September · Bolivia
Best time to visit Potosí in September Weather, crowds & prices
Weather in Potosí in September
Average temperature 11°C, 3 mm of rain, about 30 days with 6+ hours of sunshine and 46% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.1/10
Ranked #2 of 12 months
- Avg temp
- 11°C
- Rainfall
- 3 mm
- Humidity
- 46%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Potosí scores 9.1/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 11°C, 3 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Potosí is the high colonial silver city under Cerro Rico-thin air, baroque churches, and mining history etched into every street. Best window: the core winter snow season, with shoulder weeks for quieter slopes.
September in Potosí — one of the year's strongest windows (2nd)
September averages 11°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rain is a non-issue at 3 mm for the month, with about 30 days with 6+ hours of sunshine and 11.9 hours of daylight to work with.
A 9.1/10 puts this among the year's best months in Potosí (2nd of 12); only October scores higher, at 9.4/10.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Potosí in September?
- In September, Potosí averages 11°C, 3 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 9.1/10.
- Is September a good time to visit Potosí?
- September earns a 9.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Potosí in September?
- Expect about 3 mm of rain in September. Average humidity is 46% and there are about 30 days with 6+ hours of sunshine.
Curated in Potosí
Tickets & experiences
Things to do in Potosí
Potosí, Bolivia. Live activities and tours from GetYourGuide, matched to this destination.