Last updated: August 21, 2025
Located in the heart of Bolivia, Tiahuanaco experiences a unique blend of September weather characterized by moderate temperatures and notable humidity. During this month, daytime highs reach a pleasant 20°C (68°F), while nighttime lows can drop to a brisk 1°C (33°F), making for cool evenings. The average daily temperature hovers around 10°C (50°F), offering a refreshing climate for visitors. Expect approximately 40 mm (1.6 in) of precipitation spread over 9 rainy days, contributing to the lush landscapes that surround this ancient site. With humidity levels at 70%, the air feels invigorating, perfect for exploring the rich archaeological heritage of Tiahuanaco.
In September, Tiahuanaco, Bolivia, experiences a notable shift in temperatures as the winter months begin to wane. The minimum temperature climbs to around 1°C (33°F), while the average hovers at 10°C (50°F), providing a sense of warmth compared to the preceding July and August. With a maximum of 20°C (68°F), this month marks the beginning of spring's embrace, gradually inviting more pleasant days. As daylight increases, the comfortable temperatures signal a gradual transition towards the milder climates of October and November, making September an inviting time to explore the rich history and stunning landscapes of this ancient site.
In September, Tiahuanaco experiences a modest increase in precipitation, with 40 mm (1.6 in) of rain spread over 9 days. This marks a noticeable transition from the dry winter months of June through August, which collectively saw minimal rainfall, barely reaching 11 mm (0.4 in) for the entire period. As the region approaches the onset of the wet season, September's rainfall hints at the revitalization of the landscape, setting the stage for a gradual increase in moisture leading into October and November, where precipitation rises significantly, culminating in 98 mm (3.9 in) by November. This pattern reflects a distinct seasonal shift, emphasizing the importance of September as a pivotal month for replenishing local ecosystems.
In September, Tiahuanaco experiences a noticeable shift in humidity levels as they dip to 70%, a slight increase from the dryer months of August. This uptick signals the transition into the wetter season, following a gradual decline from a humid 91% in the earlier months. Throughout the winter, humidity levels consistently decrease, reaching a low of 62% in August before starting their ascent again. This rhythmic pattern highlights Tiahuanaco's unique climate, where the early months of the year maintain a high humidity, creating a lush environment, while the winter months bring a refreshing respite. As September rolls in, residents and visitors alike can expect a more balanced humidity level, hinting at the return of the tropical feel in the air.
In September, Tiahuanaco, Bolivia, continues to experience an extreme UV Index of 16, maintaining the high levels consistent throughout the year. This trend reflects a persistent risk of overexposure, with a burn time of just 10 minutes under the midday sun. As the dry season progresses, the UV levels begin to stabilize slightly compared to the hotter months of summer, yet they remain alarmingly high, emphasizing the importance of sun protection. With neighboring months like October and November hitting UV indexes of 18 and 19 respectively, it’s crucial for residents and visitors alike to remain vigilant against harmful rays. For a detailed overview of the UV levels in the area, check out Tiahuanaco UV Index.
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September in Tiahuanaco, Bolivia, offers a delightful mix of sunshine, totaling 341 hours of brilliant daylight. As winter fades, the region transitions into spring, bringing a noticeable increase in sun-soaked moments. This month stands out as part of a broader trend, with August preceding it at 347 hours and the heights of October reaching 353 hours. With consistent sunshine hours peaking towards the end of the year, visitors in September can enjoy warm days that highlight the area's stunning landscapes and rich cultural heritage, making it an ideal time to explore this majestic destination.
As September rolls in Tiahuanaco, Bolivia, the likelihood of sunny weather appears to hold steady at 49%, reflecting a significant contrast to the wetter winter months that precede it. Following the sun-drenched days of July and August, where sunshine chances peak at 81% and 79%, respectively, the onset of spring begins to set a more balanced tone. While September maintains a decent chance of clear skies, it is important to note that the overall prospects wane as the year transitions into the rainier seasons of October and November. This pattern underscores a clear seasonal rhythm, where transitional months often bring a mix of sun and clouds, enticing visitors to explore the vibrant landscapes of Tiahuanaco under the warm sun's embrace.
