| 2026-09-16 | Fukuyama | Record daily precipitation (provisional) | 191.0 mm (7.5 in) | 72.5 mm (2.9 in) | 50 | 68 of 100 (Major) |
| 2026-09-16 | Sasebo Reg Met HQ | Record daily precipitation (provisional) | 288.0 mm (11.3 in) | 229.0 mm (9.0 in) | 67 | 67 of 100 (Major) |
| 2026-09-16 | Suttsu | Record daily precipitation (provisional) | 193.5 mm (7.6 in) | 102.2 mm (4.0 in) | 59 | 64 of 100 (Major) |
| 2026-09-16 | Irozaki | Record daily precipitation (provisional) | 214.0 mm (8.4 in) | 139.5 mm (5.5 in) | 53 | 63 of 100 (Major) |
| 2026-09-16 | Omu | Record daily precipitation (provisional) | 231.0 mm (9.1 in) | 109.1 mm (4.3 in) | 28 | 55 of 100 (Notable) |
| 2026-09-16 | Esashi | Record daily precipitation (provisional) | 214.0 mm (8.4 in) | 108.1 mm (4.3 in) | 28 | 55 of 100 (Notable) |
| 2026-09-16 | Kutchan | Record daily precipitation (provisional) | 139.5 mm (5.5 in) | 56.4 mm (2.2 in) | 28 | 55 of 100 (Notable) |
| 2026-09-16 | Tanegashima | Record daily precipitation (provisional) | 412.0 mm (16.2 in) | 197.9 mm (7.8 in) | 28 | 55 of 100 (Notable) |
| 2026-09-16 | Fukui | Record daily precipitation (provisional) | 418.0 mm (16.5 in) | 294.0 mm (11.6 in) | 16 | 51 of 100 (Notable) |
| 2026-09-16 | Fushiki | Record daily precipitation (provisional) | 213.0 mm (8.4 in) | 144.9 mm (5.7 in) | 12 | 50 of 100 (Notable) |
| 2026-09-16 | Wakkanai | Record daily precipitation (provisional) | 314.5 mm (12.4 in) | 31.0 mm (1.2 in) | 0 | 49 of 100 (Notable) |
| 2026-09-16 | Haboro | Record daily precipitation (provisional) | 128.0 mm (5.0 in) | 54.1 mm (2.1 in) | 15 | 47 of 100 (Notable) |
| 2026-09-16 | Iwamizawa | Record daily precipitation (provisional) | 271.5 mm (10.7 in) | 9.5 mm (0.37 in) | 45 | 46 of 100 (Notable) |
| 2026-09-16 | Nagasaki | Record daily precipitation (provisional) | 161.0 mm (6.3 in) | 48.9 mm (1.9 in) | 68 | 44 of 100 (Notable) |
| 2026-09-16 | Otaru | Record daily precipitation (provisional) | 112.0 mm (4.4 in) | 25.7 mm (1.0 in) | 59 | 42 of 100 (Notable) |
| 2026-09-16 | Karuizawa | Record daily precipitation (provisional) | 183.0 mm (7.2 in) | 57.0 mm (2.2 in) | 28 | 42 of 100 (Notable) |
| 2026-09-16 | Sendai | Record daily precipitation (provisional) | 157.0 mm (6.2 in) | 64.5 mm (2.5 in) | 12 | 40 of 100 (Notable) |
| 2026-09-16 | Tokushima | Record daily precipitation (provisional) | 273.5 mm (10.8 in) | 59.9 mm (2.4 in) | 60 | 40 of 100 (Notable) |
| 2026-09-16 | Hirado | Record daily precipitation (provisional) | 155.5 mm (6.1 in) | 78.3 mm (3.1 in) | 24 | 36 of 100 (Notable) |
| 2026-09-16 | Fukue | Record daily precipitation (provisional) | 133.5 mm (5.3 in) | 65.9 mm (2.6 in) | 24 | 30 of 100 (Routine) |
| 2026-09-16 | Kure Reg Met HQ | Record daily precipitation (provisional) | 357.5 mm (14.1 in) | 27.5 mm (1.1 in) | 0 | 29 of 100 (Routine) |
| 2026-09-16 | Matsuyama | Record daily precipitation (provisional) | 130.0 mm (5.1 in) | 27.9 mm (1.1 in) | 28 | 29 of 100 (Routine) |
| 2026-09-16 | Niigata | Record daily precipitation (provisional) | 73.0 mm (2.9 in) | 13.1 mm (0.5 in) | 28 | 24 of 100 (Routine) |
