September · Bolivia
Best time to visit Tiwanaku in September Weather, crowds & prices
Weather in Tiwanaku in September
Average temperature 9°C, 17 mm of rain, about 30 days with 6+ hours of sunshine and 63% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.8/10
Ranked #2 of 12 months
- Avg temp
- 9°C
- Rainfall
- 17 mm
- Humidity
- 63%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Tiwanaku scores 8.8/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 9°C, 17 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Tiwanaku preserves pre-Inca stone gateways and monoliths on the Altiplano near Lake Titicaca. Best window: the core winter snow season, with shoulder weeks for quieter slopes.
September is one of the strongest months in Tiwanaku (2nd)
September averages 9°C (48°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Expect 17 mm of rain — occasional showers rather than washed-out days — alongside about 30 days with 6+ hours of sunshine and 11.9 daylight hours.
A 8.8/10 puts this among the year's best months in Tiwanaku (2nd of 12); only October scores higher, at 9/10.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.
Figure on mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Tiwanaku in September?
- In September, Tiwanaku averages 9°C, 17 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 8.8/10.
- Is September a good time to visit Tiwanaku?
- September earns a 8.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Tiwanaku in September?
- Expect about 17 mm of rain in September. Average humidity is 63% and there are about 30 days with 6+ hours of sunshine.
Curated in Tiwanaku
Tickets & experiences
Things to do in Tiwanaku
Tiwanaku, Bolivia. Live activities and tours from GetYourGuide, matched to this destination.