In September, Tiahuanaco, Bolivia, experiences a return to 12 hours of daylight, marking a noticeable shift as the days begin to lengthen again after the consistent 11-hour periods seen during the winter months from April to August. This transition signals the onset of spring in the Southern Hemisphere, where daylight gradually increases, peaking in December with 13 hours of sunlight. The rhythm of daylight in Tiahuanaco showcases a harmonious cycle, where the balance between day and night ebbs and flows throughout the year, offering a rich tapestry of light that enhances the region’s vibrant cultural and natural landscapes. As autumn approaches, the consistent 12-hour daylight reflects a time of renewal and growth, inviting both residents and visitors to enjoy the radiant sunlit days ahead.
In September, Tiahuanaco experiences a gentle average wind speed of 2.6 m/s (6 mph), keeping in line with the slightly increasing trend noted in the late winter and early autumn months. Following a summer peak in August, where winds reached their highest speed of 2.8 m/s (6 mph), the conditions remain pleasantly breezy, reminiscent of the transitional period. This consistent wind pattern, which only dips slightly in the months of January and February, suggests a lively atmosphere as the region moves towards the drier, cooler months of the year. Overall, September's winds evoke an invigorating feeling, offering a refreshing backdrop to the rich archaeological heritage of Tiahuanaco.
Weather in Tiahuanaco varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Tiahuanaco, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit notable differences in weather conditions. In September, temperatures range from a minimum of 1°C (33°F) to a maximum of 20°C (68°F), with an average of 10°C (50°F). This month sees a milder level of precipitation at 40 mm (1.6 in) over about 9 days, and humidity sits at a comfortable 70%. In contrast, January is slightly warmer with temperatures fluctuating between 3°C (38°F) and 18°C (65°F), averaging around 10°C (51°F). However, it is considerably wetter, receiving 222 mm (8.7 in) of precipitation spread over 23 days, resulting in a high humidity level of 91%. For a more detailed comparison, you can check the Tiahuanaco weather in January.
September and February exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 1°C (33°F) to a maximum of 20°C (68°F), with an average temperature of 10°C (50°F). The month sees around 40 mm (1.6 in) of precipitation over approximately 9 days and maintains a humidity level of 70%. In contrast, February experiences milder temperatures, with minimums at 4°C (39°F), a maximum of 18°C (65°F), and a similar average of 10°C (51°F). However, February is significantly wetter, with total precipitation soaring to 277 mm (10.9 in) spread across 26 days, resulting in higher humidity levels of 91%. This stark contrast highlights the seasonal shift from September's drier conditions to the much wetter February, as detailed in Tiahuanaco weather in February.
September and March display notable differences in weather patterns. September features a milder temperature range, with minimums around 1°C (33°F) and maximums reaching up to 20°C (68°F), while average temperatures hover at a comfortable 10°C (50°F). In contrast, March experiences slightly warmer lows of 3°C (37°F) and a cooler maximum of 16°C (62°F), with the same average of 10°C (50°F). However, March is significantly wetter, receiving about 238 mm (9.4 in) of precipitation over the course of 30 days compared to September's 40 mm (1.6 in) spread over just 9 days, resulting in higher humidity levels of 91% in March versus 70% in September. For more specific weather details, you can check Tiahuanaco weather in March.
When comparing the weather in September and April, we notice some distinct differences. September features a more moderate temperature range, with a minimum of 1°C (33°F) and a maximum of 20°C (68°F), while April's maximum temperature dips slightly to 18°C (64°F). Both months share the same average temperature of 10°C (50°F). However, April is considerably wetter, receiving 92 mm (3.6 in) of precipitation over 17 days, compared to September’s 40 mm (1.6 in) falling over just 9 days. Additionally, April's humidity is higher at 88%, which contributes to a more moist environment compared to the 70% humidity in September. For a closer look at the weather conditions during this time, you can check Tiahuanaco weather in April.
In comparing the weather of September and May, we observe notable differences. September experiences a wider temperature range, with minimums falling to 1°C (33°F) and maximums reaching up to 20°C (68°F), resulting in an average temperature of 10°C (50°F). In contrast, May's temperatures are slightly cooler, with a maximum of 17°C (62°F) and a similar minimum of 1°C (34°F), giving an average of 9°C (49°F).
Precipitation levels also differ; September sees about 40 mm (1.6 in) of rain over 9 days, while May has a lower total of 31 mm (1.2 in) across 7 days. Additionally, humidity levels in May are notably higher at 87%, compared to 70% in September, resulting in a more humid atmosphere during the late spring. For more detailed insights on May weather in specific locations, visit Tiahuanaco weather in May.
