Last updated: August 21, 2025
September in Copiapó, Chile showcases a delightful transition into spring, characterized by maximum temperatures reaching 29°C (84°F) and an average of 16°C (61°F). The mornings can be cool, with a minimum temperature dipping to 3°C (38°F). This month is notably dry, boasting a mere 1 mm (0.1 in) of rainfall across 0 precipitation days, allowing for plenty of sunshine and outdoor activities. With an average humidity of 58%, the weather is generally comfortable, creating an inviting atmosphere for visitors and residents alike.
In September, Copiapó experiences a subtle transition from the chill of winter to the warmth of spring. With minimum temperatures rising to 3°C (38°F) and daytime averages nudging up to 16°C (61°F), the days become increasingly inviting. The warmth peaks at a comfortable 29°C (84°F), echoing the lingering heat from the preceding months of winter. This month signals a shift, as the temperatures inch upwards compared to August, which had similar highs but cooler averages. This gradual increase in warmth sets the stage for the inviting spring weather of the coming months, making September a time of rejuvenation and promise in this vibrant Chilean region.
In September, Copiapó, Chile experiences a slight increase in precipitation, recording 1 mm of rainfall, which marks a continuation of the dry trend characteristic of the region. Following the minimal moisture from the winter months, September's single measurement reflects the overall arid climate where the city sees limited rainfall throughout most of the year. Notably, this month does not register any precipitation days, emphasizing the scarcity of moisture that defines the local weather patterns. As Copiapó transitions into spring, these dry conditions persist, with the next months typically showing little to no precipitation, reinforcing the region's reputation as one of the driest in the world.
As September arrives in Copiapó, Chile, the atmosphere begins to shift, with humidity levels dipping to 58%. This marks a continuation of the declining trend that has characterized the region's humidities during the cooler months, reaching its lowest point in August at 60%. The steady decrease from a humid high of 78% in March showcases the transition from the warmer summer months into the crisper fall, as the desert landscape starts to embrace a more arid feel. This gradual reduction in humidity not only alters the air quality but also prepares the environment for the approaching drier months ahead.
As September arrives in Copiapó, Chile, residents and visitors alike need to remain vigilant about sun exposure, as the UV Index climbs to 10, categorizing it as very high. This trend towards elevated UV levels continues from August, which also recorded a UV Index of 8. It's a noticeable shift from the milder readings of winter; as the days grow longer and warmer, the recommended burn time decreases to just 15 minutes. With the UV Index reaching extreme levels in the preceding months, vigilance is essential—make sure to protect your skin and eyes during this transition. For more detailed information, please visit the Copiapo UV Index.
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As September rolls into Copiapó, Chile, residents eagerly welcome the warmth and brightness of the sun with an impressive 339 hours of sunshine. This marks a delightful continuation of the increasing daylight that begins in the southern hemisphere as winter bids farewell. Following a consistent rise from 328 hours in August, September paves the way for an even sunnier October and November, which boast 371 and 382 hours of sunshine, respectively. The transition from the cooler months is marked by both warmth and light, making September a perfect time for outdoor adventures and enjoying the natural beauty of the region, as daylight becomes an invitation to explore and rejuvenate.
In Copiapó, Chile, September boasts a favorable likelihood of sunny weather, with a commendable 93% chance of sun. This makes it one of the brighter months as the seasons transition from winter to spring. Following the peak of summer in January, when the sun shines almost uninterrupted at 99%, there is a gradual decline into the cooler months, but September maintains a strong presence of sunshine. This favorable weather trend hints at the approach of warmer days, making it an appealing time for outdoor activities and exploration in this arid region. As October rolls in, the sun returns with a 96% assurance, reinforcing that September is an excellent choice for those seeking bright skies and pleasant temperatures.