| 2026-09-16 | Kagoshima | Record daily precipitation (provisional) | 182.0 mm (7.2 in) | 19.9 mm (0.8 in) | 28 | 22 of 100 (Routine) |
| 2026-09-17 | Suwa | Record daily precipitation (provisional) | 197.0 mm (7.8 in) | 99.4 mm (3.9 in) | 60 | 65 of 100 (Major) |
| 2026-09-18 | Fukui | Record daily precipitation (provisional) | 146.5 mm (5.8 in) | 58.9 mm (2.3 in) | 60 | 52 of 100 (Notable) |
| 2026-09-18 | Suwa | Record daily precipitation (provisional) | 175.5 mm (6.9 in) | 99.6 mm (3.9 in) | 9 | 49 of 100 (Notable) |
| 2026-09-18 | Osaka | Record daily precipitation (provisional) | 119.0 mm (4.7 in) | 75.6 mm (3.0 in) | 4 | 46 of 100 (Notable) |
| 2026-09-18 | Morioka | Record daily precipitation (provisional) | 191.0 mm (7.5 in) | 5.0 mm (0.20 in) | 0 | 30 of 100 (Routine) |
| 2026-09-18 | Himeji | Record daily precipitation (provisional) | 138.5 mm (5.5 in) | 47.6 mm (1.9 in) | 9 | 27 of 100 (Routine) |
| 2026-09-18 | Maizuru Reg Met HQ | Record daily precipitation (provisional) | 122.5 mm (4.8 in) | 18.6 mm (0.7 in) | 8 | 16 of 100 (Routine) |
| 2026-09-19 | Hita | Record daily precipitation (provisional) | 153.0 mm (6.0 in) | 69.3 mm (2.7 in) | 65 | 57 of 100 (Notable) |
| 2026-09-19 | Kofu | Record daily precipitation (provisional) | 212.5 mm (8.4 in) | 58.6 mm (2.3 in) | 35 | 43 of 100 (Notable) |
| 2026-09-19 | Hiroo | Record daily precipitation (provisional) | 162.0 mm (6.4 in) | 72.1 mm (2.8 in) | 11 | 32 of 100 (Routine) |
| 2026-09-19 | Ueno | Record daily precipitation (provisional) | 66.0 mm (2.6 in) | 12.4 mm (0.5 in) | 35 | 22 of 100 (Routine) |
| 2026-09-20 | Hikone | Record daily precipitation (provisional) | 144.0 mm (5.7 in) | 80.1 mm (3.2 in) | 61 | 60 of 100 (Major) |
| 2026-09-20 | Sasebo Reg Met HQ | Record daily precipitation (provisional) | 326.0 mm (12.8 in) | 229.0 mm (9.0 in) | 40 | 59 of 100 (Notable) |
| 2026-09-20 | Mito | Record daily precipitation (provisional) | 196.0 mm (7.7 in) | 134.5 mm (5.3 in) | 36 | 58 of 100 (Notable) |
| 2026-09-20 | Wakamatsu | Record daily precipitation (provisional) | 258.0 mm (10.2 in) | 215.1 mm (8.5 in) | 36 | 57 of 100 (Notable) |
| 2026-09-20 | Otaru | Record daily precipitation (provisional) | 172.5 mm (6.8 in) | 134.4 mm (5.3 in) | 32 | 56 of 100 (Notable) |
| 2026-09-20 | Hachinohe | Record daily precipitation (provisional) | 180.0 mm (7.1 in) | 63.9 mm (2.5 in) | 36 | 54 of 100 (Notable) |
| 2026-09-20 | Wakkanai | Record daily precipitation (provisional) | 255.0 mm (10.0 in) | 218.9 mm (8.6 in) | 13 | 51 of 100 (Notable) |
| 2026-09-20 | Nagasaki | Record daily precipitation (provisional) | 167.0 mm (6.6 in) | 90.0 mm (3.5 in) | 40 | 51 of 100 (Notable) |
| 2026-09-20 | Yamagata | Record daily precipitation (provisional) | 92.0 mm (3.6 in) | 54.9 mm (2.2 in) | 15 | 50 of 100 (Notable) |
| 2026-09-20 | Hirado | Record daily precipitation (provisional) | 276.5 mm (10.9 in) | 105.5 mm (4.2 in) | 40 | 49 of 100 (Notable) |
| 2026-09-20 | Esashi | Record daily precipitation (provisional) | 274.0 mm (10.8 in) | 224.0 mm (8.8 in) | 4 | 48 of 100 (Notable) |
