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Japan in September
Silver Week holiday in late September can spike domestic travel demand briefly.
What to expect in Japan in September
September brings warm weather to Japan, with daytime highs around 27°C (81°F) and overnight lows near 22°C (72°F). Skies are typically distinctly rainy, with about 210 mm of rainfall on average. Silver Week holiday in late September can spike domestic travel demand briefly..
Crowds are manageable in September — busy in popular areas but not overwhelming. Prices sit in the shoulder-season range — not the cheapest, but well off peak. Peak season runs Late March–April (cherry blossom), October–November, for context.
Live fares for Japan in September
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