Last updated: August 27, 2025
In September, Puno, Peru experiences delightful weather characterized by a maximum temperature of 27°C (80°F) and a comfortable average of 18°C (65°F). With a minimum temperature dipping to 12°C (54°F), the climate offers a pleasant range for both daytime activities and evening relaxation. Remarkably, precipitation remains absent, with 0 mm recorded and no rainy days, allowing residents and visitors to fully enjoy the stunning landscapes. Humidity levels hover around 74%, contributing to a refreshing atmosphere that enhances the beauty of this unique Andean city.
In September, Puno, Peru, showcases a subtle shift in temperatures as it transitions towards spring. With minimums around 12°C (54°F), the nights remain cool, while the average temperature hovers at a comfortable 18°C (65°F), perfect for outdoor activities. The highs reach up to 27°C (80°F), offering warm, pleasant afternoons ideal for exploring this captivating region. Overall, September marks a continuation of the cooler months, gradually nudging towards warmer days, making it a delightful time to experience the vibrant culture and stunning landscapes of Puno.
In Puno, Peru, the month of September marks a continuation of the region's notably dry spell, recording 0 mm of precipitation and no rainy days. This trend persists from the preceding months, where rainfall gradually diminishes from January’s 30 mm down to 0 mm by August. Such dry conditions are characteristic of Puno’s climate during this period, leading into the dry season, which typically sees minimal moisture. Interestingly, the brief precipitation observed earlier in the year adds a stark contrast to September's complete absence of rain, highlighting the region’s distinct seasonal shifts. As the year progresses into October and November, Puno may witness slight increases in precipitation, yet September firmly encapsulates the heart of the dry season.
In September, Puno, Peru experiences a modest humidity level of 74%, continuing the trend of decreasing moisture that begins in August. This dip in humidity is part of a broader pattern observed throughout the winter months, where levels decline significantly from a peak of 88% in April to this late winter figure. As the year progresses toward spring, humidity begins to rise again in October, reflecting a gradual return to the more humid conditions typical of the earlier months. This fluctuation reveals Puno's unique climatic rhythm, where the air remains consistently humid during the peak of the wet season but begins to dry out as summer approaches.
In September, Puno, Peru experiences a UV Index of 14, categorizing exposure as extreme and maintaining a burn time of just 10 minutes. This trend of high UV levels persists through the month, consistent with the preceding months of August and April, where similarly extreme indices were recorded. Notably, Puno's UV exposure is particularly intense from January through November, with January, February, and November peaking at an impressive 16. As you enjoy the stunning scenery of Puno this September, remember to take precautions against the sun. For more detailed information on UV levels in Puno, check out Puno UV Index.
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September in Puno, Peru, continues the impressive trend of abundant sunshine, boasting 335 hours of bright daylight. This delightful month marks a slight dip from August's peak of 339 hours, yet it still reflects a strong seasonal pattern of increasing sunlight as the year progresses. From January's 259 hours to October’s projected 355 hours, the months consistently grow longer and sunnier, enhancing the region's vibrant culture and natural beauty. With each passing month moving towards the summer, Puno basks in this golden glow, making September a splendid time to explore its rich landscapes and captivating traditions.
In Puno, Peru, the likelihood of sunny weather in September stands at a promising 65%, mirroring the sunny vibes of the preceding months, July and August. This trend reveals a delightful shift from the rainy beginnings of the year, where sun chances languish at a mere 14% in January and gradually rise to a more favorable outlook in the dry season. With autumn just around the corner, the days begin to embrace the warmth of the sun, making September an enticing time to visit, as clear skies and vibrant sunlit days become a charming norm. This pleasant weather pattern signals that outdoor adventures are not only ideal but also highly enjoyable as the month unfolds.
In September, Puno, Peru, enjoys a resurgence in daylight, returning to 12 hours that echo the sunlit expanses of the summer months. After months of more consistent 11-hour days from April to August, this shift signals a gradual transition back to the longer days typical of the southern hemisphere's late spring and early summer. Interestingly, this pattern reveals a natural rhythm where daylight duration stabilizes around 12 hours for much of the year, only dipping during the winter months. As the days grow longer once again, residents and visitors alike can look forward to the vibrant energy that the additional sunlight brings to this unique Andean destination.
As September arrives in Puno, Peru, the winds begin to pick up gently, with an average speed of 3.1 m/s (7 mph), marking a noticeable increase as the region transitions from the milder summer months. This subtle uptick in wind speed reflects a broader trend observed throughout the year, where late winter and early spring see a gradual ascent in breezy conditions. Compared to the calmness of January through March, September offers a refreshing shift, hinting at the changing seasons. This elevation in wind activity not only invigorates the atmosphere but also sets the stage for October to maintain the same lively momentum. Overall, the September winds herald a delightful transition, bridging the tranquil warmth of winter with the dynamic energy of approaching spring.
Weather in Puno varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Puno, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather characteristics. In September, temperatures range from a mild minimum of 12°C (54°F) to a comfortable average of 18°C (65°F), peaking at 27°C (80°F) under dry conditions, with no recorded precipitation and a humidity level of 74%. In stark contrast, January experiences warmer temperatures, with a minimum of 18°C (64°F) and an average of 23°C (74°F), reaching a maximum of 32°C (89°F). This month also sees more humidity at 85% and an increase in precipitation, totaling 30 mm (1.2 in) over six rainy days. For more details about January's weather, you can refer to Puno weather in January.
