JAPAN ALMANAC

Curated date window

Sapporo Food And Hokkaido's First Color

Late September into early October pairs Sapporo Autumn Fest with Japan Almanac's sourced Hokkaido early-foliage signal.

Dates
September 20, 2026 to October 3, 2026
Overlaps
5 signals
Sources
9
September Hanafuda card: Sake cup
September's Chrysanthemum suit opens this date window.

Use This Window

Open the live date readingWatch related transmissions

Why This Window Is Distinct

Hokkaido can be seasonally ahead of much of Honshu, so this window makes northern routing materially different.

Use Sapporo as a food base, then reserve room for one weather-sensitive foliage or mountain day.

Only during these dates

Timely Openings

These are deterministic overlaps, not generated recommendations.

Approximate mid-September to early October window

Early Autumn Color in Parts of Hokkaido

JNTO's September framing flags early foliage in parts of Hokkaido, making northern and higher-elevation routes seasonally different from much of Honshu.

Source-guided approximate window / Parts of Hokkaido

September 11-October 3, 2026

Sapporo Autumn Fest

A large outdoor food festival gathering Hokkaido produce, regional dishes, sake, wine, and sweets in central Sapporo.

2026 date announced / Odori Park, Sapporo

September 25, 2026; astronomical full moon September 27 at 01:49 JST

Chushu no Meigetsu and Tsukimi Foods

NAOJ places the 2026 mid-autumn moon on September 25; JNTO describes Tsukimi offerings such as susuki, dango, and seasonal vegetables.

2026 date announced / Observed culturally across Japan

Festivals and observances

Calendar Anchors

September 11-October 3, 2026

Sapporo Autumn Fest

Odori Park, Sapporo

HokkaidoFood festival2026 date announced

Caveats

Crowds, Weather, And Confidence

These warnings travel with the structured records. They are planning context, not live operational status.

  • Late-Summer Heat and Typhoon TendencyUse this as climate context only; storm tracks and local heat conditions need fresh travel-week checks.
  • Late-Summer Heat and Typhoon Tendency: weather sensitivityThe structured record marks this signal as highly sensitive to rain or storm disruption.
  • September 2026 Public-Holiday RunCrowd pressure is an editorial travel-planning implication from a three-day national holiday window, not a measured crowd forecast.
  • September 2026 Public-Holiday Run: crowd implicationThe structured record carries a high crowd implication.

Editorial context

Stories, Months, And Hanafuda

Japan in SeptemberJapan in OctoberThe Hanafuda yearChrysanthemum and the Sake CupSeptember’s Hanafuda CardsWhat Is Tsukimi?

Sources

Source And Confidence Context

Every signal in this page comes from the deterministic Living Almanac query layer. The LLM is not a source of truth for these date claims.

  1. National Holidays for 2026 and 2027Cabinet Office, Government of JapanAccessed 2026-09-01
  2. Sapporo Autumn FestHokkaido Tourism OrganizationAccessed 2026-09-01
  3. Japan in SeptemberJapan National Tourism OrganizationAccessed 2026-09-01
  4. Tsukimi, Moon Viewing in JapanJapan National Tourism OrganizationAccessed 2026-09-01
  5. ChoyoKokugakuin University Digital Museum, Encyclopedia of ShintoAccessed 2026-09-01
  6. Meigetsu is not necessarily the full moonNAOJ Calendar WikiAccessed 2026-09-01
  7. Chushu no Meigetsu, September 2026National Astronomical Observatory of JapanAccessed 2026-09-01
  8. Choyo-no-Sekku (Chrysanthemum Festival)National Diet Library Image BankAccessed 2026-09-01
  9. September 9, Choyo no SekkuSHUN GATE / Washoku Association of Japan interviewAccessed 2026-09-01