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When to go · Niijima

Niijima in September

Great month. Inside Niijima's best window: Jun–Sep (warm surf, less rain).

Key facts

Verdict
Great
Temperature
26°C (79°F) / 21°C (70°F)
average high / low
Rain days
11
Crowds
Medium
Japan overall
Prices
Medium
Japan overall

Verdict

GreatBest and avoid months for Niijima

Inside Niijima's best window: Jun–Sep (warm surf, less rain).

Is another month better than September?

No other month rates higher than September for Niijima in this guide.

Weather in September

Long-term averages
  • NiijimaHighs around 26 °C (79 °F), lows around 21 °C (70 °F), rain on about 11 days

Crowds and prices

Crowds · Japan overall
Medium
Prices · Japan overall
Medium

Japan overall: Still hot; typhoon peak can cancel flights and ferries for a day or two.

Compare two months

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

  • Verdict

    Sep: Great

    Jun: Great

  • Daytime high

    Sep: 26 °C (79 °F)

    Jun: 24 °C (75 °F)

  • Night low

    Sep: 21 °C (70 °F)

    Jun: 18 °C (64 °F)

  • Rain days

    Sep: 11 (better)

    Jun: 12

  • Crowds

    Sep: Medium

    Jun: Low

  • Prices

    Sep: Medium

    Jun: Medium

  • Festivals listed

    Sep: 0

    Jun: 0

September: Inside Niijima's best window: Jun–Sep (warm surf, less rain).

June: Inside Niijima's best window: Jun–Sep (warm surf, less rain).

Niijima: figures are long-term averages from this guide, not a forecast.

What to pack

  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Japan in September →