September Weather in Lago Puelo, Argentina

Last updated: August 21, 2025

In Lago Puelo, Argentina, the weather in September presents a fascinating blend of temperatures and humidity. With a maximum of 20°C (68°F) and an average of 3°C (38°F), the region transitions from the chill of winter to the warmth of spring. However, nights can plummet to a brisk -9°C (16°F). Precipitation is notable this month, with 100 mm (3.9 in) falling across 13 days, contributing to an overall humidity level of 85%. This combination of factors makes September a time of refreshing change, setting the stage for the vibrant beauty of the coming season.

September Temperature in Lago Puelo

In September, Lago Puelo, Argentina begins to shake off the cold grip of winter, transitioning into the vibrant hues of spring. With temperatures ranging from a chilly -9°C (16°F) at night to a comfortable 20°C (68°F) during the day, the area witnesses a notable rise compared to the previous months. The average temperature hovers around 3°C (38°F), marking a significant shift as the days grow longer and more inviting. This seasonal change is characterized by a gradual warming trend, reflecting the region's move from the frigid depths of winter to the budding warmth of late spring. As nature awakens, visitors can expect crisp, fresh air perfect for exploring the stunning landscapes that surround this picturesque locale.

September Weather in Lago Puelo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lago Puelo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lago Puelo, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec555752463933333537414954
Data source: Temperature data for Lago Puelo generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Lago Puelo

In Lago Puelo, Argentina, September marks a notable transition in precipitation patterns, with the month receiving 100 mm (3.9 in) of rainfall over approximately 13 days. This amount reflects a steady decline from the peak June rainfall of 233 mm (9.2 in), but it remains significant in comparison to the preceding summer months, indicating the region’s continued vitality as it heads into spring. Following August’s 191 mm (7.5 in), September’s precipitation is a reminder of the lingering winter influence, as the landscape prepares for warmer days. The data suggests a trend of increasing rainfall leading into the mid-year months, with September striking a balance between the previous heavier downpours and the lighter, yet still substantial, rains of October and November. This pattern not only highlights seasonal shifts but also underscores Lago Puelo's diverse climatic character.

September Precipitation Trends in Lago Puelo

The chart displays monthly precipitation patterns in Lago Puelo, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Lago Puelo, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5136751041552331761911001269766
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Lago Puelo

In Lago Puelo, Argentina, September marks a transition as humidity begins to ebb slightly from the peak summer months, settling at a comfortable 85%. This slight decline follows a summer peak in August, where humidity reached 90%, highlighting the region's tendency for high moisture levels as it approaches the fall season. From January's moderate 73% to the lush 89% of July and June, humidity sees a gradual increase for much of the year, creating a richly damp environment. As the year progresses, September signals a shift back towards drier months, with October allowing for a further decrease to 80%. This pattern of humidity not only shapes the local climate but also influences the vibrant ecosystem Lago Puelo is known for.

September Average Humidity in Lago Puelo

This chart illustrates the average monthly humidity levels in Lago Puelo, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Lago Puelo is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%75%75%85%88%89%89%90%85%80%74%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lago Puelo

As the seasons shift in Lago Puelo, Argentina, September marks a transition towards increased sun intensity, reflected in a UV Index of 7 and a high exposure category, with a burn time of approximately 25 minutes. This uptick in UV levels follows the more moderate conditions of the winter months, where the Index hovered around 3 to 5 from June to August. It signals a resurgence of sun strength, especially as the region heads into the warmer months. Comparatively, the UV Index will rise significantly in October, reaching 10, before peaking again during the summer, with extreme values in January and February. For detailed information on UV exposure, visit Lago Puelo UV Index.

Maximum UV Index Levels in Lago Puelo for September

The chart shows the monthly maximum UV Index (UVI) for Lago Puelo in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Lago Puelo typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14139643357101314
Data source: Lago Puelo September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Lago Puelo

As September unfolds in Lago Puelo, Argentina, the region eagerly welcomes 233 hours of sunshine, signaling the transition into spring. This month marks a sweet return to brighter days after the chilly winter months, with sunshine hours progressively increasing since the depths of June, where sun exposure plummeted to just 117 hours. Comparatively, September enjoys a healthier glow than the preceding months, highlighting a delightful turnaround in daylight. By embracing the warmth of spring, Lago Puelo looks forward to October's expected 255 hours of sunlight, suggesting a gentle crescendo towards the summer months filled with bright skies and vibrant landscapes.

Monthly Sunshine Duration in Lago Puelo: September Highlighted

The September sunshine duration represents the total number of hours Lago Puelo experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec286h310h300h227h174h117h152h181h233h255h297h349h
Data source: Lago Puelo September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lago Puelo During September

In Lago Puelo, Argentina, the likelihood of sunny weather sees a notable shift as September rolls around, with a 34% chance of sunny days. While this is an improvement from the dreary winter months of June and July, where sunshine chances dip to around 20%, it still lags behind the more vibrant summer months. As the region transitions from winter to spring, September marks a hopeful increase in daylight, but it remains significantly less sunny compared to the peak seasons of January and February, which boast probabilities of 60% and 69% respectively. As the days lengthen and temperatures rise, locals and visitors alike can anticipate a gradual return to brighter skies, paving the way for a sunnier October with a 40% chance of sun.