In September, temperatures in Puno range from a pleasant minimum of 12°C (54°F) to a maximum of 27°C (80°F), with an overall average of 18°C (65°F). The month is typically dry, experiencing no recorded precipitation and maintaining a relative humidity of 74%. In contrast, February features warmer conditions, with temperatures ranging from a minimum of 18°C (64°F) to a peak of 31°C (88°F), yielding an average of 24°C (75°F). However, February also brings some rainfall, averaging 25 mm (1.0 in) over seven days, along with a higher humidity level of 85%. For more insights into February weather, visit Puno weather in February.
September and March present distinct differences in weather patterns. September experiences milder temperatures, with a minimum of 12°C (54°F) and a maximum of 27°C (80°F), while March is notably warmer, ranging from a minimum of 17°C (63°F) to a maximum of 32°C (90°F). Additionally, September boasts dry conditions with no recorded precipitation, whereas March sees an average rainfall of 12 mm (0.5 in) over three days. The humidity also varies, with September at 74% and March slightly higher at 86%. For a more detailed look at the weather in March, check out Puno weather in March.
In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 27°C (80°F), with an average of 18°C (65°F). The month boasts dry conditions, seeing no precipitation and maintaining a humidity level of 74%. In contrast, April experiences slightly higher temperatures, with a minimum of 14°C (58°F) and a maximum of 31°C (88°F), resulting in a warmer average of 22°C (72°F). While April does bring some moisture with 3 mm of precipitation over one day, it also features a higher humidity level at 88%. Overall, April tends to be warmer and more humid than September, making it a distinct transition from the lingering warmth of summer to the cooler autumn months. For more specific details, check out Puno weather in April.
In comparing the weather of September and May, both months enjoy mild temperatures but with noticeable differences. September sees a minimum temperature of 12°C (54°F) and an average of 18°C (65°F), peaking at 27°C (80°F). In contrast, May starts slightly warmer, with a minimum of 13°C (56°F) and an average of 20°C (68°F), reaching a maximum of 29°C (85°F). While both months experience minimal precipitation, September records no rain, whereas May has a slight 1 mm (0.0 in) with also no rainy days. Humidity is higher in May at 85%, compared to September's 74%. For a more detailed look at conditions, refer to Puno weather in May.
In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 27°C (80°F), with an average of 18°C (65°F). This month experiences no precipitation, resulting in a humidity level of 74%. In contrast, June showcases similar temperature patterns, with a minimum of 12°C (54°F), an average of 18°C (66°F), and a maximum of 26°C (79°F). Though June records a slight amount of precipitation at 1 mm, it similarly enjoys no rainy days, with humidity slightly higher at 78%. For more detailed weather insights, explore Puno weather in June.
In comparing the weather patterns of September and July, we see that both months feature similar temperature ranges, with a minimum of 12°C (54°F), an average of around 18°C (64-65°F), and a maximum of 26-27°C (80°F). Although July slightly lags in maximum temperature, with a peak of 26°C (80°F) compared to September's 27°C (80°F), both months are characterized by minimal precipitation, accumulating only 1 mm in July and none in September. Humidity levels are also comparable, with July at 75% and September a touch lower at 74%. For more information on the weather specifics in July, you can visit Puno weather in July.
In comparing the weather between September and August, we find that both months feature similar temperature ranges, with September experiencing a minimum temperature of 12°C (54°F), an average of 18°C (65°F), and a maximum of 27°C (80°F), which are closely aligned with August's temperatures, where the minimum is slightly lower at 11°C (52°F). Precipitation is nonexistent in both months, as evidenced by 0 mm (0.0 in) of rain recorded and 0 rainy days. Humidity remains slightly higher in September at 74% compared to 73% in August, indicating a marginal increase in moisture in the air. For more detailed insights, check out Puno weather in August.
In comparing the weather of September and October, we see a slight increase in temperatures and humidity. September features a minimum of 12°C (54°F) and an average of 18°C (65°F), reaching a maximum of 27°C (80°F), with no recorded precipitation. In contrast, October sees a minimum temperature of 13°C (55°F) and averages 19°C (67°F), peaking at 28°C (83°F). While precipitation remains minimal in both months, October does experience a tiny amount of rain (1 mm) compared to September's dry streak. Additionally, humidity rises from 74% in September to 78% in October, contributing to a slightly more tropical atmosphere. For more detailed information, check out Puno weather in October.
In September, the weather is characterized by mild temperatures, with a minimum of 12°C (54°F) and a maximum of 27°C (80°F), averaging around 18°C (65°F). Notably, this month experiences dry conditions with no recorded precipitation and a humidity level of 74%. In contrast, November sees slightly warmer temperatures, with a minimum of 14°C (58°F) and a maximum of 28°C (82°F), averaging 20°C (69°F). The month does see a small amount of precipitation, totaling 1 mm, but it remains very dry with no rainy days, and humidity increases to 82%. For more detailed information, visit Puno weather in November.
In September, temperatures typically range from a minimum of 12°C (54°F) to a maximum of 27°C (80°F), with an average of 18°C (65°F). This month enjoys dry weather, with no recorded precipitation and a humidity level of 74%. In contrast, December's weather is slightly warmer, featuring a minimum of 16°C (61°F) and a maximum of 30°C (85°F), while maintaining an average temperature of 22°C (71°F). Although December experiences a small amount of rain (4 mm over just one day), the humidity rises to 83%. For more details on weather conditions, you can check out Puno weather in December.
September in Puno welcomes an enviable embrace of warm days and cool nights, setting it apart from the often wet and chilly months that precede it. With abundant sunshine and no recorded precipitation, this month boasts a delightful average temperature that beckons outdoor adventures amidst stunning landscapes. The humidity at 74% provides a subtle, refreshing touch, ideal for exploring the rich culture and breathtaking scenery. As you revel in the pleasant September skies, consider how this uniquely dry climate enhances your experience in Puno. For more insights on what to expect, check out Puno Climate.