Monthly climate guide
Santa Cruz de la Sierra weather in September
Expect very hot weather in Santa Cruz de la Sierra in September: afternoons reach about 32°C (90°F), while nights drop to around 20°C (68°F). Around 49 mm of rain falls over the month (fairly dry), and skies are a mix of sun and cloud. Daytime highs are 4°C warmer than August and about the same as October.
What stands out in September
- Evenings cool off sharply: the daily range is around 13°C, so pack a layer.
- September is Santa Cruz de la Sierra's third warmest month.
- It's one of the drier months, with about 46% less rain than Santa Cruz de la Sierra's average.
- September sits in Santa Cruz de la Sierra's drier season — usually a comfortable time to visit.
Avg high
32°C
90°F
Avg low
20°C
68°F
Rainfall
49 mm
fairly dry
Humidity
51%
relative
Sky
50%
cloud · a mix of sun and cloud
Santa Cruz de la Sierra weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 31°C / 89°F | 22°C / 72°F | 146 mm | 71% | 78% |
| February | 30°C / 87°F | 22°C / 72°F | 132 mm | 75% | 81% |
| March | 31°C / 87°F | 21°C / 71°F | 107 mm | 72% | 72% |
| April | 29°C / 85°F | 20°C / 68°F | 98 mm | 72% | 68% |
| May | 27°C / 80°F | 18°C / 64°F | 106 mm | 75% | 67% |
| June | 26°C / 78°F | 16°C / 61°F | 94 mm | 74% | 70% |
| July | 26°C / 79°F | 15°C / 60°F | 47 mm | 66% | 59% |
| August | 29°C / 84°F | 17°C / 62°F | 56 mm | 55% | 50% |
| September | 32°C / 90°F | 20°C / 68°F | 49 mm | 51% | 50% |
| October | 34°C / 92°F | 22°C / 72°F | 60 mm | 54% | 67% |
| November | 33°C / 91°F | 22°C / 72°F | 94 mm | 60% | 70% |
| December | 32°C / 90°F | 23°C / 73°F | 108 mm | 67% | 79% |
What to pack for September
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
Is September a good time to visit Santa Cruz de la Sierra?
Compare the months in the chart above to find your ideal window.
Best time to visit Santa Cruz de la Sierra →Other Bolivia cities in September
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Santa Cruz de la Sierra weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/bolivia/santa-cruz-de-la-sierra/september
<a href="https://weathercompare.eu/weather/bolivia/santa-cruz-de-la-sierra/september">Santa Cruz de la Sierra weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/bolivia/santa-cruz-de-la-sierra" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Santa Cruz de la Sierra weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/bolivia/santa-cruz-de-la-sierra/september">Santa Cruz de la Sierra weather in September</a> – WeatherCompare</p>
Santa Cruz de la Sierra in September: quick answers
Is September a good time to visit Santa Cruz de la Sierra?
It can be, if you like heat: September highs in Santa Cruz de la Sierra are around 32°C. Good for the beach; plan sightseeing for early morning and evening.
How warm is Santa Cruz de la Sierra in September?
Average highs are about 32°C (90°F) and average lows about 20°C (68°F), based on 10 years of daily data.
Does it rain a lot in Santa Cruz de la Sierra in September?
Santa Cruz de la Sierra typically gets around 49 mm of rain in September — fairly dry.
Figures are long-term averages for the area around Santa Cruz de la Sierra (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.