Potosí Weather in September
Potosí in September averages 18°C (64°F) during the day and 2°C (36°F) at night. Some rainfall is typical for this time of year.
Rainfall in Potosí in September
Historically, September sees about 2 days of rain, with a monthly average of 31 mm (1.2 in). Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.
Temperature in Potosí in September
In September, Potosí gets pleasant temperatures, with highs of 18°C (64°F). Nights cool to around 2°C (36°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 2°C (36°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August, September, October and November typically offer the best circumstances for Potosí.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Bolivia, check out our Potosí's climate page.
Potosí Temperature in September
Min Temperature
2°C (36°F)
Max Temperature
18°C (64°F)
Chance of Rain
8%
Precipitation
31 mm (1.2 in)
Rainy days
2 days
Historical weather for Potosí in September
Browse day-by-day weather records for Potosí spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Potosí historical weather extremes in September
The extremes listed below come from historical weather data collected in Potosí from 2006 through 2025.
- On September 27, 2025, temperatures climbed to 23°C (73°F), marking the warmest September day on record.
- Potosí experienced its chilliest September day on September 16, 2017, reaching only 9°C (48°F).
- Potosí registered its coldest September night on September 9, 2025, with temperatures dropping to -8°C (18°F).
- The wettest September day on record brought 17 mm (0.7 in) of precipitation to Potosí (September 16, 2025).
Best Places in Bolivia in September
Find out more about the weather in Bolivia and which places have the best travel conditions in this month. See all of Bolivia in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Potosí in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers.What To Do in Potosí in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Bolivia, check out our Potosí's climate page.
See the full Potosí climate overview or explore weather in Bolivia.
