Last updated: August 21, 2025
In September, Humahuaca, Argentina, experiences a delightful transition into spring, characterized by a maximum temperature reaching 23°C (74°F) and an average of 9°C (48°F). However, nights can be quite chilly, dipping to a minimum of -5°C (24°F). This month sees an average precipitation of 32 mm (1.2 in), spread over 7 days, contributing to a humidity level of 59%. Visitors can anticipate a mix of sunshine and occasional rain, perfect for exploring the stunning landscapes and rich culture of this Andean gem.
In September, Humahuaca's temperatures begin to shift as spring approaches, offering a refreshing respite from the winter chill. The minimum temperature hovers around -5°C (24°F), while the average rises to a moderate 9°C (48°F), allowing for comfortable daytime experiences. As the days gradually warm, the maximum temperature can reach up to 23°C (74°F), making it a perfect time for outdoor explorations. Compared to the preceding months, there’s a noticeable trend of increasing warmth and a hint of blooming life, signaling a delightful transition into the vibrant Argentine spring.
September in Humahuaca, Argentina, marks a transitional period in precipitation patterns, with 32 mm (1.2 in) of rain falling over 7 days. While this amount is notably lower than the summer months—like January and February, which see over 160 mm—September still plays a crucial role in replenishing the region after the dry spell of winter. As the landscape prepares for the more substantial rains of October, which average 65 mm (2.6 in), September serves as a gentle reminder of the coming burst of water that nurtures the vibrant flora and fauna of the area. This slight increase in rainfall compared to the preceding months illustrates a shift towards the wetter season, setting the stage for the lush transformations that define the latter part of the year.
As the seasons transition in Humahuaca, Argentina, September marks a notable shift in humidity levels. With a humidity of 59%, it is a significant increase from the drier months of July and August, which saw levels drop to 49% and 43% respectively. This rise suggests that the region is gradually waking up from its arid winter, anticipating the more humid conditions that come with spring. Interestingly, September's humidity is also a precursor to the wetter months ahead, as it is followed by an increase to 60% in October and 69% in November. Overall, the month serves as a bridge, blending the last remnants of dry air with the forthcoming warmth of humidity that characterizes the latter part of the year.
In September, Humahuaca experiences a notable UV Index of 15, classified as extreme, which demands caution for outdoor enthusiasts. This month continues the trend of heightened UV levels characteristic of the southern hemisphere's spring, following a summer peak in January and February where the index soared to 18 and 19 respectively. Even as the days shorten towards fall, the burn time remains a mere 10 minutes, reminding travelers to protect their skin. With the UV index gradually decreasing from its summer heights, September still poses significant sun exposure risks, echoing the year's prevailing theme of intense solar radiation. For more detailed information on UV levels throughout the year, visit Humahuaca UV Index.
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As September arrives in Humahuaca, Argentina, the promise of sunshine continues to shine brightly, with an impressive 327 hours of sunlight gracing the month. Following the upward trend cultivated over the summer months, this period sees a slight dip from August's peak of 336 hours, yet it remains robust, contributing to the region's lively atmosphere. The sunny disposition of September retains the momentum set by the vibrant months prior, while also hinting at the approaching brilliance of October, which boasts an even more generous 345 hours. This gradual increase in daylight hours reflects the seasonal transition, inviting visitors to bask in the warm rays and explore the enchanting landscapes of this Andean gem.
In Humahuaca, Argentina, September marks a transition into sunnier days, with a 58% chance of clear skies. This follows a notably bright winter, where June and August boast impressive sun probabilities of 80%. The upward trend in sunshine continues from the colder months, showcasing a shift towards more favorable weather as spring approaches. As the month unfolds, the lingering warmth of winter gives way to a more balanced climate, setting the stage for delightful outdoor adventures in this vibrant Andean town.
In September, Humahuaca enjoys a delightful 11 hours of daylight, marking a return to longer days as the winter months fade away. This duration mirrors the daylight in both August and October, signaling the transition to spring when nature begins to flourish. Following the shorter days of winter, this gradual increase in daylight allows residents and visitors alike to revel in the vibrant landscapes and rich culture of the region. As the year progresses, Humahuaca will continue to embrace even longer daylight, with November and December promising 13 hours of sunshine, perfect for exploring its breathtaking scenery and vibrant traditions.
