Nº 1
Sapporo
Mixed in September
- 23° / 14° high / low
- 1.6 h rain/day
- 12.4 h daylight
23° highs, 11 rain days, 80% humidity: a shoulder month: workable, with trade-offs.
Things to do in Sapporo in September →Japan in September
4 covered cities, one measured yardstick: average highs, rain days and daylight from multi-year records. None sits in the ideal band in September; the ranking below says how close each comes. Every card links to that city's own September guide.
Nº 2
Kyoto
Mixed in September
- 29° / 21° high / low
- 2.1 h rain/day
- 12.3 h daylight
29° highs, 14 rain days, 78% humidity: a shoulder month: workable, with trade-offs.
Things to do in Kyoto in September →
Nº 3
Osaka
Mixed in September
- 30° / 23° high / low
- 2.3 h rain/day
- 12.3 h daylight
30° highs, 14 rain days, 76% humidity: a shoulder month: workable, with trade-offs.
Things to do in Osaka in September →Measurably difficult in September
- Tokyo : 202 mm of rain clears the 200 mm threshold: measurably difficult.
Japan's holidays in September 2026
- 21 Sept Respect for the Aged Day (敬老の日)
- 23 Sept Autumnal Equinox Day (秋分の日)
Quick answers
Where is it ideal to travel in September?
0 of the 4 cities we measure sit in the ideal band in September.
Which city is coolest in September?
Sapporo, with average highs of 23 °C in our measured record.
Which city is driest in September?
Sapporo, averaging 11 rain days across the month.