Uyuni weather in September 2025

Expect 16°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Uyuni in September. Check more long-term weather averages for Uyuni in September before you book your next holiday to Bolivia in 2025/2026.

  • 16°C maximum daytime temperature in September in Uyuni16
    16°C max day temperature
  • 9 hours of sunshine per day
  • 2 days with some rainfall in September in Uyuni2
    2 days with some rainfall
  • -2°C minimum night-time temperature in September in Uyuni-2
    -2°C min night temperature
  • 12 hours of daylight per day in September in Uyuni12
    12 hours of daylight per day
  • No heat & humidity in September in Uyuni0
    No heat & humidity
  • 2 mm monthly rainfall in September in Uyuni2
    2 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Uyuni11
    11+ (Extreme) UV index

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The September weather guide for Bolivia (Uyuni) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How warm is it in Uyuni in September?

Daytime temperatures usually reach 16°C in Uyuni in September, falling to -2°C at night.

How sunny is it in Uyuni in September?

There are normally 9 hours of bright sunshine each day in Uyuni in September - that's 72% of daylight hours.

Does it ever rain in Uyuni in September?

There are usually 2 days with some rain in Uyuni in September and the average monthly rainfall is 2mm.

Uyuni September sunrise & sunset times

Browse the sunrise and sunset times for Uyuni in September 2025. Select a month to view Uyuni sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:36 18:19
Monday, 15th September 2025 06:23 18:22
Tuesday, 30th September 2025 06:09 18:25

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