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Osaka in September

Averaged across 6 Osaka landmarks · September 2026

Osaka averages 44/100 on the crowd index through September. The calmest day is Wed 16 Sep 2026, the worst Sat 26 Sep 2026.

On in September: Halloween Horror Nights season · Halloween peak Saturday night

Every day in September

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Quietest dates

  • Wed 16 Sep 2026BusyHalloween Horror Nights season
  • Tue 15 Sep 2026BusyHalloween Horror Nights season
  • Fri 11 Sep 2026BusyHalloween Horror Nights season
  • Mon 14 Sep 2026BusyHalloween Horror Nights season
  • Mon 7 Sep 2026BusyHalloween Horror Nights season

Busiest dates

  • Sat 26 Sep 2026BusyHalloween peak Saturday night
  • Sat 19 Sep 2026BusyHalloween peak Saturday night
  • Mon 21 Sep 2026BusyHalloween Horror Nights season
  • Tue 22 Sep 2026BusyHalloween Horror Nights season
  • Sat 12 Sep 2026BusyHalloween peak Saturday night

Common questions

Is September a good time to visit Osaka?
Osaka averages 44/100 on the crowd index across September. The calmest dates are around Wed 16 Sep, Tue 15 Sep, Fri 11 Sep; the busiest is Sat 26 Sep.
How busy is Osaka at weekends in September?
Weekdays average 42/100 and weekends and public holidays average 48/100 — a 6-point difference.

Crowd alerts

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Other months in Osaka: January · February · March · April · May · June · July · August · October · November · December

How this forecast is built

Each day's crowd level combines the landmark's baseline popularity, Japanese national holidays (computed from the official rules, including substitute holidays), curated local festival and season windows, a national tourism seasonality curve derived from published visitor-arrival patterns, and live rain probability from the Japan Meteorological Agency — weighted by how much that specific place actually empties out in the rain.

It's a model, not a measurement. It's good at "this weekend will be much worse than the following Tuesday" and it is not a headcount. Days beyond the JMA's ~7-day window use seasonal rain climatology.