In September, the winds of Humahuaca begin to shift, maintaining an average speed of 2.0 m/s (4 mph), slightly lower than the breezier months of June and August, yet still indicative of a seasonal transition. Throughout the year, the region experiences a gradual increase in wind speeds, peaking during the mid-year months, before easing back to the calmer conditions seen in the late spring and autumn. This pattern creates a dynamic atmosphere, where the gentle breezes of September whisper hints of the changing landscape, setting the stage for the vibrant transformations of autumn. As locals and visitors alike embrace the refreshing air, they can feel the energy that builds as the seasons drift from the cooler highland winds of winter into the warmth of Argentine spring.
Weather in Humahuaca varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Humahuaca, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between September and January, notable differences emerge in temperature and precipitation patterns. September boasts a wider temperature range, with minimums dipping to -5°C (24°F) and maximums reaching 23°C (74°F), giving an average of 9°C (48°F). The month sees moderate precipitation of 32 mm (1.2 in) over about 7 days and a humidity level of 59%. In contrast, January presents a milder climate with minimum temperatures at 1°C (34°F) and maximums around 22°C (72°F), resulting in an average temperature of 11°C (52°F). However, it experiences significantly higher precipitation at 171 mm (6.7 in) across 23 days and increased humidity at 85%. For more detailed insights on the January weather, you can check this link: Humahuaca weather in January.
September and February present quite contrasting weather patterns. In September, temperatures range from a brisk -5°C (24°F) at night to a comfortable 23°C (74°F) during the day, with an average temperature of 9°C (48°F). The month sees relatively low precipitation, totaling 32 mm (1.2 in) over just 7 days, and the humidity levels sit at a moderate 59%. In contrast, February enjoys slightly milder temperatures, with nighttime lows of 2°C (35°F) and daytime highs reaching up to 22°C (71°F), averaging 10°C (51°F). However, it experiences significantly higher rainfall, with 166 mm (6.5 in) falling over 25 days, contributing to a much higher humidity level of 88%. For a detailed look at February's climate, you can visit Humahuaca weather in February.
September and March exhibit notable differences in weather patterns. September experiences milder temperatures, with a minimum of -5°C (24°F) and a maximum of 23°C (74°F), averaging around 9°C (48°F). The month sees relatively low precipitation at 32 mm (1.2 in) over 7 days, coupled with a humidity level of 59%. In contrast, March brings slightly warmer conditions with a minimum of 0°C (32°F) and a maximum of 24°C (75°F), averaging 10°C (50°F). However, it is significantly wetter, accumulating 150 mm (5.9 in) of rainfall over 26 days, and the humidity rises to 88%. For more detailed insights, check out Humahuaca weather in March.
When comparing the weather in September and April, there are notable differences in temperature and precipitation patterns. Both months feature a minimum temperature of -5°C (24°F) and an average temperature around 9°C (48°F in September and 49°F in April). However, April sees slightly higher maximum temperatures, averaging at 24°C (75°F) compared to September's 23°C (74°F). In terms of rainfall, April is significantly wetter, with 64 mm (2.5 in) of precipitation over 16 days, whereas September receives only 32 mm (1.2 in) over 7 days. The humidity is also higher in April, at 85%, compared to 59% in September. For more detailed insights, you can explore Humahuaca weather in April.
In comparing the weather of September and May, we find a notable difference in temperatures and precipitation patterns. September generally experiences milder conditions, with average temperatures ranging from a low of -5°C (24°F) to a high of 23°C (74°F), while May tends to be slightly cooler, with temperatures fluctuating from -6°C (22°F) to a maximum of 21°C (71°F). Although September has more rainfall, accumulating 32 mm (1.2 in) over about 7 days, May is much drier, with only 11 mm (0.4 in) recorded across 4 days. Furthermore, May exhibits higher humidity levels at 76%, compared to September's 59%. For more detailed insights, check out Humahuaca weather in May.