| 2026-09-20 | Kagoshima | Record daily precipitation (provisional) | 421.0 mm (16.6 in) | 33.5 mm (1.3 in) | 0 | 39 of 100 (Notable) |
| 2026-09-20 | Nobeoka | Record daily precipitation (provisional) | 285.0 mm (11.2 in) | 112.0 mm (4.4 in) | 15 | 38 of 100 (Notable) |
| 2026-09-20 | Nagano | Record daily precipitation (provisional) | 83.0 mm (3.3 in) | 42.1 mm (1.7 in) | 4 | 37 of 100 (Notable) |
| 2026-09-20 | Matsue | Record daily precipitation (provisional) | 87.5 mm (3.4 in) | 60.6 mm (2.4 in) | 9 | 36 of 100 (Notable) |
| 2026-09-20 | Kitamiesashi | Record daily precipitation (provisional) | 57.0 mm (2.2 in) | 24.5 mm (1.0 in) | 36 | 35 of 100 (Notable) |
| 2026-09-20 | Fukue | Record daily precipitation (provisional) | 143.0 mm (5.6 in) | 64.5 mm (2.5 in) | 40 | 35 of 100 (Notable) |
| 2026-09-20 | Karuizawa | Record daily precipitation (provisional) | 265.5 mm (10.5 in) | 25.0 mm (1.0 in) | 19 | 34 of 100 (Routine) |
| 2026-09-20 | Mutsu | Record daily precipitation (provisional) | 86.5 mm (3.4 in) | 43.6 mm (1.7 in) | 4 | 31 of 100 (Routine) |
| 2026-09-20 | Hiroo | Record daily precipitation (provisional) | 77.5 mm (3.1 in) | 29.5 mm (1.2 in) | 32 | 24 of 100 (Routine) |
| 2026-09-20 | Kure Reg Met HQ | Record daily precipitation (provisional) | 50.5 mm (2.0 in) | 5.5 mm (0.22 in) | 48 | 23 of 100 (Routine) |
| 2026-09-20 | Toyama | Record daily precipitation (provisional) | 85.5 mm (3.4 in) | 9.6 mm (0.38 in) | 4 | 12 of 100 (Routine) |
| 2026-09-21 | Hirado | Record daily precipitation (provisional) | 258.5 mm (10.2 in) | 192.7 mm (7.6 in) | 69 | 67 of 100 (Major) |
| 2026-09-21 | Obihiro | Record daily precipitation (provisional) | 125.0 mm (4.9 in) | 87.6 mm (3.4 in) | 63 | 65 of 100 (Major) |
| 2026-09-21 | Fukaura | Record daily precipitation (provisional) | 122.5 mm (4.8 in) | 71.7 mm (2.8 in) | 63 | 65 of 100 (Major) |
| 2026-09-21 | Rumoi | Record daily precipitation (provisional) | 88.0 mm (3.5 in) | 56.5 mm (2.2 in) | 48 | 61 of 100 (Major) |
| 2026-09-21 | Hiroo | Record daily precipitation (provisional) | 169.0 mm (6.7 in) | 115.8 mm (4.6 in) | 63 | 61 of 100 (Major) |
| 2026-09-21 | Miyakonojo | Record daily precipitation (provisional) | 431.0 mm (17.0 in) | 90.3 mm (3.6 in) | 72 | 61 of 100 (Major) |
| 2026-09-21 | Suttsu | Record daily precipitation (provisional) | 300.0 mm (11.8 in) | 246.5 mm (9.7 in) | 40 | 59 of 100 (Notable) |
| 2026-09-21 | Matsumoto | Record daily precipitation (provisional) | 133.0 mm (5.2 in) | 67.0 mm (2.6 in) | 27 | 52 of 100 (Notable) |
| 2026-09-21 | Chichibu | Record daily precipitation (provisional) | 254.5 mm (10.0 in) | 120.6 mm (4.7 in) | 15 | 50 of 100 (Notable) |
| 2026-09-21 | Nagasaki | Record daily precipitation (provisional) | 263.0 mm (10.4 in) | 20.2 mm (0.8 in) | 71 | 45 of 100 (Notable) |
| 2026-09-21 | Esashi | Record daily precipitation (provisional) | 75.5 mm (3.0 in) | 35.0 mm (1.4 in) | 48 | 42 of 100 (Notable) |
| 2026-09-21 | Suwa | Record daily precipitation (provisional) | 266.0 mm (10.5 in) | 49.0 mm (1.9 in) | 0 | 41 of 100 (Notable) |
