Last updated: August 21, 2025
Iruya, Argentina, experiences a vibrant September, where temperatures range from a pleasant maximum of 23°C (73°F) to a crisp minimum of -3°C (27°F), with an average hovering around 9°C (49°F). This transitional month sees a moderate precipitation of 35 mm (1.4 in) spread across approximately 9 days, contributing to an overall humidity level of 59%. As the landscape shifts from winter's chill to the embrace of spring, Iruya's weather this month offers a unique blend of cool days and refreshing rains, perfect for exploration and enjoying the stunning natural beauty.
In Iruya, Argentina, September marks a subtle transition into spring, showcasing temperatures that gently rise after the chill of winter. With minimums hovering around -3°C (27°F) and averages reaching 9°C (49°F), the month signals a gradual warming trend as the landscape begins to awaken. The maximum temperatures can reach up to 23°C (73°F), offering pleasant daytime conditions perfect for exploration. While the coldest nights linger slightly longer, September is characterized by a noticeable shift from the frigid depths of winter to the more inviting warmth of the upcoming months, setting the stage for a vibrant seasonal transformation.
In September, Iruya, Argentina, marks a noticeable shift in its precipitation pattern, with 35 mm (1.4 in) of rain falling over 9 days. This increase is a welcome reprieve after the dry spell of the previous months, particularly June and July, which recorded virtually no rainfall. Compared to the earlier winter months, where precipitation dwindled to a mere 3 mm, September signals the onset of a wetter season, setting the stage for the more substantial downpours that follow in October and November. The terrain begins to rejuvenate, as the steady drip of rain begins to nourish the landscape, bridging the gap between the dry winter and the lush, vibrant spring ahead.
In September, Iruya, Argentina, experiences a noticeable shift in humidity as it transitions from the arid summer months. After the peak of August's dry spell at 43%, September sees a rise to 59%, signaling the gradual return of moisture to the atmosphere. This increase is in line with the overall trend of humidity rising from the lows of late winter, which saw figures as low as 49% in July. With the cooler days of autumn approaching, September’s humidity serves as a subtle reminder that the lushness of the approaching season is just around the corner, hinting at the refreshing changes that will unfold in October and beyond.
In September, Iruya experiences a UV Index of 16, classifying it in the extreme exposure category, with a burn time of just 10 minutes. This month continues the trend established from earlier in the year, where high UV levels dominate, peaking at 19 in February and maintaining a notably high level throughout the upcoming months. September's index reflects a slight resurgence after the cooling months of winter, setting the stage for an outdoor environment where sun safety becomes increasingly critical. As the days grow longer and sunnier, it's essential to stay vigilant with sun protection to enjoy Iruya's stunning landscapes responsibly. For more information about UV levels throughout the year, visit Iruya UV Index.
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September in Iruya, Argentina, bathes the charming landscape in a warm glow, offering 329 hours of sunshine that beckon both locals and travelers. This delightful month follows a robust summer, characterized by increasing daylight, as August peaks with 338 hours. As the days begin to shorten into autumn, the lingering warmth still provides a vibrant backdrop for exploration. September is a time when daylight hours begin to balance out, yet the sun’s radiant presence ensures the beauty of Iruya remains ever enchanting. With only a slight dip from the previous month, it stands as a reminder of the region's abundant light, setting an inviting stage for the adventures that await in the heart of the Andes.
As summer transitions into fall, September in Iruya, Argentina, offers a moderate chance of sunny weather at 57%. This month marks a shift from the predominantly sunny days of August, which boasts an impressive 82% chance of clear skies. While September still holds promise with more than half of its days likely to be basked in sunlight, it begins to hint at the fluctuating weather patterns that emerge as the season progresses. Following September, the probability of sunshine slightly increases again in October to 61%, creating a delightful contrast to the more overcast months of late spring and early winter. Thus, while you may encounter both sunshine and clouds in September, the overall trend towards sunnier days remains encouraging for those looking to enjoy the picturesque landscapes of Iruya.
