Last updated: August 21, 2025
In Iquique, Chile, September ushers in the early spring with an average temperature of 15°C (59°F), peaking at a comfortable 18°C (64°F) during the day and dipping to a cooler 12°C (54°F) at night. This month experiences moderate precipitation, totaling 23 mm (0.9 in) over approximately 7 days, contributing to the region's fresh atmosphere. With an 81% humidity level, the climate can feel a bit damp, perfect for those who enjoy the revitalizing air of spring. Whether you're drawn to the coastal beauty or the city's unique vibe, September in Iquique offers a pleasant escape into the changing season.
In September, Iquique, Chile, experiences a subtle transition as temperatures begin to rise from the cooler winter months. With a minimum of 12°C (54°F) and a maximum of 18°C (64°F), the overall feel is crisp yet mild. The average temperature sits at 15°C (59°F), continuing the trend of gradual warming that starts in August. This month marks a gentle shift towards more comfortable weather, signaling the approach of spring where sunny days reign, and the cooler nights still provide a refreshing respite. As the region shakes off the winter chill, it sets the perfect scene for outdoor adventures along its stunning coastline.
In September, Iquique experiences a notable shift in precipitation patterns, receiving 23 mm (0.9 in) of rainfall over 7 days. This marks a continuation of the wet season that began in May, with rainfall slowly tapering from the higher averages seen in the preceding months of June (31 mm) and July (34 mm). As the region transitions from winter to spring, September's precipitation highlights a period of rejuvenation before the dry season approaches, keeping the atmosphere refreshingly dynamic. Compared to the more arid months that follow, such as October's 17 mm (0.7 in), September serves as a crucial bridge, featuring a balance of moisture that supports local ecosystems and cultivates a sense of renewal.
In Iquique, Chile, September marks a transition in the region's humidity levels, showcasing a slight dip to 81% from the higher percentages seen in the earlier months. As the winter months of June and July brought lower humidity levels, September serves as a bridge, with the atmosphere gradually transitioning back to the wetter conditions of spring. The trend reveals a generally stable humidity profile throughout the year, with only minor fluctuations—observing humidity levels consistently around the low to mid-80s for most months, creating a unique coastal climate. As the year progresses towards October, a modest uptick to 83% suggests a return to the more typical humid conditions that characterize the coastal region.
September in Iquique, Chile, ushers in a return to extreme UV exposure, with a UV Index of 11 and a burn time of just 10 minutes. This marks a significant shift back to high-intensity sun conditions after the relatively lower readings of the winter months. As the region transitions from winter to spring, the UV Index starts to mirror the peak levels seen in the earlier months of the year, reminding residents and visitors alike to protect their skin. With the sun’s intensity ramping up once more, it’s essential to stay informed about daily UV levels. For more detailed information, visit the Iquique UV Index.
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As September dawns in Iquique, Chile, the city basks in an impressive 340 hours of sunshine, marking a delightful transition from winter to spring. This month showcases a steady increase in sunlight compared to the previous months, positioned between the vibrant August and the radiant October, which boasts 368 hours. Notably, the progression from January's 300 hours through to August's 335 hours reflects a general upward trend in daylight, culminating in the sun-drenched days of early spring. As the warm sun graces Iquique, locals and visitors alike revel in the beauty that this abundant sunshine brings, setting the tone for the brighter days of the coming months.
As September rolls in, the likelihood of sunny weather in Iquique, Chile takes a noticeable dip, falling to 26%. This marks the end of the winter months, characterized by gradually declining sun exposure, which peaks in the early year with figures hovering around 61% in January and February. After a relatively brighter August with 37%, September's chances reflect the onset of the cooler season, marking a significant shift. As the month progresses, residents and visitors alike may find themselves longing for the sunny days of earlier months, with October bringing a slight uptick to 47%. Overall, September signals a transition away from the sun-drenched days of winter, setting the stage for a changing climate as spring approaches.
In Iquique, Chile, the trend of daylight duration throughout the year reveals a consistent rhythm dictated by the seasons. September offers 11 hours of daylight, maintaining the same duration experienced in the latter part of winter. This stability signals the gradual transition toward longer days, as daylight begins to extend slightly in the following month of October to 12 hours. The pattern indicates that after the summer peak of 13 hours in January and November, daylight starts to recede, but September's balance of light lays the groundwork for the brightness that will soon return as the region moves deeper into spring. This predictable cycle not only shapes daily life in Iquique but also enhances the beauty of the coastal scenery throughout the year.
As September arrives in Iquique, Chile, the winds begin to shift, bringing a noticeable increase in average wind speed to 4.1 m/s (9 mph). This gentle breeze sets the stage for the transition into spring, with winds steadily picking up since the quieter days of early summer, where January's breeze measured a mere 2.8 m/s (6 mph). Over the months, the wind has gradually increased, particularly during the winter months, peaking in September just before a slight dip in October. This trend not only signals the changing seasons but also enhances the coastal charm of Iquique, making it an ideal time for adventurers and outdoor enthusiasts to embrace the invigorating air as it dances along the shores.
Weather in Iquique varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Iquique, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather in Iquique tends to be cooler with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 18°C (64°F) and an average of 15°C (59°F). This month also experiences more precipitation, with about 23 mm (0.9 in) falling over 7 days, alongside a humidity level of 81%. In contrast, January brings warmer weather, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 25°C (77°F) and an average of 20°C (69°F). Another notable difference is the significantly lower precipitation in January, with only 3 mm (0.1 in) recorded across 0 days, while the humidity increases slightly to 84%. For more details on January weather, you can visit Iquique weather in January.