Percentage of Sunny Days in September in Lago Puelo

The chart illustrates the percentage of sunny days in Lago Puelo throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Lago Puelo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec60%69%56%26%25%23%20%26%34%40%41%67%
Data source: Lago Puelo September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lago Puelo in September

As September arrives in Lago Puelo, Argentina, the daylight duration begins its gentle ascent, offering a refreshing 11 hours of sunshine—a subtle shift from the shorter days of winter. This trend marks the transition towards spring, leading into a delightful increase in light as October approaches with 13 hours. Notably, the daylight hours show a gradual ebb and flow throughout the year, peaking in December with an impressive 15 hours. The pattern illustrates the region's seasonal rhythm, where longer days herald the warmth and vibrancy of the upcoming months, inviting both locals and visitors alike to immerse themselves in the beauty of nature as it awakens.

Average Daylight Hours in Lago Puelo for September

The chart illustrates the variation in daylight duration in Lago Puelo throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 48m13h 41m12h 17m10h 53m9h 43m9h 9m9h 27m10h 29m11h 50m13h 14m14h 30m15h 9m
Data source: Lago Puelo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Lago Puelo

As September unfolds in Lago Puelo, Argentina, the gentle caress of the wind continues to weave its way through the landscape, maintaining an average speed of 1.6 m/s (4 mph). Following the mild breezes of winter and the early spring awakenings, September offers a transition into more dynamic weather patterns, hinting at the approaching warmth of October, which sees a slight uptick in wind speed to 1.9 m/s (4 mph). Throughout the year, the wind trends reveal a relatively stable atmosphere, with speeds hovering between 1.5 m/s (3 mph) and 1.9 m/s (4 mph), fostering an environment that is both tranquil and inviting. This consistency makes Lago Puelo a serene spot for nature lovers, where each breeze whispers stories of the pristine surroundings.

Average September Wind Speed in Lago Puelo

The chart displays monthly wind speed patterns in Lago Puelo, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.51.61.51.61.71.71.71.6 m/s1.91.91.8
Data source: Lago Puelo September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Lago Puelo Compares to Other Months

Weather in Lago Puelo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lago Puelo, focusing on differences in temperature, rainfall, humidity, and UV levels.

Comparing the weather in September and January reveals some significant differences. September features a broader temperature range, with minimums dropping to -9°C (16°F) and average temperatures around 3°C (38°F), while maximums can reach 20°C (68°F). The month also experiences higher precipitation, with about 100 mm (3.9 in) spread over approximately 13 days, leading to a humid atmosphere at 85%. In contrast, January enjoys milder conditions, with minimums of -1°C (30°F) and averages of 13°C (56°F), peaking at 28°C (83°F). This month is generally drier, receiving only 51 mm (2.0 in) of precipitation over 6 days and lower humidity levels at 73%. For more insights on January weather in this region, check out Lago Puelo weather in January.

When comparing the weather in September and February, it's clear that February typically enjoys milder and more stable temperatures. September sees a wider range with minimum temperatures dropping to -9°C (16°F) and averages around 3°C (38°F), peaking at a maximum of 20°C (68°F). Additionally, September experiences higher precipitation with about 100 mm (3.9 in) spread over 13 days, resulting in a humidity level of 85%. In contrast, February boasts warmer conditions with minimums at 0°C (32°F) and average temperatures reaching 14°C (58°F), peaking at 33°C (92°F). Rainfall is significantly lower in February, with only 36 mm (1.4 in) over 4 days and a reduced humidity level of 75%. For more detailed weather information in February, you can refer to Lago Puelo weather in February.

In September, the weather tends to be colder, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 20°C (68°F), and an average of just 3°C (38°F). It also experiences considerable precipitation, totaling 100 mm (3.9 in) over approximately 13 days, with high humidity levels at 85%. In contrast, March enjoys milder temperatures, with a minimum of -2°C (28°F) and a maximum reaching 29°C (85°F), averaging around 11°C (52°F). Precipitation is lower in March, with about 75 mm (2.9 in) spread over 8 days and a decrease in humidity to 75%. For a more detailed look at the March weather, check out this link: Lago Puelo weather in March.

September and April present distinct weather patterns despite their close proximity in the calendar year. In September, temperatures range from a minimum of -9°C (16°F) to a maximum of 20°C (68°F), with an average of 3°C (38°F). The month experiences approximately 100 mm (3.9 in) of precipitation over 13 days, accompanied by a high humidity level at 85%. In contrast, April offers slightly milder conditions, with temperatures ranging from -10°C (14°F) to a maximum of 22°C (71°F), and an average temperature of 8°C (46°F). The precipitation increases slightly to 104 mm (4.1 in) over the same number of rainy days. Both months share a high humidity of 85%, indicating a cool and damp atmosphere. For more detailed information on the weather dynamics, you can visit Lago Puelo weather in April.

When comparing the weather in September and May, both months present a similar average temperature, with September at 3°C (38°F) and May slightly cooler at 4°C (40°F). However, May experiences lower minimum temperatures, dropping to -15°C (6°F), compared to September's minimum of -9°C (16°F). In terms of rainfall, May has more precipitation, totaling 155 mm (6.1 in) over 16 days, while September sees 100 mm (3.9 in) over 13 days, indicating that May is generally wetter. Additionally, humidity levels are slightly higher in May at 88% compared to September's 85%. For a more detailed look at May weather in the region, visit Lago Puelo weather in May.

When comparing the weather in September to that in June, significant differences emerge in temperature and precipitation. September experiences a wider temperature range, with a minimum of -9°C (16°F) and a maximum of 20°C (68°F), averaging at 3°C (38°F). In contrast, June's temperatures are generally lower, with a minimum of -15°C (4°F) and a maximum of just 11°C (52°F), averaging 0°C (33°F).

In terms of precipitation, June is notably wetter, receiving 233 mm (9.2 in) over 21 days compared to September's 100 mm (3.9 in) over 13 days. The humidity levels also remain high for both months, with June at 89% and September at 85%. For a more detailed look, you can check Lago Puelo weather in June.

In comparing the weather of September and July, September tends to be milder, with temperatures ranging from a minimum of -9°C (16°F) to a maximum of 20°C (68°F) and an average of 3°C (38°F). This warmer atmosphere results in less precipitation compared to July, as September sees 100 mm (3.9 in) over 13 days. In contrast, July is considerably colder, with temperatures dropping as low as -15°C (6°F) and only reaching a maximum of 9°C (49°F), along with higher precipitation levels of 176 mm (6.9 in) across 17 days. Additionally, July has slightly higher humidity at 89% compared to September's 85%. For more specifics about July weather, you can refer to Lago Puelo weather in July.

In comparing the weather of September and August, September offers slightly milder temperatures, with an average of 3°C (38°F) compared to August's average of 2°C (35°F). Both months experience the same minimum temperature of -9°C (16°F), but September sees a significantly higher maximum temperature of 20°C (68°F), in contrast to August's peak of 11°C (53°F). Precipitation is also more frequent in August, totaling 191 mm (7.5 in) over 18 days, while September has less rainfall at 100 mm (3.9 in) across 13 days. Humidity levels remain high in both months, with September at 85% and August slightly higher at 90%. For those interested in more details about weather conditions, you can refer to Lago Puelo weather in August.

In September, temperatures range from a chilly minimum of -9°C (16°F) to a comfortable maximum of 20°C (68°F), with an average temperature of 3°C (38°F). The month experiences notable precipitation, totaling 100 mm (3.9 in) over 13 rainy days, and humidity levels hover around 85%.

In contrast, October sees a slight increase in temperatures, with a minimum of -7°C (20°F) and a maximum reaching 23°C (74°F), resulting in an average of 5°C (41°F). Precipitation also rises to 126 mm (4.9 in) over 15 days, while humidity decreases to 80%. This shift in weather marks a transition toward milder and slightly wetter conditions. For more detailed weather insights, check out Lago Puelo weather in October.

In comparing the weather between September and November, we see notable differences in temperature and humidity. September experiences a wider temperature range, with minimums dropping to -9°C (16°F) and averages around 3°C (38°F), while November sees milder conditions with minimum temperatures around -3°C (27°F) and an average of 9°C (49°F). Additionally, November boasts warmer maximum temperatures reaching up to 25°C (76°F), compared to September's maximum of 20°C (68°F). Precipitation levels are similar, with September having 100 mm (3.9 in) over 13 days and November slightly lower at 97 mm (3.8 in) over 11 days. Humidity also decreases from September's 85% to November's 74%, making November feel less damp. For more details on November weather, you can visit Lago Puelo weather in November.

In September, the weather is marked by a wide temperature range, with minimums dropping to -9°C (16°F) and averages hovering around 3°C (38°F). The average maximum temperature reaches 20°C (68°F), but the month brings substantial precipitation of 100 mm (3.9 in) over 13 days, contributing to a high humidity level of 85%. In contrast, December experiences warmer conditions, with minimum temperatures around -1°C (31°F) and much higher averages at 12°C (54°F). The maximum temperatures can soar to 31°C (89°F), while precipitation decreases to 66 mm (2.6 in) over just 9 days, resulting in lower humidity levels of 74%. For more detailed information, you can check Lago Puelo weather in December.

Compare Lago Puelo's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Lago Puelo

As September unfolds in Lago Puelo, it brings a refreshing shift in weather, distinguishing itself from the warmer months preceding it. With average temperatures resting at a cool 3°C, the brisk air serves as a gentle reminder that winter's grip is fading, although nights can still dip to a chilly -9°C. This transitional month sees a notable increase in precipitation, with about 100 mm falling over 13 days, contributing to the lush landscapes as spring approaches. Coupled with an 85% humidity level, the environment remains vibrant and alive, showcasing nature’s resilience. For a deeper understanding of the weather trends throughout the year, explore the details at Lago Puelo Climate.