Last updated: August 21, 2025
In September, Colchani, Bolivia, experiences a delightful transition into spring, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 23°C (74°F). The monthly average hovers around a comfortable 9°C (48°F), making it an ideal time for outdoor activities. This month sees a modest precipitation of 7 mm (0.3 in), typically occurring over just one day, ensuring that the region remains dry for the most part. With a humidity level of 60%, visitors can enjoy pleasant weather, perfect for exploring the stunning landscapes of the Bolivian salt flats.
In September, Colchani, Bolivia ushers in a gradual warming trend as winter recedes, characterized by minimum temperatures around -5°C (23°F) and a pleasant average of 9°C (48°F). Daytime highs can reach up to 23°C (74°F), mirroring the warmth of the preceding months. This transitional period showcases a delicate balance, where the early chills of winter begin to soften, making way for the more inviting temperatures that will define the coming months. As September unfolds, visitors can expect the crisp air of late winter to give way to mild days, inviting exploration of the stunning landscapes that surround this enchanting locale.
In September, Colchani experiences a slight uptick in precipitation, with 7 mm (0.3 in) falling over just one day of the month. This marks a departure from the exceedingly dry conditions of the preceding months, where almost no rainfall was recorded. As the region transitions from its arid winter period, the sporadic showers hint at a gradual return to a wetter season. This trend is further underscored by the increase in precipitation observed in October and November, suggesting that September serves as a precursor to the more significant rainfall that will soon follow, bringing much-needed moisture to the landscape.
In Colchani, Bolivia, September marks a transition in humidity levels as the dry winter months give way to more moisture in the air. With the humidity rising to 60%, September signifies a notable increase compared to the preceding months of July and August, which were characterized by much lower levels at 47% and 43% respectively. This uptick hints at the impending arrival of the wetter season, as the region gradually shifts toward greater humidity in the following months. Notably, while September's humidity is still relatively modest when viewed alongside the sweltering summer months at the beginning of the year—where levels peak at 89% in March—it clearly sets the stage for a more humid October and November.
As September rolls into Colchani, Bolivia, the UV Index remains highly intense, peaking at 17 and falling under the extreme exposure category, which means you should expect to burn in just 10 minutes without protection. This month reflects a slight dip from the summer months, yet it continues a strong trend of extreme UV levels that characterize the region. Notably, the UV Index has consistently hovered around extreme levels of 16-20 from January through August, providing little respite. As October approaches, projections suggest a return to the highest levels again, reaching 20. To stay safe, it is essential to minimize sun exposure and utilize sunscreen diligently. For further insights on UV exposure, you can visit Colchani UV Index.
UV Risk Categories
As the warm embrace of September settles over Colchani, Bolivia, the sun graces the region with an impressive 348 hours of sunshine. This vibrant month retains the luminosity seen in August, hinting at the consistent brilliance that characterizes these late winter days. Notably, September marks a transitional moment, nestled comfortably between the peak summer sunshine of October and the mellow hues of earlier months. Following the slight fluctuations in daylight from January through August, September's significant solar bounty signifies the approach of spring, gradually leading to the increasingly radiant months ahead, where November shines brightly with 381 hours of sunlight.
In September, Colchani, Bolivia enjoys a notable 69% chance of sunny weather, continuing a trend of increasing sunshine leading into the spring months. This marks a slight decline from the heights of July and August, which boast impressive probabilities of 89% and 88%, respectively. However, September still offers a favorable climate compared to the earlier months of the year, like January and February, which see significantly lower chances of sun at 35% and 45%. As the month progresses, visitors can anticipate crisp, bright days perfect for exploring the stunning landscapes of the Altiplano.
In Colchani, Bolivia, the daylight duration experiences a gradual transition throughout the year, reflecting the region's distinct seasonal shifts. September stands out with 11 hours of daylight, maintaining a consistent pattern that characterizes the late winter months. This stability in daylight follows a slight decline from the summer peak in January and February, where the days stretch up to 13 hours. As the year progresses into October, daylight begins to increase again, hinting at the coming warmth of the spring months with another 12 hours of daylight. This cyclical rhythm not only enhances Colchani's scenic beauty but also enriches the local lifestyle, as residents adapt to the gradual changes in light.
