SeasonMapJapan in September
September is one of Japan's weaker months (rank 10 of 12): its 32 destinations average 60/100, led by Sapporo at 86 — 24°C and 13 rainy days — while Ishigaki is warmer at 35°C and scores 69.
#10 of 12 months for Japan · 32 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Japan in September
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Sapporo | City | 24°C | 131 mm · 13 days | 86 tier A | Yes |
| 2 | Karuizawa | City | 23°C | 179 mm · 21 days | 78 tier B | Yes |
| 3 | Okinawa | Beach | 34°C | 192 mm · 17 days | 75 tier B | — |
| 4 | Hakone | City | 25°C | 232 mm · 18 days | 73 tier B | Yes |
| 5 | Sendai | City | 28°C | 166 mm · 16 days | 73 tier B | — |
| 6 | Fujikawaguchiko | Trekking hub | 27°C | 210 mm · 18 days | 71 tier B | — |
| 7 | Matsumoto | City | 30°C | 215 mm · 18 days | 71 tier B | — |
| 8 | Miyakojima | Island | 35°C | 240 mm · 18 days | 71 tier B | — |
| 9 | Nagano | City | 30°C | 200 mm · 18 days | 71 tier B | — |
| 10 | Nikko | City | 27°C | 242 mm · 23 days | 70 tier B | — |
| 11 | Takayama | City | 29°C | 232 mm · 18 days | 70 tier B | — |
| 12 | Ishigaki | Island | 35°C | 249 mm · 18 days | 69 tier C | — |
| 13 | Nara | City | 32°C | 139 mm · 12 days | 68 tier C | — |
| 14 | Yakushima | National park | 23°C | 207 mm · 18 days | 67 tier C | — |
| 15 | Kanazawa | City | 31°C | 202 mm · 15 days | 66 tier C | — |
| 16 | Tokyo | City | 30°C | 160 mm · 15 days | 66 tier C | — |
| 17 | Kamakura | City | 31°C | 173 mm · 16 days | 65 tier C | — |
| 18 | Kyoto | City | 33°C | 175 mm · 15 days | 64 tier C | — |
| 19 | Nagoya | City | 33°C | 168 mm · 15 days | 64 tier C | — |
| 20 | Yokohama | City | 31°C | 164 mm · 15 days | 64 tier C | — |
| 21 | Hiroshima | City | 33°C | 221 mm · 15 days | 63 tier C | — |
| 22 | Kobe | City | 33°C | 202 mm · 14 days | 62 tier C | — |
| 23 | Kumamoto | City | 34°C | 166 mm · 14 days | 62 tier C | — |
| 24 | Osaka | City | 34°C | 171 mm · 13 days | 61 tier C | — |
| 25 | Fukuoka | City | 33°C | 196 mm · 15 days | 60 tier C | — |
| 26 | Nagasaki | City | 33°C | 212 mm · 15 days | 60 tier C | — |
| 27 | Beppu | City | 33°C | 245 mm · 16 days | 58 tier D | — |
| 28 | Kagoshima | City | 35°C | 218 mm · 17 days | 55 tier D | — |
| 29 | Furano | Ski resort | 21°C | 124 mm · 12 days | 13 tier F | — |
| 30 | Niseko | Ski resort | 24°C | 125 mm · 12 days | 13 tier F | — |
| 31 | Hakuba | Ski resort | 28°C | 328 mm · 22 days | 10 tier F | — |
| 32 | Nozawa Onsen | Ski resort | 27°C | 228 mm · 19 days | 10 tier F | — |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means September is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in Japan in September
- Sapporo Autumn Fest · Sapporo · 11 Sep – 3 Oct
- Autumn colour · Sapporo and 1 more place · 20 Sep – 5 Nov (usually)
- Okinawa Zento Eisa Festival · Okinawa · 4–6 Sep
- Seiji Ozawa Matsumoto Festival · Matsumoto · 15 Aug – 10 Sep (usually)
- Kishiwada Danjiri Matsuri · Osaka · 18–20 Sep
- Manta season at Kabira · Ishigaki · 1 Jun – 30 Nov (usually)
- Tsurugaoka Hachimangu Reitaisai · Kamakura · 14–16 Sep
- Fujisaki Hachimangu autumn festival · Kumamoto · 10–20 Sep (usually)