Last updated: August 21, 2025
September in Perito Moreno, Argentina presents a unique blend of early spring chill and occasional warmth. With maximum temperatures reaching 17°C (64°F) and an average hovering around 7°C (44°F), visitors can expect crisp days and cool nights, where temperatures may dip as low as -4°C (25°F). This month sees about 22 mm (0.9 in) of precipitation over approximately 6 days, creating a refreshing atmosphere with 88% humidity that highlights the stunning glacial landscapes. Whether you’re navigating the scenic routes or exploring the breathtaking vistas, September offers a crisp, invigorating experience in this remarkable part of Patagonia.
In September, Perito Moreno, Argentina begins to feel the whispers of spring, with temperatures gradually rising from the chill of winter. The month sees a minimum of -4°C (25°F), an average of 7°C (44°F), and a comfortable maximum of 17°C (64°F). This marks a noticeable shift, as the days grow warmer compared to the preceding months of icy temperatures. As nature awakens, visitors can enjoy diverse outdoor activities against a backdrop of breathtaking landscapes, making September a delightful transition from the cold grasp of winter to the budding warmth of spring. The crisp air combined with the stunning glacier scenery creates a unique charm, inviting explorers to embrace the beauty of this stunning region.
In September, Perito Moreno experiences a moderate precipitation level of 22 mm (0.9 in), consistent with October’s rainfall but notably less than the peak months of April and June. With rain falling over six days, September reveals a transition from the wetter winter months, marking a shift towards drier conditions as spring approaches. This gradual decrease in precipitation can be observed from the 54 mm (2.1 in) recorded in June, reflecting the annual trend of diminishing rainfall leading into the warmer months. While still presenting a fair share of damp days, the overall pattern in September signals a gentle move toward clearer skies and the blossoming beauty of the upcoming season.
In September, Perito Moreno, Argentina experiences a noticeable shift in humidity levels, with an average of 88%. This marks a slight decrease from the peak levels seen in the winter months of July and June, which averaged an impressive 95% and 94%, respectively. As the region transitions into spring, humidity begins to taper off, yet it remains relatively high compared to the early part of the year. This trend highlights the humid subtropical climate that dominates the region, with September providing a breath of fresh air before the gradual decline continues into the summer months of October and November. Overall, visitors can expect a vibrant atmosphere, marked by lush landscapes nurtured by persistently high moisture levels.
In September, Perito Moreno experiences a notable shift in UV exposure, as the UV Index rises to 6, placing it in the high exposure category with a burn time of just 25 minutes. This increase follows the cooler winter months where the UV Index lingered at low levels, emphasizing the transition into spring. Compared to the previous month, August, where the index was moderate at 4, September signals a resurgence of solar intensity that should prompt outdoor enthusiasts to be vigilant about sun protection. As the season progresses towards summer, higher UV levels are expected, making it essential to stay informed about the UV Index. For those planning to enjoy the beauty of the region, knowing the UV Index is crucial—check out the details at Perito Moreno UV Index.
UV Risk Categories
September in Perito Moreno, Argentina, welcomes a gentle decline in daylight as winter fades, offering a pleasant 287 hours of sunshine. This month bridges the gap between the shorter days of winter and the vibrant energy of spring, showcasing a gradual increase in sunlight compared to the previous months of June and July, which saw only 179 and 186 hours respectively. As we transition into October, the sunlight cascades further, peaking at an impressive 353 hours, heralding the longer days ahead. The trend of rising sunlight hours clearly illustrates a shift towards warmth and revitalization, making September a delightful prelude to spring's full embrace.
In Perito Moreno, Argentina, September showcases a 57% chance of sunny weather, marking a slight uptick from the previous month of August, which sits at 45%. This month bridges the gap between the winter chill and the forthcoming warmth of spring, reflecting a gradual shift in climatic patterns. Notably, September enjoys a similar sunny disposition to earlier months like March and July, both at 59%. As the year progresses toward the peak summer months, the likelihood of sunshine continues to rise, creating an inviting backdrop for outdoor adventures amidst the breathtaking landscapes of Patagonia.