As September arrives in Colchani, Bolivia, the winds are notably invigorating, with an average speed of 3.8 m/s (8 mph). This marks a continuation of the upward trend in wind speeds that began in June, where a gradual increase from 3.6 m/s to 3.8 m/s is observed throughout the latter part of the year. The winds in September mirror the breezy August conditions, indicative of a seasonal transition that often brings refreshing gusts to the region. As we head into October, the winds are anticipated to pick up even further, reaching 4.1 m/s (9 mph). Overall, September not only maintains a brisk atmosphere but also hints at the approach of blusterier days ahead, creating an exhilarating experience for locals and visitors alike.
Weather in Colchani varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Colchani, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, temperatures are quite varied, with lows dropping to -5°C (23°F) and highs reaching up to 23°C (74°F), averaging around 9°C (48°F). The month experiences minimal precipitation, receiving only 7 mm (0.3 in) over just one day, and the humidity level sits at a moderate 60%. In contrast, January sees a higher average temperature of 12°C (53°F) with similar maximums of 23°C (73°F), but it also experiences a substantial increase in precipitation, amounting to 93 mm (3.7 in) over 15 days. The humidity in January is notably higher at 87%, contributing to a more humid climate overall. For a more detailed look at January weather, you can refer to this link: Colchani weather in January.
September and February exhibit contrasting weather patterns. In September, temperatures range from a chilly minimum of -5°C (23°F) to a pleasant maximum of 23°C (74°F), with an average temperature of 9°C (48°F). The month sees minimal precipitation, only about 7 mm (0.3 in) across just one day, accompanied by a moderate humidity level of 60%.
In stark contrast, February experiences milder temperatures, with a minimum of 1°C (35°F), an average of 12°C (54°F), and a maximum of 24°C (76°F). However, it is significantly wetter, accumulating 98 mm (3.9 in) of rainfall over 14 days and a higher humidity of 88%. For a more detailed look at the weather in February, check Colchani weather in February.
In comparing the weather of September and March, one can observe notable differences. September features a cooler temperature range, with minimums dipping to -5°C (23°F) and an average of 9°C (48°F), while March presents milder conditions, boasting a minimum of 0°C (32°F) and an average of 11°C (52°F). Precipitation is significantly lower in September, with just 7 mm (0.3 in) over 1 day, compared to the wetter March, which sees 62 mm (2.4 in) over 14 rainy days. Additionally, March has higher humidity at 89%, compared to September's 60%. For more detailed information, you can check Colchani weather in March.
In comparing the weather of September and April, we find some intriguing similarities and differences. Both months feature an average temperature of around 9°C (48°F), but September experiences a slightly broader range, with minimum temperatures dipping to -5°C (23°F) and maximums reaching 23°C (74°F). Conversely, April's temperatures show a minimum of -4°C (25°F) and a maximum of 23°C (73°F), indicating a more stable temperature profile.
Precipitation levels remain consistent in both months, with only 7 mm (0.3 in) of rain on just one day. However, the humidity is notably higher in April at 87%, compared to September's 60%, which can make the air feel more dense and moist during that month.
For more detailed information, you can check Colchani weather in April.
In September, the weather showcases a broader temperature range with minimums dipping to -5°C (23°F) and maximums reaching a pleasant 23°C (74°F), averaging around 9°C (48°F). The month tends to be relatively dry, with only 7 mm (0.3 in) of precipitation over a single day and humidity levels at 60%. In contrast, May experiences slightly cooler average temperatures, peaking at 20°C (69°F) and averaging 6°C (43°F), while still maintaining a minimum of -5°C (23°F). Importantly, May is even drier, registering just 1 mm (0.0 in) of precipitation and no rainy days, though it feels more humid at 82%. For more detailed weather information, check out Colchani weather in May.
