air that invites both exploration and reflection amidst the ancient surroundings. With each breeze carrying a whisper of history, it’s a perfect time to embrace the serene atmosphere of this archaeological marvel.
Weather in Caral varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Caral, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit notable differences in weather conditions. In September, temperatures range from a minimum of 13°C (55°F) to a maximum of 23°C (73°F), with an average of 17°C (63°F) and very little precipitation, totaling just 3 mm (0.1 in) over the month. Conversely, January experiences warmer temperatures, with a minimum of 16°C (62°F) and a maximum of 28°C (82°F), averaging 21°C (70°F); however, it also sees significantly more rainfall, accumulating 49 mm (1.9 in) over 15 rainy days. Additionally, the humidity in January is higher at 91%, compared to 78% in September. For more details on January weather, you can refer to Caral weather in January.
In September, the weather is mild, with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 23°C (73°F) and barely any precipitation, making it a relatively dry month with only 3 mm (0.1 in) of rain. The humidity sits at a comfortable 78%. In contrast, February experiences warmer temperatures, with an average ranging from a minimum of 17°C (62°F) to a maximum of 28°C (83°F). However, it is also much wetter, with total precipitation reaching 59 mm (2.3 in) spread over 17 days, and humidity rising to 90%. This substantial difference in weather patterns highlights February's more tropical characteristics compared to the gentle warmth of September. For more details, check out Caral weather in February.
In September, the weather tends to be milder with average temperatures ranging from a low of 13°C (55°F) to a high of 23°C (73°F), and it experiences minimal precipitation with about 3 mm (0.1 in) over the month and generally dry conditions. In contrast, March brings warmer temperatures, with average lows of 16°C (62°F) and highs reaching 27°C (82°F), but it is significantly wetter, accumulating approximately 86 mm (3.4 in) of rain over an average of 23 days. Additionally, humidity levels are slightly higher in March at 89% compared to 78% in September, making the early spring month feel more humid and damp. For a closer look at the weather specifics in March, check out Caral weather in March.
September and April present distinctly different weather profiles. In September, temperatures range from a minimum of 13°C (55°F) to a maximum of 23°C (73°F), with an average of 17°C (63°F) and very little precipitation, about 3 mm (0.1 in) over no rainy days. The humidity is relatively high at 78%. In contrast, April enjoys warmer temperatures, with a minimum of 15°C (58°F) and a maximum reaching 27°C (81°F), alongside an average of 20°C (68°F). This month sees more precipitation, totaling 19 mm (0.8 in) over six days, and a higher humidity level of 88%. For more specific insights on April's weather, you can check Caral weather in April.
September and May exhibit contrasting weather patterns, with May generally being warmer and slightly wetter. In September, the temperatures range from a minimum of 13°C (55°F) to a maximum of 23°C (73°F), averaging around 17°C (63°F) with low humidity at 78% and almost no rainfall. In contrast, May experiences a broader temperature range, with a minimum of 13°C (56°F) and a maximum of 26°C (80°F), and an average of 19°C (66°F). Additionally, May sees a bit more precipitation, recording 5 mm (0.2 in) over one day, along with higher humidity at 85%. For more details, you can visit Caral weather in May.
In comparing the weather of September and June, both months exhibit similar temperature ranges, with September averaging 17°C (63°F) and June slightly warmer at 18°C (64°F). The maximum temperatures are also close, with September reaching up to 23°C (73°F) and June peaking at 24°C (75°F). Both months record minimal precipitation, with only 3 mm (0.1 in) and no rainy days, contributing to a generally dry climate. Humidity levels are fairly comparable as well, with September at 78% and June slightly lower at 77%. For a more detailed overview of June weather, you can visit Caral weather in June.
In comparing the weather of September and July, we see a close resemblance in terms of temperature and humidity. September experiences slightly warmer temperatures, with a minimum of 13°C and a maximum of 23°C, while July's temperatures range from a minimum of 12°C to a maximum of 22°C. Both months have low precipitation, with September receiving 3 mm and July just 2 mm, and neither month features any rainy days. Additionally, September has a marginally higher humidity level at 78% compared to July's 75%. For those interested in detailed information, you can visit Caral weather in July.
In comparing the weather between September and August, both months exhibit similar average temperatures, with September slightly warmer, featuring a minimum of 13°C (55°F), an average of 17°C (63°F), and a maximum of 23°C (73°F). August, on the other hand, has a slightly cooler minimum temperature of 12°C (54°F) with the same average and maximum. Precipitation levels remain low for both months, with September recording 3 mm (0.1 in) and August just 2 mm (0.1 in), both experiencing no rainy days. Additionally, September has a higher humidity level at 78%, compared to August's 74%. For more details on August weather, you can refer to Caral weather in August.
In September, the weather is generally mild with average temperatures ranging from a minimum of 13°C (55°F) to a maximum of 23°C (73°F), accompanied by low precipitation of only 3 mm (0.1 in) over the month. This results in relatively dry conditions with a humidity level of 78%.
In contrast, October experiences slightly warmer temperatures, with averages from 13°C (55°F) to 24°C (75°F), and an increase in precipitation to 7 mm (0.3 in), occurring on about one day of the month. Additionally, humidity rises to 84%, contributing to a somewhat more humid atmosphere. For more details on October weather, you can visit Caral weather in October.
In September, the weather features a mild temperature range with a minimum of 13°C (55°F) and an average of 17°C (63°F), reaching a maximum of 23°C (73°F). It’s a relatively dry month with only 3 mm (0.1 in) of precipitation and no rainy days, coupled with a humidity level of 78%. In contrast, November sees slightly warmer temperatures, with a minimum of 14°C (58°F), an average of 19°C (66°F), and a maximum of 25°C (78°F). This month experiences increased precipitation, totaling 10 mm (0.4 in) over three rainy days, and a rise in humidity to 88%. For more detailed weather information, check out Caral weather in November.
In September, the weather is mild with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 23°C (73°F), accompanied by low precipitation of just 3 mm and a humidity level of 78%. In contrast, December brings warmer conditions, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F). However, December also experiences more rainfall, averaging 17 mm over 6 days, and higher humidity at 89%. For more specific details about the weather in December, you can visit Caral weather in December.
In September, Caral experiences a mild and pleasant climate, setting it apart from the hotter summer months. With daytime temperatures averaging around 17°C (63°F) and hardly any precipitation, this month offers a welcome break from the humidity that often characterizes other times of the year. The 78% humidity adds a bit of softness to the air, but with a maximum of 23°C (73°F), outdoor activities are still enjoyable without the sweltering heat. As you explore this fascinating region, you’ll appreciate how the September weather makes it an ideal time to delve into all that Caral has to offer. For more detailed insights, check out Caral Climate.