September and February exhibit markedly different weather patterns. In September, the average temperature ranges from a minimum of 12°C (54°F) to a maximum of 18°C (64°F), with 23 mm of precipitation spread over approximately 7 days, resulting in a relatively humid environment at 81%. In contrast, February boasts warmer average temperatures, with a minimum of 17°C (62°F) and a maximum reaching 24°C (76°F). Additionally, February experiences significantly less precipitation, only about 5 mm over just 1 day, while humidity rises slightly to 85%. For more details about February weather in Iquique, you can check this link: Iquique weather in February.
In September, temperatures are generally cooler, with a minimum of 12°C (54°F) and an average of 15°C (59°F), peaking at 18°C (64°F). This month also sees more precipitation, with about 23 mm (0.9 in) falling over 7 days, and a humidity level of 81%. In contrast, March experiences warmer temperatures, ranging from a minimum of 15°C (60°F) to a pleasant average of 20°C (67°F), reaching a maximum of 24°C (75°F). Additionally, March is much drier, with only 2 mm (0.1 in) of precipitation and no rainy days, though it has a slightly higher humidity of 85%. For more details, check the Iquique weather in March.
In comparing the weather between September and April, September tends to be cooler with average temperatures ranging from 12°C (54°F) to 18°C (64°F), while April enjoys warmer conditions that span from 14°C (58°F) to a maximum of 22°C (72°F). Additionally, September experiences more precipitation, with 23 mm (0.9 in) over approximately 7 days, whereas April is notably drier, recording only 7 mm (0.3 in) with no rainy days at all. The humidity levels are quite similar, with September at 81% and April slightly higher at 86%. For more detailed insights into April’s weather, you can visit Iquique weather in April.
In comparing the weather between September and May, September tends to be slightly cooler, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 18°C (64°F). In contrast, May offers a warmer climate, with temperatures averaging between 14°C (58°F) and 21°C (70°F). Precipitation levels are quite similar in both months, with September receiving 23 mm (0.9 in) and May slightly less at 21 mm (0.8 in), both spread over about 7 days. Notably, humidity is slightly lower in September at 81% compared to May’s 84%. For more details on May weather, you can refer to Iquique weather in May.
In comparing the weather between September and June, we find that September tends to be slightly cooler, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 18°C (64°F), compared to June, which has a slightly warmer average of 16°C (61°F) with temperatures from a minimum of 13°C (55°F) to a maximum of 19°C (67°F). Additionally, September receives less precipitation, with 23 mm (0.9 in) over 7 days, while June experiences 31 mm (1.2 in) spread across 14 days. Humidity is relatively similar for both months, with September at 81% and June at 83%. For more detailed insights, check out Iquique weather in June.
In comparing the weather in September and July, we can see some notable differences. September experiences slightly cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 18°C (64°F), while July has a broader range, from a minimum of 11°C (52°F) to a warmer maximum of 20°C (67°F). Precipitation is higher in July, averaging 34 mm (1.3 in) over 16 days, compared to September's 23 mm (0.9 in) over just 7 days. Interestingly, both months maintain identical humidity levels at 81%, contributing to a consistently damp atmosphere. For those interested in more detailed insights, you can check Iquique weather in July.
In comparing the weather between September and August, we see that both months share similar temperature ranges, with minimums at 12°C (54°F), average temperatures at 15°C (59°F), and maximums reaching 18°C (64°F). However, September experiences slightly less precipitation, totaling 23 mm (0.9 in) over 7 days, compared to August's 29 mm (1.2 in) over 14 days. Additionally, the humidity levels are nearly identical, making for a consistently moist atmosphere throughout this late winter to early spring transition. For more detailed insights into August's weather, visit Iquique weather in August.
In September, the weather tends to be slightly cooler with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 18°C (64°F) and a total precipitation of 23 mm (0.9 in) over 7 days. This month also has high humidity levels at 81%. In contrast, October brings a modest warming trend, with minimum temperatures of 13°C (56°F) and maximums reaching 20°C (68°F). Precipitation decreases to 17 mm (0.7 in) and is mostly confined to just 2 days, while humidity remains fairly high at 83%. For more insights on the weather in October, check out Iquique weather in October.
In September, the weather tends to be slightly cooler, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 18°C (64°F). This month experiences a notable amount of rainfall, totaling 23 mm (0.9 in) over approximately 7 days, and humidity levels are around 81%. In contrast, November sees a gentle increase in temperatures, with averages ranging from 14°C (58°F) at night to a warm 20°C (68°F) during the day. Precipitation decreases significantly to just 13 mm (0.5 in) over only 1 day, and humidity levels rise slightly to 84%. For more details on the weather in November, you can explore Iquique weather in November.
In September, the weather is generally cooler with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 18°C (64°F). During this month, the city experiences around 23 mm (0.9 in) of precipitation over about 7 days, coupled with a humidity level of 81%. In contrast, December brings warmer conditions, with average temperatures between 16°C (60°F) and 22°C (71°F) and significantly less rainfall, totaling just 7 mm (0.3 in) over 0 days. Despite both months experiencing the same humidity of 81%, December offers a drier and warmer climate, making it a more favorable time for outdoor activities. For those interested in specific December weather details, you can find more information here: Iquique weather in December.
As September rolls into Iquique, the weather begins to shift, heralding the arrival of spring. With average temperatures hovering around a mild 15°C, the city experiences a blend of cool and pleasant days, contrasting sharply with the sharper cold of winter months. Although the humidity remains notably high, at 81%, and a few rain showers—totaling about 23 mm over seven days—can be expected, these factors add a refreshing touch to the air rather than dampening spirits. This transitional month stands out with its unique charm, making it an appealing time for visitors to enjoy the city’s vibrant atmosphere. To explore more about the weather patterns year-round, visit Iquique Climate.