In September, the weather is generally milder with average temperatures around 9°C (48°F), peaking at 23°C (74°F) during the day, while nighttime lows reach a minimum of -5°C (23°F). In contrast, June experiences cooler temperatures, with an average of 4°C (39°F), maximums only reaching 16°C (61°F), and nighttime lows dropping to -9°C (16°F). Precipitation is minimal, with September receiving just 7 mm (0.3 in) over one day, while June has virtually no precipitation recorded. Despite the slight differences in humidity levels, with September at 60% and June slightly lower at 59%, both months reflect relatively dry conditions overall. For more detailed information, visit Colchani weather in June.
In September, the weather shows a significant warming trend compared to July, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 23°C (74°F) and an average of 9°C (48°F). This is a noticeable increase from July, where temperatures are cooler, with a minimum of -14°C (7°F), a maximum of 16°C (62°F), and an average of 4°C (40°F). Additionally, September experiences slightly more precipitation at 7 mm (0.3 in) over one day, while July has just 5 mm (0.2 in) of precipitation, also occurring over one day. The humidity levels in September are higher at 60%, compared to July's 47%. For a detailed look at July's weather specifics, visit Colchani weather in July.
In September, the weather is generally milder compared to August, with average temperatures rising to 9°C (48°F) and maximums reaching 23°C (74°F), while August experiences cooler averages of 5°C (42°F) and highs of 19°C (66°F). Additionally, September offers a slight increase in humidity at 60% compared to August's lower 43%. Interestingly, while September sees a bit more precipitation at 7 mm (0.3 in) over just 1 day, August remains largely dry with only 2 mm (0.1 in) of rain spread over 0 days. For more detailed insights, you can refer to Colchani weather in August.
In September, temperatures range from a chilly -5°C (23°F) at their lowest to a comfortable 23°C (74°F) at the highest, with an average temperature of 9°C (48°F). The month sees minimal precipitation, with only 7 mm (0.3 in) falling over just one day, and humidity levels sitting at 60%.
As we transition into October, the weather shows slight warming with minimum temperatures dropping to -4°C (26°F) and an average of 11°C (52°F), while still peaking at a maximum of 23°C (74°F). October experiences a bit more moisture with 9 mm (0.4 in) of rainfall on two days and humidity increasing to 67%. For more specific details on October weather, you can check Colchani weather in October.
September and November showcase a gradual transition in weather, with both months experiencing cool temperatures. In September, the minimum temperature dips to -5°C (23°F) with an average of 9°C (48°F) and a maximum of 23°C (74°F). The month is relatively dry, boasting only 7 mm (0.3 in) of precipitation over just one day and 60% humidity. In contrast, November offers slightly warmer conditions, with a minimum of -2°C (29°F) and an average of 12°C (54°F), reaching up to a maximum of 24°C (76°F). Precipitation increases to 11 mm (0.4 in) across two days, accompanied by a higher humidity level of 71%. This shift reflects the changing season as autumn progresses into early winter. For more detailed insights on November weather, visit Colchani weather in November.
In September, the weather is generally cooler, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 23°C (74°F) and an average of 9°C (48°F). The month experiences relatively low precipitation, with only 7 mm (0.3 in) falling over just one day, and humidity levels at 60%. In contrast, December sees warmer conditions with a wider temperature range, featuring a minimum of -1°C (30°F), an average of 13°C (55°F), and a maximum of 26°C (79°F). However, December is much wetter, with 78 mm (3.1 in) of precipitation over 11 days, leading to increased humidity at 79%. The shift in weather patterns from September to December marks a transition to a wetter and more humid climate. For more detailed information, visit Colchani weather in December.
As September unfolds in Colchani, the weather begins to transition, showcasing a blend of mild days and crisp nights. With daily temperatures reaching a maximum of 23°C and dipping to a chilly 9°C at night, the month witnesses a welcome shift from the harsher winter chill. Precipitation is minimal, with just a scant 7mm recorded over a single day, leaving plenty of time to explore the stunning landscapes. The humidity settles at around 60%, adding a refreshing touch to the dry highland air. Overall, September stands apart as a month of comfortable weather, perfectly bridging the gap between winter and the warmer months ahead. For a deeper dive into what to expect throughout the year, check out Colchani Climate.