When to go · Arima Onsen
Arima Onsen in September
Mixed month. Outside the best window (Mar–May, Oct–Nov). Across Japan: Still hot; typhoon peak can cancel flights and ferries for a day or two.
Key facts
- Verdict
- Mixed
- Temperature
- 27°C (81°F)81°F (27°C) / 22°C (72°F)72°F (22°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- Japan overall
- Prices
- Medium
- Japan overall
Verdict
Outside the best window (Mar–May, Oct–Nov). Across Japan: Still hot; typhoon peak can cancel flights and ferries for a day or two.
Is another month better than September?
September is rated mixed. These months rate higher:
Weather in September
- Arima OnsenHighs around 27 °C (81 °F), lows around 22 °C (72 °F), rain on about 9 daysHighs around 81 °F (27 °C), lows around 72 °F (22 °C), rain on about 9 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 Arima Onsen, side by side.
Verdict
Sep: Mixed
Mar: Great (better)
Daytime high
Sep: 27 °C (81 °F)81 °F (27 °C)
Mar: 14 °C (57 °F)57 °F (14 °C)
Night low
Sep: 22 °C (72 °F)72 °F (22 °C)
Mar: 7 °C (45 °F)45 °F (7 °C)
Rain days
Sep: 9 (better)
Mar: 11
Crowds
Sep: Medium
Mar: High
Prices
Sep: Medium
Mar: High
Festivals listed
Sep: 0
Mar: 1
September: Outside the best window (Mar–May, Oct–Nov). Across Japan: Still hot; typhoon peak can cancel flights and ferries for a day or two.
March: Inside Arima Onsen's best window: Mar–May, Oct–Nov.
Arima Onsen: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.