| 2026-09-21 | Matsue | Record daily precipitation (provisional) | 392.5 mm (15.5 in) | 29.5 mm (1.2 in) | 0 | 40 of 100 (Notable) |
| 2026-09-21 | Haboro | Record daily precipitation (provisional) | 206.0 mm (8.1 in) | 9.5 mm (0.37 in) | 0 | 33 of 100 (Routine) |
| 2026-09-21 | Mombetsu | Record daily precipitation (provisional) | 30.5 mm (1.2 in) | 8.8 mm (0.35 in) | 63 | 31 of 100 (Routine) |
| 2026-09-21 | Iida | Record daily precipitation (provisional) | 114.0 mm (4.5 in) | 46.9 mm (1.8 in) | 15 | 31 of 100 (Routine) |
| 2026-09-21 | Hamada | Record daily precipitation (provisional) | 60.5 mm (2.4 in) | 3.4 mm (0.13 in) | 69 | 28 of 100 (Routine) |
| 2026-09-21 | Shinjo | Record daily precipitation (provisional) | 230.5 mm (9.1 in) | 14.5 mm (0.6 in) | 0 | 27 of 100 (Routine) |
| 2026-09-21 | Nobeoka | Record daily precipitation (provisional) | 168.0 mm (6.6 in) | 43.5 mm (1.7 in) | 25 | 23 of 100 (Routine) |
| 2026-09-21 | Kagoshima | Record daily precipitation (provisional) | 90.0 mm (3.5 in) | 11.5 mm (0.5 in) | 43 | 23 of 100 (Routine) |
| 2026-09-21 | Toyama | Record daily precipitation (provisional) | 163.5 mm (6.4 in) | 13.6 mm (0.5 in) | 27 | 21 of 100 (Routine) |
| 2026-09-21 | Tsuyama | Record daily precipitation (provisional) | 115.0 mm (4.5 in) | 10.6 mm (0.4 in) | 27 | 19 of 100 (Routine) |
| 2026-09-21 | Fukuoka | Record daily precipitation (provisional) | 38.0 mm (1.5 in) | 2.0 mm (0.08 in) | 36 | 18 of 100 (Routine) |
| 2026-09-22 | Hita | Record daily precipitation (provisional) | 104.0 mm (4.1 in) | 63.1 mm (2.5 in) | 72 | 57 of 100 (Notable) |
| 2026-09-22 | Kofu | Record daily precipitation (provisional) | 120.5 mm (4.7 in) | 28.6 mm (1.1 in) | 15 | 23 of 100 (Routine) |
| 2026-09-22 | Tanegashima | Record daily precipitation (provisional) | 122.5 mm (4.8 in) | 23.4 mm (0.9 in) | 33 | 23 of 100 (Routine) |
| 2026-09-23 | Kagoshima | Record daily precipitation (provisional) | 172.5 mm (6.8 in) | 102.0 mm (4.0 in) | 57 | 61 of 100 (Major) |
| 2026-09-23 | Mito | Record daily precipitation (provisional) | 287.0 mm (11.3 in) | 43.0 mm (1.7 in) | 40 | 58 of 100 (Notable) |
| 2026-09-23 | Wakamatsu | Record daily precipitation (provisional) | 87.0 mm (3.4 in) | 36.5 mm (1.4 in) | 56 | 49 of 100 (Notable) |
| 2026-09-23 | Shinjo | Record daily precipitation (provisional) | 66.5 mm (2.6 in) | 38.6 mm (1.5 in) | 20 | 42 of 100 (Notable) |
| 2026-09-23 | Ueno | Record daily precipitation (provisional) | 142.5 mm (5.6 in) | 83.6 mm (3.3 in) | 4 | 41 of 100 (Notable) |
| 2026-09-23 | Fukushima Arpt | Record daily precipitation (provisional) | 71.5 mm (2.8 in) | 28.5 mm (1.1 in) | 56 | 40 of 100 (Notable) |
| 2026-09-23 | Tanegashima | Record daily precipitation (provisional) | 145.5 mm (5.7 in) | 49.5 mm (1.9 in) | 39 | 32 of 100 (Routine) |
| 2026-09-23 | Yamaguchi | Record daily precipitation (provisional) | 70.0 mm (2.8 in) | 9.0 mm (0.35 in) | 31 | 18 of 100 (Routine) |
| 2026-09-23 | Miyakonojo | Record daily precipitation (provisional) | 66.5 mm (2.6 in) | 12.4 mm (0.5 in) | 27 | 18 of 100 (Routine) |