As winter yields to spring in Perito Moreno, Argentina, September marks a notable shift in daylight duration. After the short, dark months of winter, the arrival of September brings an increase in daylight to 11 hours, a welcome change that hints at the approaching warmth of spring. This gradual lengthening trend continues from the depths of winter, where daylight dips to just 8 hours in June and July. Following September, daylight increases further, reaching 13 hours by October and peaking at 15 hours during the summer months of January and December. This gradual rise in daylight not only invigorates the landscape but also invites opportunities for outdoor exploration and enjoyment of the stunning natural beauty the region has to offer.
In September, the winds in Perito Moreno, Argentina begin to shift from the gentle breezes of winter, averaging 4.8 m/s (11 mph). This marks a slight increase from the calmer months of May and June, hinting at the impending arrival of spring. Interestingly, September's winds are consistent with the preceding months, maintaining a steady pace that sets the stage for the gustier conditions anticipated in October. As we transition into spring, the winds beckon adventurers and nature enthusiasts alike to explore the stunning landscapes, making September a compelling blend of tranquility and anticipation.
Weather in Perito Moreno varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Perito Moreno, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by cooler temperatures, with a minimum of -4°C (25°F), an average of 7°C (44°F), and a maximum of 17°C (64°F). This month also tends to be relatively humid, with an average humidity of 88% and around 22 mm (0.9 in) of precipitation over 6 days. In contrast, January experiences much warmer conditions, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 30°C (86°F) and an average of 15°C (60°F). The humidity is slightly lower at 83%, and there is less precipitation, totaling 16 mm (0.6 in) over just 4 days. For more details on January weather, check out Perito Moreno weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a chilly minimum of -4°C (25°F) to a mild maximum of 17°C (64°F), with an average temperature of 7°C (44°F). The month sees about 22 mm (0.9 in) of precipitation over six days and high humidity at 88%. In contrast, February experiences significantly warmer temperatures, with a minimum of 6°C (42°F) and a maximum reaching 35°C (94°F), averaging 16°C (62°F). While February has slightly less precipitation at 17 mm (0.7 in) and only three rainy days, humidity remains relatively high at 86%. For more details on February weather, check out Perito Moreno weather in February.
When comparing the weather in September and March, notable differences emerge. September typically experiences cooler temperatures, with a minimum of -4°C (25°F) and an average of 7°C (44°F), peaking at 17°C (64°F). In contrast, March enjoys milder conditions, with a minimum of 1°C (34°F), an average of 14°C (57°F), and a maximum of 28°C (83°F). While both months see about six days of precipitation, September has slightly less rain with 22 mm (0.9 in) compared to March's 30 mm (1.2 in). Humidity levels are similar, hovering around 88% in September and 85% in March. For more detailed insights, check Perito Moreno weather in March.
September and April showcase distinct weather patterns, reflecting the transition from late winter to early spring. In September, temperatures average around 7°C (44°F) with a maximum of 17°C (64°F) and a minimum of -4°C (25°F). It experiences relatively low precipitation of 22 mm (0.9 in) over 6 days, with humidity at 88%. Conversely, April brings warmer temperatures, averaging 10°C (51°F) with highs reaching 21°C (70°F) and lows of -1°C (30°F). Rainfall increases, totaling 40 mm (1.6 in) across 7 days, accompanied by slightly higher humidity at 90%. For those interested in specific details about the weather during this time, check out Perito Moreno weather in April.
In September, the weather is characterized by cooler temperatures, with a minimum of -4°C (25°F), an average of 7°C (44°F), and a maximum of 17°C (64°F). The month experiences relatively light precipitation, totaling 22 mm (0.9 in) across about 6 days, contributing to a humidity level of 88%. In contrast, May mirrors September's temperature range with a minimum of -4°C (24°F), an average of 7°C (45°F), and a similar maximum of 17°C (63°F). However, May sees increased precipitation at 40 mm (1.6 in) over approximately 9 days, along with slightly higher humidity at 92%. For a more detailed comparison, you can explore Perito Moreno weather in May.