In September, the weather is generally milder compared to June, with temperatures ranging from a minimum of -5°C (24°F) to a comfortable average of 9°C (48°F) and a maximum of 23°C (74°F). This month experiences slightly more precipitation at 32 mm (1.2 in) over about 7 days, contributing to a humidity level of 59%. In contrast, June has a cooler temperature profile, showing a minimum of -9°C (17°F) and an average of 6°C (42°F), with a maximum of only 21°C (70°F). Additionally, June features a significantly lower precipitation level of just 3 mm (0.1 in) over 1 day and similar humidity at 58%. For more details, you can check Humahuaca weather in June.
The weather in September is noticeably milder compared to July, with average temperatures rising from 6°C (42°F) in July to 9°C (48°F) in September. Additionally, September experiences a higher maximum temperature of 23°C (74°F), while July peaks at 20°C (68°F). Precipitation also differs significantly between the two months; September receives 32 mm (1.2 in) over seven days, whereas July is much drier with only 3 mm (0.1 in) and no rainy days. Humidity levels are higher in September at 59%, compared to 49% in July, contributing to a more humid feel in the early autumn month. For more detailed information on temperature patterns, you can refer to Humahuaca weather in July.
In September, temperatures are notably warmer than in August, with an average of 9°C (48°F) compared to August's 6°C (43°F). The maximum temperatures in September reach up to 23°C (74°F), while in August, they only peak at 21°C (70°F). Precipitation is more frequent in September, with 32 mm (1.2 in) over 7 days, contrasted by only 8 mm (0.3 in) across 2 days in August. Additionally, September experiences higher humidity at 59%, compared to 43% in August. For more details on August weather, check out Humahuaca weather in August.
In September, the weather exhibits a diverse range with temperatures hitting a minimum of -5°C (24°F) and averaging around 9°C (48°F), reaching a maximum of 23°C (74°F). With 32 mm (1.2 in) of precipitation over 7 days, the humidity hovers around 59%. In contrast, October brings slightly warmer temperatures, with a minimum of -3°C (27°F) and an average of 10°C (50°F), peaking at 24°C (75°F). However, it also sees an increase in precipitation to 65 mm (2.6 in) over 20 days, resulting in a marginally higher humidity level of 60%. For a more detailed look at the weather patterns, check out Humahuaca weather in October.
In September, the weather is characterized by a minimum temperature of -5°C (24°F) and an average of 9°C (48°F), with occasional highs reaching 23°C (74°F). The month sees relatively low precipitation at 32 mm (1.2 in) over about 7 days and a humidity level of 59%. In contrast, November brings milder temperatures, with a minimum of 0°C (32°F) and an average of 10°C (51°F), while highs can reach up to 24°C (75°F). However, November is much wetter, experiencing 129 mm (5.1 in) of rainfall over 27 days, and the humidity rises to 69%. For more details, you can check Humahuaca weather in November.
In September, the weather is characterized by cooler temperatures, with lows reaching -5°C (24°F) and averages around 9°C (48°F), while daytime highs can climb to 23°C (74°F). There is relatively low precipitation at 32 mm (1.2 in) over about 7 days, and humidity levels remain moderate at 59%. In contrast, December brings milder temperatures, with minimums around 1°C (34°F) and averages of 11°C (51°F), peaking at 24°C (75°F). However, it also sees a significant increase in rainfall, accumulating to 184 mm (7.3 in) spread across 30 days, along with higher humidity at 76%. For a detailed look at weather conditions during December, check out Humahuaca weather in December.
September in Humahuaca brings a refreshing change as the winter chill recedes, ushering in milder temperatures and a welcome hint of warmth. With daytime highs peaking at a comfortable 23°C, the month offers a delightful contrast to the colder months, while the evenings still carry a crisp bite. Rainfall remains minimal, with only a handful of days seeing precipitation, making it an optimal time for outdoor adventures. The humidity level hovers around 59%, providing a pleasant atmosphere for exploration. For those planning a visit, September is an ideal time to experience the charm of Humahuaca's landscapes. For more detailed information, check out the Humahuaca Climate.