| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 小毛毛雨 | 32°/24° | 0.5 mm |
| 2026-09-02 | 小毛毛雨 | 33°/25° | 0.6 mm |
| 2026-09-03 | 中阵雨 | 27°/25° | 12.4 mm |
| 2026-09-04 | 强阵雨 | 26°/22° | 63.5 mm |
| 2026-09-05 | 大毛毛雨 | 27°/21° | 5.2 mm |
| 2026-09-06 | 中阵雨 | 27°/24° | 10.4 mm |
| 2026-09-07 | 小毛毛雨 | 28°/26° | 0.3 mm |
| 2026-09-08 | 小毛毛雨 | 29°/25° | 0.3 mm |
| 2026-09-09 | 小毛毛雨 | 28°/25° | 0.2 mm |
| 2026-09-10 | 小毛毛雨 | 26°/24° | 0.6 mm |
| 2026-09-11 | 阴 | 28°/24° | 0.0 mm |
| 2026-09-12 | 大毛毛雨 | 30°/24° | 3.7 mm |
| 2026-09-13 | 雷阵雨 | 30°/25° | 8.8 mm |
| 2026-09-14 | 雷阵雨 | 28°/23° | 10.9 mm |
| 2026-09-15 | 阴 | 28°/23° | 0.0 mm |
| 2026-09-16 | 小毛毛雨 | 28°/24° | 0.1 mm |
| 2026-09-17 | 中阵雨 | 28°/23° | 20.2 mm |
| 2026-09-18 | 阵雨 | 26°/23° | 5.8 mm |
| 2026-09-19 | 阵雨 | 28°/23° | 7.8 mm |
| 2026-09-20 | 阴 | 29°/24° | 0.0 mm |
| 2026-09-21 | 阴 | 27°/23° | 0.0 mm |
| 2026-09-22 | 晴间多云 | 28°/22° | 0.0 mm |
| 2026-09-23 | 晴间多云 | 29°/22° | 0.0 mm |
| 2026-09-24 | 阴 | 28°/22° | 0.0 mm |
| 2026-09-25 | 阴 | 28°/21° | 0.0 mm |
| 2026-09-26 | 雷阵雨 | 27°/23° | 11.6 mm |
| 2026-09-27 | 雷阵雨 | 27°/24° | 14.3 mm |
| 2026-09-28 | 阵雨 | 27°/22° | 7.4 mm |
| 2026-09-29 | 阵雨 | 23°/22° | 6.6 mm |
| 2026-09-30 | 晴天 | 27°/22° | 0.0 mm |
2026年09月长岛町共记录 30 天，平均最高 27℃、最低 23℃，降水日 21 天。