As September unfolds in Copiapó, Chile, daylight begins to transition toward longer hours, offering approximately 11 hours of sunlight. This month marks the tail end of winter, with daylight extending slightly compared to the darker winter months of June and July, which both feature only 10 hours of light. Following September, the days will continue to lengthen, gradually reaching 12 hours in October and peaking at 13 hours in the summer months of January and February. Thus, September serves as a gentle reminder of the spring's arrival, promising brighter days ahead while still holding onto a hint of winter's embrace.
As September rolls into Copiapó, Chile, the winds continue their gentle dance, with an average speed of 1.9 m/s (4 mph). This trend reflects a consistent pattern seen throughout the year, where wind speeds fluctuate only slightly, generally hovering around the 2.0 m/s (5 mph) mark in the summer and early winter months. Following a gradual descent from the summer's calm breezes, September maintains this mildness, leading seamlessly into the more varied autumn winds. As the season progresses, locals can expect the winds to pick up slightly in October, hinting at the dynamic shifts that are typical of the region's climate while still keeping the overall experience pleasantly calm.
Weather in Copiapo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Copiapo, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, temperatures in Copiapó range from a cool minimum of 3°C (38°F) to a warm maximum of 29°C (84°F), with an average of 16°C (61°F). The month sees little to no precipitation and maintains a comfortable humidity level of 58%. In contrast, January offers slightly warmer conditions, with a minimum temperature of 12°C (54°F) and a maximum of 30°C (86°F), averaging 20°C (69°F). Although precipitation remains minimal at 1 mm (0.0 in) and with no rainy days, the humidity increases to 74%. For a more detailed look at January's weather, you can check Copiapo weather in January.
In September, temperatures in Copiapó range from a minimum of 3°C (38°F) to a maximum of 29°C (84°F), with an average of 16°C (61°F). The month is characterized by minimal precipitation, averaging just 1 mm (0.1 in) and featuring no rainy days, with a humidity level of 58%. In contrast, February offers milder conditions, with temperatures varying from a minimum of 13°C (56°F) to a maximum of 28°C (83°F) and an average of 20°C (69°F). This month also experiences no rainfall and reaches a higher humidity of 76%, making it notably more humid than September. For more details, you can check Copiapo weather in February.
September and March in Copiapó showcase distinct weather patterns that reflect the transition between seasons. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 29°C (84°F), with a comfortable average of 16°C (61°F). The month experiences minimal precipitation, with only 1 mm recorded and no rainy days, accompanied by a humidity level of 58%. In contrast, March brings warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 28°C (82°F), averaging 20°C (68°F). Notably, March is dry as well, recording no precipitation, yet it has higher humidity at 78%. For more details about the weather during this month, visit Copiapo weather in March.
In September, the weather features a wider temperature range, with a minimum of 3°C (38°F) and a maximum of 29°C (84°F), while maintaining a mild average temperature of 16°C (61°F). The month is characterized by very low precipitation, with only 1 mm (0.1 in) and no rainy days, along with a humidity level of 58%. In contrast, April enjoys slightly warmer conditions, starting at a minimum of 8°C (47°F) and reaching up to 28°C (83°F), with an average of 18°C (65°F). Additionally, April is completely dry with 0 mm of precipitation, but the humidity is higher at 71%. For more details on the April climate, you can visit Copiapo weather in April.
In September, the weather tends to be warmer, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 29°C (84°F) and an average of 16°C (61°F). In contrast, May experiences slightly cooler temperatures, with a minimum of 2°C (35°F), a maximum of 26°C (79°F), but maintains a similar average of 16°C (60°F). While September boasts virtually no precipitation, May sees 9 mm (0.4 in) of rainfall over just one day, contributing to its higher humidity level of 68% compared to September's 58%. For more detailed weather information, check out Copiapo weather in May.
In comparing the weather between September and June, we observe some notable differences. September boasts temperatures ranging from a minimum of 3°C (38°F) to a pleasant average of 16°C (61°F), with maximums reaching up to 29°C (84°F). Interestingly, this month experiences very little precipitation, averaging just 1 mm (0.1 in) and with no rainy days, alongside a humidity level of 58%.
