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Japan in September

6 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.

Measurably difficult in September

  • Tokyo : 202 mm of rain clears the 200 mm threshold: measurably difficult.
  • Nagoya : 210 mm of rain clears the 200 mm threshold: measurably difficult.

Japan's holidays in September 2027

  • 20 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 6 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.