Santa Cruz de la Sierra
Weather by month
Current – 10-day forecastForecast

Santa Cruz de la Sierra Weather in September

September in Santa Cruz de la Sierra brings very high temperatures around 31°C (88°F) during the day, dropping to 20°C (68°F) at night, with quite a bit of rainfall expected, averaging around 69 mm (2.7 in) for the month.

Rainfall in Santa Cruz de la Sierra in September

Historically, approximately 5 days this month are expected to have rain, averaging 69 mm (2.7 in). The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.

Temperature in Santa Cruz de la Sierra in September

In September, Santa Cruz de la Sierra sees very high temperatures, with highs of 31°C (88°F). Nights drop to around 20°C (68°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. At 20°C (68°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Wind Speed in Santa Cruz de la Sierra in September

Wind speeds average 6 m/s (12 knots) during September. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July and August typically offer the best circumstances for Santa Cruz de la Sierra.

Santa Cruz de la Sierra Temperature in September

Min Temperature
20°C (68°F)
Max Temperature
31°C (88°F)
Chance of Rain
17%
Precipitation
69 mm (2.7 in)
Rainy days
5 days
Humidity
64%
Windspeed
6 m/s (12 knots)

Santa Cruz de la Sierra Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Santa Cruz de la Sierra - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Santa Cruz de la Sierra typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are pleasant, with lows typically ranging from 17°C (63°F) to 20°C (68°F).

Average temperatures in September

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

Historical weather records for Santa Cruz de la Sierra in September

Browse day-by-day weather records for Santa Cruz de la Sierra spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Santa Cruz de la Sierra historical weather extremes in September

Based on 43 years of weather observations in Santa Cruz de la Sierra between 1983 and 2026, these are the recorded extremes.

  • The warmest day in September was on September 30, 2007, with a maximum of 39°C (102°F).
  • Nighttime temperatures dropped to 8°C (46°F) on September 15, 1990, marking the coldest September night on record.

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

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 Santa Cruz de la Sierra in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket.

What To Do in Santa Cruz de la Sierra in September

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

  • Cycling
    8/10
  • Walking
    8/10
  • Camping
    8/10
  • Outdoor sports
    8/10

Santa Cruz de la Sierra 3-Day Forecast

More climate data for Santa Cruz de la Sierra

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.