Osaka · Month comparison

September vs October

October ranks #1 overall vs September at #7. Osaka's second-best month — excellent weather, Osaka Marathon, and the city quietly settling into its best season.

Osaka September — daytime street scene in Namba with pedestrians and shopfronts in early autumn

September

#7 of 12 months

Strong option

Kishiwada Danjiri Matsuri — the most spectacular (and dangerous) portable shrine festival in Japan runs in mid-September.

  • ↑Kishiwada Danjiri Matsuri (mid-September, typically third weekend) sees massive wooden festival floats pulled at speed through narrow streets by hundreds of participants — genuinely extraordinary and unlike any other festival in Japan
  • ↑Osaka Marathon weekend (October, but registrations and build-up in September) adds a running culture energy to the city; the course passes Dotonbori and Osaka Castle
Osaka October — Osaka Castle keep surrounded by autumn leaves turning gold and red

October

#1 of 12 months

Best match

Osaka's second-best month — excellent weather, Osaka Marathon, and the city quietly settling into its best season.

  • ↑Near-ideal conditions: 22°C highs with low humidity and genuine sunshine — the most comfortable weather in Osaka's year outside of April, without April's cherry blossom crowds
  • ↑Osaka Marathon (late October) brings a festive weekend to the city, with the race course passing Osaka Castle and Dotonbori; worth timing around even as a spectator
FactorSeptemberOctober
Weather score
5
9
Value score
7
7
Crowd score
6
6
Events score
8
7
Atmosphere
7
8
Avg high temp29°C22°C
Monthly rain160mm112mm
Daily sunshine5.9hrs6.3hrs

September trade-offs

  • ↓September sees Osaka's second highest annual rainfall at 160mm — typhoon season means some weekends bring heavy rain and occasional travel disruption
  • ↓Still humid: 73% humidity combined with 29°C means the post-summer relief is gradual rather than immediate
  • ↓Kishiwada Danjiri Matsuri is in Kishiwada city (30 minutes south of Osaka by Nankai Line) rather than central Osaka — a day trip rather than a walkable event

October trade-offs

  • ↓Autumn foliage is still arriving in October — the famous red maple season at nearby temples peaks in November; October visitors get good weather but not the full colour display
  • ↓112mm of rainfall means occasional wet days; October weather in Osaka can still produce a rainy week, though typhoon risk drops significantly from September
  • ↓International visitor numbers are climbing again after the summer lull; Dotonbori and Kuromon Market are busier than June-September
See all 12 months for Osaka →September in detail →October in detail →
Scores compare months within Osaka. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →