Temperature
Warm by day, mild at night.
83°Ftypical September high
Typical range
Warm days and plenty of sun.

Warm by day, mild at night.
Several rainy days. About 10 wet days this month.
A mix of sunshine and cloud.
Warm days, with humid periods.
In September, afternoons feel about 85° and nights feel near 76°.
Partly cloudy skies this month.
Calm winds are typical in September.
September late afternoons are around 81°F, easing to about 77°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 47 | 35 | 3.1 | 10 | 6.3 | 74 |
| Feb | 51 | 38 | 3.1 | 10 | 6.4 | 74 |
| Mar | 58 | 45 | 4.8 | 13 | 6.8 | 73 |
| Apr | 69 | 55 | 5.1 | 11 | 7.8 | 72 |
| May | 78 | 64 | 6.0 | 12 | 8.5 | 74 |
| Jun | 83 | 72 | 11.5 | 16 | 7.8 | 81 |
| Jul | 91 | 79 | 6.7 | 14 | 9.7 | 77 |
| Aug | 90 | 79 | 6.4 | 15 | 9.7 | 77 |
| Sep | 83 | 71 | 4.0 | 10 | 8.6 | 78 |
| Oct | 74 | 61 | 2.3 | 6 | 8.1 | 74 |
| Nov | 63 | 50 | 2.5 | 8 | 6.8 | 74 |
| Dec | 52 | 38 | 2.2 | 7 | 6.9 | 72 |
Similar climates
Want a side-by-side climate view? Compare Jiaxing with Tokyo.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 26, 2026
Data & methodology