| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-09-01 | 阴 | 27°/22° | 0.0 mm |
| 2026-09-02 | 小毛毛雨 | 31°/23° | 0.5 mm |
| 2026-09-03 | 雷阵雨 | 33°/24° | 5.0 mm |
| 2026-09-04 | 中雨 | 27°/21° | 7.6 mm |
| 2026-09-05 | 中雨 | 25°/20° | 15.7 mm |
| 2026-09-06 | 中阵雨 | 22°/20° | 20.6 mm |
| 2026-09-07 | 强阵雨 | 24°/22° | 178.6 mm |
| 2026-09-08 | 毛毛雨 | 29°/21° | 2.5 mm |
| 2026-09-09 | 雷阵雨 | 31°/20° | 19.6 mm |
| 2026-09-10 | 中雨 | 20°/19° | 7.1 mm |
| 2026-09-11 | 中雨 | 20°/18° | 24.8 mm |
| 2026-09-12 | 毛毛雨 | 21°/19° | 1.1 mm |
| 2026-09-13 | 小毛毛雨 | 26°/20° | 0.2 mm |
| 2026-09-14 | 小毛毛雨 | 31°/22° | 0.1 mm |
| 2026-09-15 | 中阵雨 | 25°/20° | 18.0 mm |
| 2026-09-16 | 中阵雨 | 21°/19° | 40.9 mm |
| 2026-09-17 | 中阵雨 | 24°/18° | 11.0 mm |
| 2026-09-18 | 阴 | 25°/18° | 0.0 mm |
| 2026-09-19 | 小毛毛雨 | 26°/20° | 1.5 mm |
| 2026-09-20 | 强阵雨 | 22°/21° | 31.3 mm |
| 2026-09-21 | 强阵雨 | 23°/21° | 53.3 mm |
| 2026-09-22 | 阴 | 29°/22° | 0.0 mm |
| 2026-09-23 | 小毛毛雨 | 23°/19° | 0.7 mm |
| 2026-09-24 | 小毛毛雨 | 29°/20° | 0.9 mm |
| 2026-09-25 | 毛毛雨 | 27°/20° | 2.2 mm |
| 2026-09-26 | 中阵雨 | 20°/16° | 31.4 mm |
| 2026-09-27 | 小毛毛雨 | 24°/18° | 0.7 mm |
| 2026-09-28 | 中阵雨 | 22°/20° | 10.0 mm |
| 2026-09-29 | 阵雨 | 21°/17° | 22.4 mm |
| 2026-09-30 | 毛毛雨 | 22°/17° | 2.2 mm |
2026年09月筑波市共记录 30 天，平均最高 25℃、最低 19℃，降水日 27 天。