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When to go · Zao

Zao in September

Great month. Inside Zao's best window: Jun–Oct for the crater; Dec–Mar for skiing.

Key facts

Verdict
Great
Temperature
24°C (75°F) / 16°C (61°F)
average high / low
Rain days
12
Crowds
Medium
Japan overall
Prices
Medium
Japan overall

Verdict

GreatBest and avoid months for Zao

Inside Zao's best window: Jun–Oct for the crater; Dec–Mar for skiing.

Is another month better than September?

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

Weather in September

Long-term averages
  • ZaoHighs around 24 °C (75 °F), lows around 16 °C (61 °F), rain on about 12 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 Zao, side by side.

  • Verdict

    Sep: Great

    Jan: Great

  • Daytime high

    Sep: 24 °C (75 °F)

    Jan: 2 °C (36 °F)

  • Night low

    Sep: 16 °C (61 °F)

    Jan: -5 °C (23 °F)

  • Rain days

    Sep: 12

    Jan: 12

  • Crowds

    Sep: Medium

    Jan: Low

  • Prices

    Sep: Medium

    Jan: Low

  • Festivals listed

    Sep: 0

    Jan: 1

September: Inside Zao's best window: Jun–Oct for the crater; Dec–Mar for skiing.

January: Inside Zao's best window: Jun–Oct for the crater; Dec–Mar for skiing.

Zao: 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 →