September and June exhibit notably different weather patterns, with September generally being milder. In September, temperatures typically range from a minimum of -4°C (25°F) to a maximum of 17°C (64°F), with an average of 7°C (44°F), and a lower precipitation total of 22 mm (0.9 in) over about 6 days. In contrast, June experiences colder temperatures, with a minimum of -9°C (15°F) and a maximum of 12°C (54°F), averaging around 4°C (39°F). Additionally, June is wetter, receiving 54 mm (2.1 in) of precipitation across approximately 11 days, coupled with higher humidity levels of 94%. For more details about June's weather, you can visit Perito Moreno weather in June.
In September, temperatures in Perito Moreno range from a minimum of -4°C (25°F) to a maximum of 17°C (64°F), with an average temperature of 7°C (44°F). This month sees less precipitation, with only 22 mm (0.9 in) over about six days, and a humidity level of 88%. In contrast, July experiences colder weather with a minimum of -11°C (13°F) and a maximum of 12°C (54°F), averaging around 3°C (38°F). Precipitation is higher in July at 35 mm (1.4 in) across eight days, coupled with higher humidity at 95%. For more detailed insights, you can check Perito Moreno weather in July.
When comparing the weather in September to August, September shows a slight improvement in temperatures, with averages rising to 7°C (44°F) compared to August's 5°C (41°F). The maximum temperatures in September also reach 17°C (64°F), surpassing August's maximum of 14°C (57°F). In terms of precipitation, September is drier with only 22 mm (0.9 in) over 6 days, contrasting with August's higher 38 mm (1.5 in) across 7 days. However, humidity remains relatively high in both months, with September at 88% and August at 93%. For more details about the weather in August, you can check Perito Moreno weather in August.
In September, the weather features a minimum temperature of -4°C (25°F) and an average of 7°C (44°F), with a maximum of 17°C (64°F). This month experiences 22 mm (0.9 in) of precipitation, spread over six days, and maintains a high humidity level of 88%. In contrast, October sees a slight rise in temperatures, with a minimum of -4°C (25°F), an average of 9°C (48°F), and a maximum reaching 20°C (69°F). While October also records 22 mm (0.9 in) of precipitation, it occurs over just five days and with a slightly lower humidity of 86%. For a closer look at what to expect, check out Perito Moreno weather in October.
September and November present contrasting weather conditions as the seasons shift. September typically features cooler temperatures, with a minimum of -4°C (25°F) and an average of 7°C (44°F), while November enjoys milder conditions, starting at a minimum of 3°C (37°F) and averaging 12°C (54°F). Additionally, September experiences slightly more precipitation spread over six days, totaling 22 mm (0.9 in), compared to November's 20 mm (0.8 in) over just five days. Humidity remains relatively high in both months, with September at 88% and November at 85%. For those considering travel, you can find more detailed information about the weather during this period at Perito Moreno weather in November.
September weather is characterized by cooler temperatures, with a minimum of -4°C (25°F) and an average of 7°C (44°F), peaking at a maximum of 17°C (64°F). There's notable humidity at 88% and light precipitation totaling 22 mm (0.9 in) over about 6 days. In contrast, December brings significantly warmer weather, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 30°C (86°F), resulting in an average of 15°C (60°F). Although it experiences slightly less precipitation at 15 mm (0.6 in) over just 4 days, the overall humidity remains relatively high at 84%. For more details on December weather, you can check Perito Moreno weather in December.
As September graces Perito Moreno, temperatures begin to rise, transitioning from the bitter chill of winter to the refreshing embrace of spring. While the maximum reaches a pleasant 17°C, the average remains a cool 7°C, reminding visitors to pack layers. Precipitation is relatively low with about 22 mm over six days, but the high humidity at 88% can make the air feel crisp and invigorating. This month stands out from the drier and warmer summer months, inviting nature enthusiasts to witness the captivating shift in scenery. For a deeper understanding of how September fits into the larger picture, explore the nuances of the region's climate in detail at Perito Moreno Climate.