Last updated: August 21, 2025
Experience the delightful September weather in La Serena, Chile, where temperatures offer a pleasant range from a minimum of 7°C (44°F) to a maximum of 29°C (85°F). The average temperature hovers around 14°C (57°F), creating an inviting atmosphere for outdoor activities. With only 1 mm (0.1 in) of precipitation and 0 days of rain, this month promises plenty of sunshine and dry conditions. Enjoy the comfortable 50% humidity, making it the perfect time to explore the stunning coastline and vibrant local culture!
In September, La Serena, Chile, begins to emerge from winter's chill, showcasing a mild climate that hints at the warmth of spring. With temperatures ranging from a minimum of 7°C (44°F) to a comfortable maximum of 29°C (85°F), the average temperature settles at 14°C (57°F), making it an inviting time for outdoor activities. This month marks a gradual warming trend, with daily highs rising significantly from the cooler autumn months, offering a delightful mix of sunny days and pleasant breezes. As locals and visitors alike enjoy the shift in weather, September serves as a perfect prelude to the warm, vibrant months that follow in La Serena.
In September, La Serena experiences a typically dry climate, with only 1 mm (0.1 in) of precipitation recorded, marking it as one of the months with the least rainfall. This minor precipitation reflects the broader trend of increasing dryness throughout the spring season, following the wetter months of May and June. Notably, September has zero precipitation days, which aligns with the overall pattern of infrequent rain in the region, as the area transitions from winter to the warmer spring months. As the year progresses, La Serena remains predominantly arid, emphasizing its reputation as a sun-drenched coastal city.
In September, La Serena experiences a relative humidity level of 50%, marking a transitional phase as the city shifts from the cooler, more humid months of winter into the spring season. After a peak in July and August, where humidity reached 67% and 64% respectively, September introduces a notable decrease. This drop aligns with the city's annual trend of decreasing humidity as the year progresses. Following this month, humidity continues to decline slightly into October at 48%, suggesting a gradual shift towards warmer and drier conditions. Overall, September exemplifies a balanced period in La Serena’s climate, where the lingering coolness of winter meets the burgeoning warmth of spring, all encapsulated within a moderate humidity level.
In September, La Serena experiences a notable transition in UV exposure, with the UV Index peaking at 9, categorizing it as very high. This rise signals the end of the winter months, where the burn time shortens to 15 minutes, making sun protection essential for outdoor activities. As the region shifts from moderate levels earlier in the year, it emphasizes the need for vigilance against harmful UV radiation. This trend continues into October, where the UV Index escalates further to 11. For more detailed information about UV exposure levels throughout the year, visit La Serena UV Index.
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September in La Serena, Chile, welcomes 334 hours of sunshine, continuing the region's trend of warming days as it transitions into spring. Following a winter of lesser light in June and July, where sunshine dipped to 274 hours, there’s a noticeable uptick in brightness, suggesting rejuvenation and vitality. As summer approaches, this month serves as a bridge, hinting at the even sunnier months ahead; October is expected to shine brightly with 368 hours. The steady increase from August’s 319 hours to September’s 334 hours not only reflects the gradual lengthening of days but also casts an inviting glow on this coastal city, beckoning locals and travelers alike to bask in its pleasant climate.
In La Serena, Chile, September emerges as a particularly promising month for sunshine, boasting a 75% chance of clear skies. This notable increase marks a shift from the cooler, cloudier months that precede it, with the likelihood of sunny weather rising from 54% in July to an impressive 75% by September. As the arrival of spring brings warmth and light after the winter months, this trend not only signals an end to the gray skies but also invites residents and visitors alike to bask in the rejuvenating sunshine that the region has to offer. With October maintaining a close 74% chance, it’s clear that the sunny season is on the horizon, making September an ideal time to enjoy the vibrant beauty of this coastal city.
As September unfolds in La Serena, Chile, the daylight duration holds steady at 11 hours, signaling the gradual transition from the longer days of winter to the more abundant sunlight of spring. Following the pattern established over the months, daylight begins to increase again, paving the way for October's return to 12 hours. This rhythmic ebb and flow of daylight not only marks the changing seasons but also invites residents and visitors alike to embrace outdoor activities as the days grow longer. With the promise of 13 hours of daylight just around the corner in November, La Serena awakens to the vibrant energy of spring, encouraging a lively mix of nature and culture in this coastal paradise.
As September arrives in La Serena, the breeze begins to weave a gentle narrative of change. With an average wind speed of 1.8 m/s (4 mph), September marks a transition into a slightly more lively atmosphere after the mild winds of winter. Following the calmness of May and June, where winds hovered below 1.5 m/s, the shift towards warmer months is palpable, echoed by a gradual increase leading into October. This subtle uptick in wind speed foreshadows the return of prevailing breezes, paving the way for summer's vibrant energy. The consistency of around 4 mph in the months of January, February, and November indicates La Serena’s steadiness in coastal winds, but it's September's refresh that signals the approach of a more animated season. Thus, the September wind serenades the shores, inviting both locals and visitors to embrace the gentle yet invigorating spirit of spring.
Weather in La Serena varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in La Serena, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is cooler with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 29°C (85°F), and the average temperature settles at around 14°C (57°F). The month experiences minimal precipitation, with only 1 mm expected and no rainy days, while humidity levels hover around 50%. In contrast, January is slightly warmer, featuring a minimum temperature of 11°C (53°F) and an average temperature of 19°C (66°F), reaching up to 27°C (81°F) at its peak. Like September, January also has no recorded rainfall and shows even lower humidity at 39%. For more details on January's climate, you can check out La Serena weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a chilly minimum of 7°C (44°F) to a pleasant maximum of 29°C (85°F), with an average temperature of 14°C (57°F) and a humidity level of 50%. In contrast, February enjoys warmer temperatures, with a minimum of 13°C (55°F) and an average of 19°C (67°F), reaching a maximum of 27°C (81°F). Both months experience minimal precipitation, with September receiving just 1 mm (0.1 in) and February seeing a mere 1 mm (0.0 in) as well. Interestingly, February has slightly lower humidity at 40%. For more details on February’s climate, you can visit La Serena weather in February.
In September, temperatures range from a minimum of 7°C (44°F) to a maximum of 29°C (85°F), with an average temperature of 14°C (57°F). The month boasts very low precipitation at just 1 mm, and no rainy days, along with a humidity level of 50%.
Conversely, March presents slightly warmer temperatures, with a minimum of 11°C (52°F) and a maximum of 26°C (80°F), averaging at 18°C (64°F). Similar to September, it experiences minimal precipitation (1 mm) and no rainy days, but with slightly lower humidity at 46%.
For a more detailed look at March weather, visit La Serena weather in March.
In September, the weather features a wider range of temperatures, with a minimum of 7°C (44°F) and a maximum of 29°C (85°F), resulting in an average temperature of 14°C (57°F). In contrast, April brings slightly warmer conditions, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 25°C (78°F), and an average of 16°C (61°F). While both months experience minimal precipitation (only 1 mm in September and 3 mm in April), they both enjoy dry days and consistent humidity levels of 50%. For a detailed look at the weather in April, you can visit La Serena weather in April.
In comparing the weather of September and May, we observe some notable differences. September boasts a wider temperature range, with a maximum of 29°C (85°F) compared to May's peak of 24°C (76°F), offering warmer conditions as summer approaches. Additionally, September experiences significantly less precipitation, averaging only 1 mm with no rainy days, while May sees about 35 mm of rain spread over three days, contributing to a more humid environment with a humidity level of 58%. Overall, September presents drier and warmer weather, while May is cooler and wetter. For more details, you can check La Serena weather in May.
In comparing the weather between September and June, September tends to be warmer, with average temperatures reaching 14°C (57°F) compared to June's 13°C (55°F). September also experiences a wider temperature range, peaking at 29°C (85°F), whereas June's maximum is a cooler 25°C (77°F). Additionally, September boasts minimal precipitation—only 1 mm (0.1 in) over no rainy days—while June sees a more considerable 28 mm (1.1 in) over two days, contributing to higher humidity levels at 62%. For a detailed look, you can check La Serena weather in June.
In comparing the weather of September and July, September boasts a higher average temperature of 14°C (57°F), with maximums reaching up to 29°C (85°F), while July's temperatures are generally cooler, averaging 12°C (54°F) and peaking at 25°C (77°F). September is also drier, experiencing no recorded precipitation, whereas July sees a bit of rain with 4 mm (0.1 in) over one day. Additionally, humidity levels are lower in September at 50%, compared to 67% in July, making September feel more comfortable overall. For more details on July weather conditions, you can refer to La Serena weather in July.
In September, the weather shows a slight increase in both minimum and average temperatures compared to August, with minimums of 7°C (44°F) and averages of 14°C (57°F) versus August's 5°C (42°F) and 13°C (55°F). Despite this increment, September maintains a maximum temperature similar to August, peaking at 29°C (85°F) and 30°C (85°F), respectively. Interestingly, precipitation decreases significantly in September to just 1 mm (0.1 in) compared to August's 3 mm (0.1 in), while the humidity drops from 64% in August to 50% in September, indicating a generally drier and more comfortable atmosphere. For more detailed insights, you can check La Serena weather in August.
In September, the weather tends to be slightly warmer, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 29°C (85°F) and an average of 14°C (57°F). In contrast, October sees a slight decrease in the minimum temperature at 6°C (43°F), but the average rises to 15°C (59°F) and the maximum remains similar at 28°C (83°F). Both months experience very little precipitation, with just 1 mm (0.1 in) recorded over zero days, and humidity levels are quite comparable at 50% in September and 48% in October. For a more detailed look at October weather, you can visit La Serena weather in October.
In September, the weather is characterized by a wider temperature range, with minimums dipping to 7°C (44°F) and maximums reaching up to 29°C (85°F), while the average temperature settles at 14°C (57°F). The month experiences minimal precipitation, averaging only 1 mm, and boasts 0 rainy days alongside a humidity level of 50%. In contrast, November presents slightly warmer conditions with a minimum temperature of 9°C (49°F) and an average of 16°C (61°F), though it shares the same maximum of 29°C (85°F) as September. Notably, November sees no precipitation, mirroring September's dry spell, but features lower humidity at 41%. For more details on the climate specifics in November, you can visit La Serena weather in November.
In September, the weather typically ranges from a minimum of 7°C (44°F) to a maximum of 29°C (85°F), with an average temperature of 14°C (57°F) and a moderate humidity level of 50%. The month experiences virtually no precipitation, making it a dry time of year. In contrast, December features slightly warmer temperatures, with a minimum of 10°C (50°F) and a maximum of 27°C (81°F), averaging around 17°C (64°F). Humidity drops to 35%, and much like September, December also sees no recorded precipitation. For more details on the December climate, visit La Serena weather in December.
As September arrives in La Serena, the weather begins to shift toward a warmer and drier climate, offering a delightful contrast to the cooler, wetter months that precede it. With temperatures reaching a pleasant maximum of 29°C (85°F) and minimal precipitation, visitors can bask in the sun with leisurely outdoor activities. The average temperature of 14°C (57°F) provides a comfortable atmosphere, making this month an ideal time for exploration without the crowding often found in the peak summer months. With impressive 50% humidity and no rainy days, September stands out as the perfect blend of warmth and dryness. For a deeper dive into the nuances of weather in this beautiful region, visit La Serena Climate.