As September unfolds in Iruya, Argentina, residents enjoy a delightful 11 hours of daylight, marking a subtle transition into the spring season. Following the somewhat shorter days of winter, this month maintains the same daylight duration as August, hinting at a gradual increase in sunlight as the year progresses. The trend from October onward promises longer days, as daylight stretches back to 12 hours, ultimately peaking at 13 hours in the festive months of November and December. This rhythmic annual cycle not only brightens the landscape but also invigorates the local community, embracing the longer, sunnier days ahead.
As September arrives in Iruya, Argentina, the winds begin to whisper at a gentle 1.6 m/s (4 mph), a continuation of the increasing trend seen as winter transitions to spring. This slight uptick in wind speed reflects the changing seasons, with the breeze bringing a refreshing sense of vitality after the more subdued months of winter. Following August's similar winds, September solidifies a pattern of consistent breezy conditions that set the stage for the upcoming warmer months. With October promising an even brisker 1.8 m/s (4 mph), Iruya's winds herald a vibrant shift towards lively spring days, enhancing the allure of this picturesque locale nestled in the Andes.
Weather in Iruya varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Iruya, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather presents a mild transition into autumn, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 23°C (73°F) and an average of 9°C (49°F). The month sees about 35 mm (1.4 in) of precipitation spread over 9 days, alongside a moderate humidity of 59%. In contrast, January is characterized by slightly warmer conditions, with temperatures fluctuating between 1°C (34°F) and 21°C (70°F), averaging 11°C (51°F). However, it experiences significantly higher precipitation, measuring 184 mm (7.2 in) over 23 days, along with increased humidity at 85%. For more detailed statistics about January weather, you can visit Iruya weather in January.
In comparing the weather conditions of September and February, we observe some notable differences. September experiences a broader temperature range with a minimum of -3°C (27°F) and a maximum of 23°C (73°F), averaging around 9°C (49°F). In contrast, February offers milder temperatures, ranging from a minimum of 2°C (37°F) to a maximum of 22°C (72°F), with an average of 10°C (51°F). Precipitation also varies significantly; September receives 35 mm (1.4 in) over 9 days, while February sees a substantial increase with 188 mm (7.4 in) spread over 26 days, contributing to much higher humidity levels of 88%. For a more detailed look, you can check Iruya weather in February.
When comparing the weather in September and March, we notice distinct differences in both temperature and precipitation patterns. In September, temperatures range from a minimum of -3°C (27°F) to a comfortable maximum of 23°C (73°F), with an average of 9°C (49°F). The month experiences relatively low precipitation, totaling 35 mm (1.4 in) over 9 days, and humidity levels are moderate at 59%.
In contrast, March brings slightly milder temperatures, with a minimum of 1°C (35°F) and an average of 10°C (50°F), while still peaking at a maximum of 23°C (74°F). However, it is significantly wetter, receiving 170 mm (6.7 in) of rainfall over 27 days, resulting in higher humidity at 88%. These differences indicate that while both months can have similar maximum temperatures, March tends to be much wetter and more humid. For more information on March weather in this region, check out Iruya weather in March.
September and April exhibit similar average temperatures, with both months averaging around 9°C (49°F) and peaking at 23°C (73°F). However, September experiences slightly milder conditions, with a minimum temperature of -3°C (27°F) compared to April's -4°C (25°F). One notable difference is in precipitation; September sees 35 mm (1.4 in) of rain over 9 days, while April is much wetter, with 84 mm (3.3 in) falling over 20 days, resulting in a significantly higher humidity level of 85% compared to September's 59%. For more details on April weather, you can check Iruya weather in April.
In comparing the weather of September and May, we notice distinct differences in temperature and precipitation patterns. September typically enjoys a broader temperature range, with minimums of -3°C (27°F) and maximums reaching 23°C (73°F), resulting in an average of 9°C (49°F). In contrast, May has slightly cooler temperatures, with lows of -5°C (22°F) and highs of 21°C (69°F), leading to an average of 7°C (45°F).
Precipitation is more common in September, with about 35 mm (1.4 in) falling over 9 days, compared to May's 18 mm (0.7 in) over just 5 days. Additionally, May tends to have higher humidity levels at 76%, compared to September’s 59%. For a closer look at May's weather specifics, you can check out Iruya weather in May.
