Comfortable and mostly dry: warm days, cool evenings and the first autumn leaves in the mountains. One of the best months to visit.

| City | Average high | Average low |
|---|---|---|
| Sapporo | 16°C | 8°C |
| Tokyo | 22°C | 15°C |
| Osaka | 24°C | 16°C |
| Fukuoka | 24°C | 16°C |
| Okinawa (Naha) | 28°C | 24°C |
Rounded averages from the Japan Meteorological Agency (1991–2020). Actual weather varies from year to year: check the live forecast before you go.
Autumn leaves in early October; the first snow can fall late in the month.
Bright autumn leaves at Oirase, Lake Towada and the mountains.
Around 22°C by day, clear and pleasant; leaves turn in Nikko and the mountains.
Comfortable, around 24°C; the leaves start to turn at the end of the month.
Warm and dry; good for hiking at Aso and Kirishima.
Still warm enough to swim; typhoons become less frequent.

Light layers and a jacket for the evening; warmer clothes for the mountains.
Autumn leaves in Nikko, Hokkaido and the Alps, the Takayama autumn festival, and harvest food like chestnuts and new rice.
A late typhoon is still possible early in the month; nights in the mountains can be near freezing.
Comfortable and mostly dry: warm days, cool evenings and the first autumn leaves in the mountains. One of the best months to visit.
Light layers and a jacket for the evening; warmer clothes for the mountains.
On average about 22°C in the day and 15°C at night.