When comparing the weather in September and June, we notice some distinct differences. September typically experiences a wider temperature range, with minimum temperatures around 1°C (33°F) and maximums reaching up to 20°C (68°F), averaging at 10°C (50°F). In contrast, June has cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 17°C (62°F), averaging at 8°C (47°F). Additionally, September is slightly wetter, seeing about 40 mm (1.6 in) of precipitation over approximately 9 days, while June has less rain at 13 mm (0.5 in) over just 3 days. Humidity levels are also notable, as June tends to be more humid, averaging around 79%, compared to September's 70%. For more detailed insights, check out Tiahuanaco weather in June.
When comparing the weather in September and July, we can see distinct differences. September enjoys milder temperatures, with a minimum of 1°C (33°F), an average of 10°C (50°F), and a maximum of 20°C (68°F), along with higher humidity levels at 70%. In contrast, July experiences colder temperatures, ranging from a minimum of -2°C (29°F) to a maximum of 16°C (62°F), with a lower average of 8°C (47°F) and less humidity at 64%. Additionally, September sees more precipitation, totaling 40 mm (1.6 in) over 9 days, while July is considerably drier, receiving only 13 mm (0.5 in) over 3 days. For more detailed insights on July weather, you can check out Tiahuanaco weather in July.
In comparing the weather of September and August, September sees a broader temperature range, with minimums at 1°C (33°F), an average of 10°C (50°F), and maximums reaching 20°C (68°F). In contrast, August is generally cooler, with minimum temperatures of -1°C (31°F) and maximums of 18°C (65°F), averaging around 9°C (48°F). Precipitation levels also differ significantly, as September receives 40 mm (1.6 in) over 9 days, while August has a much lighter total of 11 mm (0.4 in) spread over just 3 days. Furthermore, humidity averages 70% in September, compared to 62% in August. For more detailed weather conditions, check out Tiahuanaco weather in August.
In September, the weather features a mild temperature range with a minimum of 1°C (33°F), an average of 10°C (50°F), and a maximum of 20°C (68°F). The month experiences around 40 mm (1.6 inches) of precipitation over nine days, with humidity levels sitting at 70%. In contrast, October sees a slight rise in average temperature to 11°C (52°F), while the minimum and maximum temperatures remain the same. However, precipitation increases significantly to 82 mm (3.2 inches), spanning 14 rainy days, and humidity climbs to 75%. This shift highlights October as a wetter month with slightly warmer averages. For a closer look at specific weather conditions, you can check out Tiahuanaco weather in October.
September and November exhibit notable differences in weather patterns. September presents cooler temperatures with a minimum of 1°C (33°F) and an average of 10°C (50°F), while November sees slightly warmer conditions, with a minimum of 4°C (40°F) and an average of 12°C (54°F). Precipitation also increases in November, accumulating 98 mm (3.9 in) over 18 days compared to September's 40 mm (1.6 in) over just 9 days. Additionally, the humidity rises from 70% in September to 84% in November, creating a more damp and potentially colder atmosphere. For more detailed information, you can check out Tiahuanaco weather in November.
In comparing the weather conditions of September and December, we notice a few key differences. September tends to be slightly cooler, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 20°C (68°F) and an average of 10°C (50°F). The month experiences moderate rainfall, totaling 40 mm (1.6 in) over about 9 days, with a humidity level of 70%.
In contrast, December sees a rise in temperatures, with a minimum of 4°C (40°F), an average of 11°C (52°F), and a maximum of 21°C (69°F). However, it also brings significantly more precipitation, with 219 mm (8.6 in) spread across 26 days, resulting in a higher humidity level of 87%. For more detailed insights into December's weather conditions, you can check out Tiahuanaco weather in December.
As September unfolds in Tiahuanaco, the weather presents a unique blend of moderate temperatures and increased humidity, marking a notable shift from the colder winter months. With average highs reaching a mild 20°C (68°F) and lows dipping to about 1°C (33°F), the transition toward spring becomes apparent. The 40 mm of rain over 9 days introduces a refreshing change, bringing life back to the landscape. This month serves as a reminder that while the days are warming, the nights can still be quite chilly. For a deeper understanding of how September fits into the overall weather patterns, explore the Tiahuanaco Climate.