When to go · Rio San Juan
Rio San Juan in September
Avoid month. Listed as a month to avoid: May–Nov (rainy season, hurricane risk).
Key facts
- Verdict
- Avoid
- Temperature
- 32°C (90°F)90°F (32°C) / 24°C (75°F)75°F (24°C)
- average high / low
- Rain days
- 13
- Crowds
- Low
- Dominican Republic overall
- Prices
- Low
- Dominican Republic overall
Verdict
Listed as a month to avoid: May–Nov (rainy season, hurricane risk).
Is another month better than September?
September is rated avoid. These months rate higher:
Weather in September
- Rio San JuanHighs around 32 °C (90 °F), lows around 24 °C (75 °F), rain on about 13 daysHighs around 90 °F (32 °C), lows around 75 °F (24 °C), rain on about 13 days
Crowds and prices
- Crowds · Dominican Republic overall
- Low
- Prices · Dominican Republic overall
- Low
Dominican Republic overall: Peak hurricane month; lowest prices.
Compare two months
Weather, crowds and prices for any two months in Rio San Juan, side by side.
Verdict
Sep: Avoid
Jan: Great (better)
Daytime high
Sep: 32 °C (90 °F)90 °F (32 °C)
Jan: 28 °C (82 °F)82 °F (28 °C)
Night low
Sep: 24 °C (75 °F)75 °F (24 °C)
Jan: 20 °C (68 °F)68 °F (20 °C)
Rain days
Sep: 13
Jan: 8 (better)
Crowds
Sep: Low
Jan: High
Prices
Sep: Low
Jan: High
Festivals listed
Sep: 0
Jan: 0
September: Listed as a month to avoid: May–Nov (rainy season, hurricane risk).
January: Inside Rio San Juan's best window: Dec–Apr.
Rio San Juan: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast