When to go · Union Island
Union Island in September
Avoid month. Listed as a month to avoid: Jul–Nov (rainier, hotter).
Key facts
- Verdict
- Avoid
- Temperature
- 31°C (88°F)88°F (31°C) / 26°C (79°F)79°F (26°C)
- average high / low
- Rain days
- 9
- Crowds
- Low
- Saint Vincent and the Grenadines overall
- Prices
- Low
- Saint Vincent and the Grenadines overall
Verdict
Listed as a month to avoid: Jul–Nov (rainier, hotter).
Is another month better than September?
September is rated avoid. These months rate higher:
Weather in September
- Union IslandHighs around 31 °C (88 °F), lows around 26 °C (79 °F), rain on about 9 daysHighs around 88 °F (31 °C), lows around 79 °F (26 °C), rain on about 9 days
Crowds and prices
- Crowds · Saint Vincent and the Grenadines overall
- Low
- Prices · Saint Vincent and the Grenadines overall
- Low
Saint Vincent and the Grenadines overall: Peak storm risk; some Grenadine hotels close.
Compare two months
Weather, crowds and prices for any two months in Union Island, side by side.
Verdict
Sep: Avoid
Jan: Great (better)
Daytime high
Sep: 31 °C (88 °F)88 °F (31 °C)
Jan: 30 °C (86 °F)86 °F (30 °C)
Night low
Sep: 26 °C (79 °F)79 °F (26 °C)
Jan: 24 °C (75 °F)75 °F (24 °C)
Rain days
Sep: 9
Jan: 5 (better)
Crowds
Sep: Low
Jan: High
Prices
Sep: Low
Jan: High
Festivals listed
Sep: 0
Jan: 0
September: Listed as a month to avoid: Jul–Nov (rainier, hotter).
January: Inside Union Island's best window: Dec–Jun.
Union Island: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen