When to go · Zao Onsen
Zao Onsen in September
Great month. Inside Zao Onsen's best window: Dec–Mar for snow monsters and ski; Jul–Sep for hiking and crater views.
Key facts
- Verdict
- Great
- Temperature
- 22°C (72°F)72°F (22°C) / 14°C (57°F)57°F (14°C)
- average high / low
- Rain days
- 13
- Crowds
- Medium
- Japan overall
- Prices
- Medium
- Japan overall
Verdict
Inside Zao Onsen's best window: Dec–Mar for snow monsters and ski; Jul–Sep for hiking and crater views.
Is another month better than September?
No other month rates higher than September for Zao Onsen in this guide.
Weather in September
- Zao OnsenHighs around 22 °C (72 °F), lows around 14 °C (57 °F), rain on about 13 daysHighs around 72 °F (22 °C), lows around 57 °F (14 °C), rain on about 13 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 Onsen, side by side.
Verdict
Sep: Great
Jan: Great
Daytime high
Sep: 22 °C (72 °F)72 °F (22 °C)
Jan: -1 °C (30 °F)30 °F (-1 °C)
Night low
Sep: 14 °C (57 °F)57 °F (14 °C)
Jan: -7 °C (19 °F)19 °F (-7 °C)
Rain days
Sep: 13 (better)
Jan: 20
Crowds
Sep: Medium
Jan: Low
Prices
Sep: Medium
Jan: Low
Festivals listed
Sep: 0
Jan: 1
September: Inside Zao Onsen's best window: Dec–Mar for snow monsters and ski; Jul–Sep for hiking and crater views.
January: Inside Zao Onsen's best window: Dec–Mar for snow monsters and ski; Jul–Sep for hiking and crater views.
Zao Onsen: figures are long-term averages from this guide, not a forecast.
What to pack
- A rain jacket or umbrella and shoes that dry fast