When to go · San Juan
San Juan in September
Great month. Inside San Juan's best window: May–Oct (dry season, clearer roads).
Key facts
- Verdict
- Great
- Temperature
- 21°C (70°F)70°F (21°C) / −2°C (28°F)28°F (−2°C)
- average high / low
- Rain days
- 3
- Crowds
- Medium
- Bolivia overall
- Prices
- Medium
- Bolivia overall
Verdict
Inside San Juan's best window: May–Oct (dry season, clearer roads).
Is another month better than September?
No other month rates higher than September for San Juan in this guide.
Weather in September
- San JuanHighs around 21 °C (70 °F), lows around -2 °C (28 °F), rain on about 3 daysHighs around 70 °F (21 °C), lows around 28 °F (-2 °C), rain on about 3 days
Crowds and prices
- Crowds · Bolivia overall
- Medium
- Prices · Bolivia overall
- Medium
Bolivia overall: Good all round; lowland smoke some years.
Compare two months
Weather, crowds and prices for any two months in San Juan, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 21 °C (70 °F)70 °F (21 °C)
May: 19 °C (66 °F)66 °F (19 °C)
Night low
Sep: -2 °C (28 °F)28 °F (-2 °C)
May: -3 °C (27 °F)27 °F (-3 °C)
Rain days
Sep: 3
May: 2 (better)
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 0
May: 0
September: Inside San Juan's best window: May–Oct (dry season, clearer roads).
May: Inside San Juan's best window: May–Oct (dry season, clearer roads).
San Juan: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings