Climate guide for Uyuni, Bolivia

Uyuni in September

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

September · Bolivia

Best time to visit Uyuni in September Weather, crowds & prices

Weather in Uyuni in September

Average temperature 7°C, 1 mm of rain, about 30 days with 6+ hours of sunshine and 29% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

8.0/10

Ranked #7 of 12 months

Full year for Uyuni
Avg temp
7°C
Rainfall
1 mm
Humidity
29%
Days with 6h+ sun
30
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Uyuni scores 8.0/10 for sightseeing and cultural travel - ranked #7 of 12. Expect around 7°C, 1 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.

Uyuni is the salt-flat staging town-train cemetery photos, jeep tours onto Salar de Uyuni, and cold desert nights. Best window: cooler months from late autumn through early spring.

September in Uyuni: strong conditions, 7th of 12

September averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Rain is a non-issue at 1 mm for the month, with about 30 days with 6+ hours of sunshine and 11.9 hours of daylight to work with.

It scores 8/10 here, 7th of 12 months, against 9/10 in the destination's best month.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

Figure on mid-season pricing, with crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Uyuni in September?
In September, Uyuni averages 7°C, 1 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 8.0/10.
Is September a good time to visit Uyuni?
September earns a 8.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Uyuni in September?
Expect about 1 mm of rain in September. Average humidity is 29% and there are about 30 days with 6+ hours of sunshine.

Curated in Uyuni

Tickets & experiences

Things to do in Uyuni

Uyuni, Bolivia. Live activities and tours from GetYourGuide, matched to this destination.