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Salar de Uyuni Weather in September

With daytime temperatures of 18°C (64°F) and nighttime lows of -2°C (28°F), September in Salar de Uyuni brings moderate temperatures during the day. The perfect weather makes it an appealing time to visit.

Rainfall in Salar de Uyuni in September

Historically, the month has about 2 days of snow/rain, averaging 1.9 mm (0.1 in) in total. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.

Temperature in Salar de Uyuni in September

September is a perfect month in Salar de Uyuni, with 18°C (64°F) during the day and -2°C (28°F) at night. Conditions are often most pleasant around the middle of the day. With overnight lows of -2°C (28°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.

If your ideal day consists of dry skies and pleasant temperatures, April, September, October, November and December typically offer the best circumstances for Salar de Uyuni.

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For a detailed overview over the year and the best time to visit Bolivia, check out our Salar de Uyuni's climate page.

Salar de Uyuni Temperature in September

Min TemperatureMin Temperature -2°C (28°F)  
Max TemperatureMax Temperature 18°C (64°F)  
Chance of RainChance of Rain 8%  
PrecipitationPrecipitation 1.9 mm (0.1 in)  
Rainy daysRainy days 2 days  

Historical weather for Salar de Uyuni in September

Browse day-by-day weather records for Salar de Uyuni spanning 21 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Salar de Uyuni historical weather extremes in September

The extremes listed below come from historical weather data collected in Salar de Uyuni from 2006 through 2025.

  • The hottest September day on record in Salar de Uyuni reached 23°C (73°F) (September 30, 2023).
  • Salar de Uyuni experienced its chilliest September day on September 3, 2014, reaching only 11°C (52°F).
  • Salar de Uyuni registered its coldest September night on September 1, 2025, with temperatures dropping to -7°C (19°F).

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 →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Salar de Uyuni 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. With minimal rainfall expected, you can leave the rain gear at home.

What To Do in Salar de Uyuni in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
6/10
Walking
6/10
Camping
2/10
Outdoor sports
10/10

Select a Month

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 Salar de Uyuni's climate page.

More climate data for Salar de Uyuni