Conversely, June showcases slightly cooler temperatures, with a minimum of 1°C (34°F) and an average of 13°C (56°F), while still matching September's maximum temperature of 29°C (84°F). However, June is characterized by higher precipitation levels, averaging 8 mm (0.3 in) over one rainy day, and a humidity level of 64%. For those interested in exploring more about the weather conditions in June, Copiapo weather in June provides further insights.
In comparing the weather of September and July, September tends to be slightly warmer with an average temperature of 16°C (61°F) compared to July's 13°C (56°F). Both months feature minimal precipitation, with only 1 mm in September and 2 mm in July, and no recorded rainy days. Interestingly, while July has a lower minimum temperature of 0°C (33°F), September boasts a higher maximum temperature of 29°C (84°F) compared to July’s 30°C (86°F). Humidity levels are also noteworthy; September shows a humidity of 58%, slightly lower than July's 63%. For a more detailed look at July weather, visit Copiapo weather in July.
September experiences slightly warmer temperatures compared to August, with an average of 16°C (61°F) compared to August's 15°C (59°F). Both months see similar maximum temperatures, peaking at 29°C (84°F) in September and 29°C (85°F) in August. However, September boasts lower precipitation, receiving only 1 mm (0.1 in) compared to August’s 2 mm (0.1 in), and both months record no rainy days. Humidity levels are also slightly lower in September at 58%, versus 60% in August. For more detailed conditions, check Copiapo weather in August.
In September, the weather features a minimum temperature of 3°C (38°F) and an average of 16°C (61°F), occasionally peaking at a maximum of 29°C (84°F). Despite some warmth, September experiences a surprisingly low precipitation of only 1 mm (0.1 in) across the month with no rainy days, and a humidity level of 58%.
In contrast, October brings slightly warmer conditions, beginning with a minimum of 7°C (45°F) and an average of 18°C (64°F), with a high reaching 27°C (81°F). Notably, October remains dry as well, reporting no precipitation, and a slightly lower humidity of 56%. For more details, you can check out Copiapo weather in October.
In September, the weather features a wide range of temperatures, with minimums dropping to 3°C (38°F) and maximums reaching 29°C (84°F). This month experiences an average temperature of 16°C (61°F) and very little precipitation, with just 1 mm recorded. The humidity remains at 58%, contributing to a relatively comfortable atmosphere.
In contrast, November sees milder nighttime temperatures, with minimums around 10°C (50°F) and daytime highs reaching up to 30°C (86°F). The average temperature rises to 19°C (66°F), and notably, there is no recorded precipitation, ensuring dry conditions throughout the month. Humidity stays consistent at 58%, providing a similar moisture level compared to September. Overall, November offers a warmer experience without any rainy days, making it an appealing time to enjoy outdoor activities in the region. For more details, check out Copiapo weather in November.
In September, temperatures range from a chilly minimum of 3°C (38°F) to a comfortable average of 16°C (61°F), peaking at a warm 29°C (84°F). With virtually no precipitation and a humidity of 58%, September offers clear and pleasant weather. In contrast, December features milder minimum temperatures at 11°C (53°F) and maintains a slightly higher average of 19°C (67°F), while still reaching highs of 29°C (84°F). December also boasts zero precipitation and a marginally higher humidity of 63%, making it an ideal time to enjoy outdoor activities. For more details on December weather, you can check Copiapo weather in December.
In September, Copiapó experiences a pleasant transition from the cooler winter months to the warmth of spring, marked by an average temperature of 16°C (61°F) and a maximum of 29°C (84°F). This month stands out for its remarkably low precipitation, with no rain recorded, making it a dry escape compared to the wetter months that precede it. With a comfortable humidity level of 58%, September offers ideal weather for outdoor activities, a sharp contrast to the chill of the preceding winter. For a deeper dive into the nuances of Copiapó's climatic patterns, be sure to explore Copiapo Climate.