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When to go · Green Island

Green Island in September

Avoid month. Listed as a month to avoid: Jun–Sep (typhoons, stronger currents).

Key facts

Verdict
Avoid
Temperature
30°C (86°F) / 24°C (75°F)
average high / low
Rain days
8
Crowds
Medium
Taiwan overall
Prices
Medium
Taiwan overall

Verdict

AvoidBest and avoid months for Green Island

Listed as a month to avoid: Jun–Sep (typhoons, stronger currents).

Is another month better than September?

September is rated avoid. These months rate higher:

Weather in September

Long-term averages
  • Green IslandHighs around 30 °C (86 °F), lows around 24 °C (75 °F), rain on about 8 days
  • Outlying islands, Taiwan · Penghu, Kinmen, Matsu, Green Island, Orchid Islandstorm or typhoon risk

    Strong winter winds cancel boats and flights to Penghu and Matsu; summer is the island season. Fog grounds Matsu and Kinmen flights in spring.

Crowds and prices

Crowds · Taiwan overall
Medium
Prices · Taiwan overall
Medium

Taiwan overall: Typhoons still likely; Mid-Autumn long weekend in some years.

Compare two months

Weather, crowds and prices for any two months in Green Island, side by side.

  • Verdict

    Sep: Avoid

    Jan: Great (better)

  • Daytime high

    Sep: 30 °C (86 °F)

    Jan: 24 °C (75 °F)

  • Night low

    Sep: 24 °C (75 °F)

    Jan: 17 °C (63 °F)

  • Rain days

    Sep: 8

    Jan: 6 (better)

  • Crowds

    Sep: Medium

    Jan: Medium

  • Prices

    Sep: Medium

    Jan: Medium

  • Festivals listed

    Sep: 0

    Jan: 1

September: Listed as a month to avoid: Jun–Sep (typhoons, stronger currents).

January: Inside Green Island's best window: Oct–Apr (dry season, calmer seas).

Green Island: 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
  • A spare day in the plan: storms can cancel flights and ferries

Build the full packing list for your trip →

Across Taiwan in September →