Last updated: August 21, 2025
In September, El Bolsón experiences a dynamic climate characterized by a maximum temperature reaching 20°C (68°F) and dipping to a minimum of -9°C (16°F). With an average temperature of 3°C (38°F), this month marks the shift towards spring, bringing an average humidity of 85% that enhances the region's lush scenery. Rainfall is quite notable, totaling 100 mm (3.9 in) across approximately 13 days, making September a time of transformation as the landscape awakens from winter's chill. Visitors can expect a vibrant, refreshing atmosphere, perfect for exploring the stunning natural beauty of the Andes foothills.
In El Bolson, Argentina, the temperatures in September herald a refreshing transition into spring. With minimums around -9°C (16°F) and a pleasant average of 3°C (38°F), the chill of winter starts to fade, allowing for daytime highs to reach up to 20°C (68°F). This month stands out as the cusp of warmth, as temperatures gradually rise from the preceding cold months of August and July. Compared to earlier periods, September's weather encourages outdoor activities, inviting both locals and visitors to enjoy the breathtaking landscapes that come alive with blooming flora. As the season progresses, the increasing warmth not only brings a sense of renewal but also hints at the upcoming warmth of summer, making September a delightful time in this picturesque Argentine locale.
In September, El Bolson experiences a notable shift in weather patterns, with precipitation totaling 100 mm (3.9 in) over an average of 13 days. This marks a significant decrease in rainfall compared to the preceding months of June and August, which saw heavier downpours of 233 mm (9.2 in) and 191 mm (7.5 in), respectively. However, September's rainfall still reflects a moist landscape as the region transitions toward the drier autumn months. This trend highlights the typical pattern of increasing precipitation in the early winter months, peaking in June, before gradually waning. As the year progresses, the fluctuating rainfall lays the foundation for the rich biodiversity and lush landscapes that El Bolson is renowned for, intertwining the rhythms of nature with the seasonal changes.
In September, El Bolson experiences a notable shift as humidity levels recede to 85%, providing a slight relief from the peak of the winter months. This marks a decrease from the humid summer heights of 90% observed in August. As the year progresses, humidity in El Bolson exhibits a cyclical pattern, beginning at a comfortable 73% in January and gradually climbing to a peak in mid-year before tapering down again in the Spring and Summer months. The transition from the higher humidity of late winter to September's moderate levels signals the onset of a more temperate climate, making this month a refreshing prelude to the warmer seasons ahead.
In September, the UV Index in El Bolson, Argentina rises to 7, categorizing it as a high exposure level, with a burn time of just 25 minutes. This increase marks a transition from the milder winter months, where the UV Index lingered between 3 and 5, into more intense spring conditions. As the sun strengthens, locals and visitors alike should remain vigilant about sun safety, especially as the Index is set to climb even higher in the coming months. Notably, October will see the UV Index reach 10, prompting a shift back to the very high category. Understanding these trends is crucial for maintaining skin protection during outdoor activities. For more detailed insights, visit the El Bolson UV Index.
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In September, El Bolsón begins to bask in 233 hours of sunshine, signaling a gradual transition from the cooler winter months to the vibrant spring season. As the days grow longer, sunlight starts to dominate the weather, enhancing the captivating landscapes of this Argentinian gem. Following the relatively low sunshine in the winter months of June and July, which recorded only 117 and 152 hours respectively, September offers a welcome increase and hints at the sunnier days ahead. The consistent rise in daylight hours continues into the summer months, peaking in December with an impressive 349 hours. This trend not only rejuvenates the natural beauty but also beckons visitors to explore the lush trails and colorful markets that El Bolsón is renowned for.
In El Bolson, Argentina, the likelihood of sunny weather begins to shift as September arrives, offering a 34% chance of sun. While this is a noticeable improvement compared to the colder months of winter, such as July with only a 20% chance, it still falls short of the sunnier peak experienced in January and February. September marks a gradual transition toward warmer days, as the weather outlook begins to brighten, signaling the approach of spring. As the month progresses, residents and visitors can look forward to an increase in sunshine, setting the stage for more vibrant outdoor experiences in the months ahead.
As September arrives in El Bolsón, Argentina, the days begin to stretch with an average daylight duration of 11 hours. Following the winter months where daylight lingered around 9 hours, the gradual increase is a refreshing note after the serene stillness of winter. This trend of elongating days continues into October, where daylight leaps to 13 hours, heralding the vibrant colors of spring. With each passing month, El Bolsón transitions from the shorter, cozy days of winter to longer, sun-kissed hours, inviting locals and visitors alike to embrace the beauty of nature as it awakens.
In September, El Bolsón enjoys a gentle breeze with an average wind speed of 1.6 m/s (4 mph), reminiscent of the soft winds that characterize the transition into spring. This month marks a subtle dip in wind intensity compared to the preceding months, which consistently hovered around 1.7 m/s. As autumn approaches, the air becomes crisper, yet the winds remain mild, inviting outdoor activities and a deep connection to the picturesque landscape. Notably, what stands out in the months ahead is an anticipated increase, with wind speeds gradually rising to 1.9 m/s by October. This pattern hints at the lively and invigorating atmosphere that envelops the region, emphasizing El Bolsón's charm throughout the year.
Weather in El Bolson varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in El Bolson, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January display contrasting weather patterns. In September, temperatures range from a chilly minimum of -9°C (16°F) to a mild maximum of 20°C (68°F), averaging around 3°C (38°F). The month experiences significant precipitation, totaling 100 mm (3.9 in) over 13 days, accompanied by high humidity levels of 85%. In contrast, January sees much warmer temperatures, with a minimum of -1°C (30°F) and a maximum of 28°C (83°F), resulting in a comfortable average of 13°C (56°F). Additionally, January has lower precipitation at 51 mm (2.0 in) across only 6 days and a reduced humidity of 73%. For a more detailed look at January weather, you can check out El Bolson weather in January.
September and February present quite different weather patterns. September experiences cooler temperatures with a minimum of -9°C (16°F) and an average of 3°C (38°F), reaching a maximum of 20°C (68°F). It also sees significant precipitation, totaling 100 mm (3.9 in) over 13 days, coupled with high humidity at 85%. In contrast, February is markedly warmer, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 33°C (92°F), averaging around 14°C (58°F). Precipitation is much lower in February, at just 36 mm (1.4 in) over 4 days, and the humidity is slightly less at 75%. For more details on the weather in February, you can visit El Bolson weather in February.
In comparing the weather of September and March, we notice distinct differences in temperature and humidity. September experiences colder temperatures, with an average of 3°C (38°F) and a maximum of only 20°C (68°F), while March boasts a milder average of 11°C (52°F) and a high of up to 29°C (85°F). Additionally, September sees significantly higher humidity at 85% compared to March's 75%. Precipitation is also more prevalent in September, with 100 mm (3.9 in) over 13 days, whereas March has less at 75 mm (2.9 in) over just 8 days. For a detailed forecast, you can check El Bolson weather in March.
When comparing the weather in September and April, both months exhibit similar characteristics, but with notable differences in temperature. September typically has an average temperature of 3°C (38°F), while April enjoys a slightly warmer average of 8°C (46°F). The maximum temperatures are also comparable, with September reaching 20°C (68°F) and April slightly higher at 22°C (71°F). Precipitation levels are quite similar in both months, with September recording 100 mm (3.9 in) and April slightly higher at 104 mm (4.1 in), each experiencing rainfall on about 13 days. Humidity remains consistent at 85%, creating a cool and damp atmosphere in both months. For more detailed weather information, check out El Bolson weather in April.
In September, the weather exhibits a broader temperature range with a minimum of -9°C (16°F) and a maximum of 20°C (68°F), averaging around 3°C (38°F). The month is characterized by relatively lower precipitation, totaling 100 mm (3.9 in) over 13 days, along with a humidity level of 85%. In contrast, May experiences colder temperatures, with a minimum of -15°C (6°F) and a maximum of 18°C (64°F), while its average temperature is slightly higher at 4°C (40°F). However, May sees increased precipitation, totaling 155 mm (6.1 in) over 16 days, and a higher humidity level of 88%. For more details, you can check out El Bolson weather in May.
In comparing the weather between September and June, September showcases a broader temperature range, with minimums reaching -9°C (16°F) and maximums climbing to 20°C (68°F), while June experiences a chillier minimum of -15°C (4°F) and a maximum of just 11°C (52°F). September also sees significantly less precipitation, with 100 mm (3.9 in) over 13 days, compared to June's 233 mm (9.2 in) spread across 21 days. Humidity levels remain relatively high in both months, with September at 85% and June slightly higher at 89%. For more detailed information on June weather in El Bolson, check out El Bolson weather in June.
In comparing the weather of September and July, we find notable differences in temperature and precipitation patterns. September typically experiences a wider temperature range with a minimum of -9°C (16°F), an average of 3°C (38°F), and a maximum of 20°C (68°F), while July features cooler conditions with a minimum of -15°C (6°F), an average of 0°C (33°F), and a maximum of 9°C (49°F). Additionally, September sees about 100 mm (3.9 in) of precipitation over 13 days, which is less than July's 176 mm (6.9 in) of rainfall spread across 17 days. Humidity levels are relatively high in both months, at 85% for September and 89% for July, contributing to a damp atmosphere. For more details on July weather, check out this link: El Bolson weather in July.
September's weather showcases a noticeable improvement compared to August, with a higher average temperature of 3°C (38°F) versus August's 2°C (35°F). While both months experience a minimum temperature of -9°C (16°F), September boasts a much warmer maximum of 20°C (68°F), significantly exceeding August's 11°C (53°F). Precipitation also decreases in September, with 100 mm (3.9 in) over 13 days compared to August's 191 mm (7.5 in) over 18 days, indicating a drier month. However, humidity remains relatively high in both months, at 85% for September and 90% for August. For more details on August weather, you can visit El Bolson weather in August.
In September, the weather features a minimum temperature of -9°C (16°F) and an average of 3°C (38°F), with a maximum of 20°C (68°F). The month experiences considerable precipitation, totaling 100 mm (3.9 in) over 13 days, coupled with a high humidity level of 85%. In contrast, October sees slightly milder temperatures, with a minimum of -7°C (20°F) and an average of 5°C (41°F), reaching up to a maximum of 23°C (74°F). Precipitation increases to 126 mm (4.9 in), recorded over 15 days, while humidity drops to 80%. For a more detailed look at the weather patterns, check out El Bolson weather in October.
In comparing the weather of September and November, September presents a wider temperature range with a minimum of -9°C (16°F) and a maximum of 20°C (68°F), while November features a milder range, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 25°C (76°F). The average temperature in September is lower at 3°C (38°F) compared to November's average of 9°C (49°F). Precipitation levels are relatively similar, with September receiving 100 mm (3.9 in) over 13 days, while November sees slightly less at 97 mm (3.8 in) over 11 days. Additionally, September experiences higher humidity at 85%, compared to November's 74%. For more detailed insights into the November weather, you can check El Bolson weather in November.
In September, the weather in El Bolson features cooler temperatures, with a minimum of -9°C (16°F) and an average of 3°C (38°F) while reaching a maximum of 20°C (68°F). The month is marked by relatively high precipitation, totaling 100 mm (3.9 in) over 13 days, coupled with high humidity at 85%. In contrast, December experiences more mild conditions, with a minimum of -1°C (31°F) and an average of 12°C (54°F), peaking at a warmer 31°C (89°F). Additionally, December sees less precipitation at 66 mm (2.6 in) across 9 days and lower humidity levels at 74%. For more details, you can explore El Bolson weather in December.
As September arrives in El Bolsón, it ushers in a transitionary period that starkly contrasts the preceding winter months. Temperatures gradually rise, peaking at a comfortable 20°C (68°F), yet cool nights remind us of the lingering chill with lows around -9°C (16°F). This month is noted for increased precipitation, receiving about 100 mm (3.9 in) over roughly 13 days, contributing to the area's lush greenery. Overall, the high humidity of 85% adds to the crispness in the air, marking a fresh start that clearly differentiates September's weather from the drier, cooler conditions of winter. For a deeper insight into the climate patterns of this beautiful region, check out El Bolson Climate.