When comparing the weather in September and June, September tends to be slightly warmer, with average temperatures reaching 9°C (49°F) compared to June's average of 7°C (44°F). Although both months have relatively mild maximum temperatures, with September peaking at 23°C (73°F) and June at 21°C (69°F), September experiences more precipitation, averaging 35 mm (1.4 in) over 9 days, while June has minimal rainfall at just 3 mm (0.1 in) across the entire month. Humidity levels are quite similar, with September at 59% and June at 58%. For more detailed insights into June weather in Iruya, you can visit Iruya weather in June.
When comparing the weather in September to July, it's clear that September is warmer and has more precipitation. In September, temperatures range from a chilly -3°C (27°F) at night to a pleasant 23°C (73°F) during the day, with an average of 9°C (49°F) and 35 mm of rainfall spread over 9 days. In contrast, July experiences cooler temperatures, with minimums reaching -7°C (20°F) and maximums peaking at 20°C (69°F), averaging only 7°C (44°F) and having virtually no rainfall at just 3 mm over 0 days. Additionally, September has a higher humidity level at 59%, compared to July’s 49%. For a more detailed look at July weather, you can check Iruya weather in July.
In comparing the weather of September and August, we see that September tends to be warmer overall, with an average temperature of 9°C (49°F) compared to August's 7°C (45°F). The maximum temperatures also reflect this trend, reaching up to 23°C (73°F) in September, while August peaks at 21°C (71°F). Furthermore, September experiences more precipitation, averaging 35 mm (1.4 in) over 9 days, in stark contrast to August's mere 7 mm (0.3 in) and just 1 day of rain. Additionally, September has a higher humidity level at 59%, compared to August's 43%. For more detailed insights into August's weather in this region, check out Iruya weather in August.
September and October show distinct differences in weather patterns. September features a minimum temperature of -3°C (27°F) and an average of 9°C (49°F), with maximums reaching 23°C (73°F). This month experiences relatively light precipitation of 35 mm (1.4 in) over 9 days, coupled with a humidity level of 59%. In contrast, October sees slightly warmer temperatures, with a minimum of -2°C (29°F), an average of 10°C (51°F), and maximums climbing to 24°C (75°F). However, it also brings significantly increased rainfall, totaling 98 mm (3.9 in) spread over 20 days, with humidity rising slightly to 60%. For more detailed insights, check out Iruya weather in October.
In comparing September and November, both months experience similar maximum temperatures of up to 23°C (73°F), but the overall weather conditions vary significantly. September features cooler minimum temperatures reaching as low as -3°C (27°F) and averagely sits at 9°C (49°F), while November starts at a minimum of 0°C (33°F) and has an average of 10°C (51°F). Notably, November is much wetter, with precipitation soaring to 168 mm (6.6 in) over 29 days compared to September's 35 mm (1.4 in) across 9 days, contributing to a higher humidity level of 69% compared to September's 59%. For more details on November weather, visit Iruya weather in November.
In September, temperatures in Iruya range from a chilly minimum of -3°C (27°F) to a comfortable maximum of 23°C (73°F), with an average of 9°C (49°F). The month experiences relatively low precipitation at 35 mm (1.4 in) over about 9 days, accompanied by a humidity level of 59%. In contrast, December sees a milder minimum temperature of 1°C (35°F) and a similar maximum of 22°C (72°F), with an increased average of 11°C (51°F). However, the month is significantly wetter, receiving 197 mm (7.8 in) of rain over 29 days, along with higher humidity at 76%. For more details, you can visit Iruya weather in December.
As September arrives in Iruya, the transition from the chilly winter months to the mild warmth of spring becomes evident. This month is characterized by a significant rise in temperatures compared to the cold, biting months prior, welcoming a refreshing average around 9°C while maximum highs can reach a comfortable 23°C. While the chilly nights can still dip to near-freezing levels, the overall climate is becoming more inviting. However, September does not come without its share of rain, experiencing about nine wet days that contribute to a total of 35 mm, fostering the lush landscapes synonymous with this time of year. With relatively moderate humidity at 59%, September offers a pleasant balance that stands in contrast to the extremes of both winter's cold and summer's heat. To delve deeper into the nuances of Iruya's climate, explore more at Iruya Climate.