Yancheng weather in September
September is one of the best months to visit Yancheng: highs of 27°C (81°F) and about 94 mm (3.7 in) of rain on average. Nights average 18°C (64°F) and cloud cover 65% (NASA POWER, 2001–2025 averages). It is the 4th wettest month of the year and the 5th warmest. Compared with August, it is cooler and drier; October brings highs of 22°C (72°F) and 51 mm (2.0 in) of rain.
Is September a good time to visit Yancheng?
best month Weather score 71/100.
Yes. September is one of the best months for weather in Yancheng.
Does it rain a lot in Yancheng in September?
Some rain is normal: about 94 mm (3.7 in) falls in an average September. It is the 4th wettest month of the year.
How warm is Yancheng in September?
Days average 27°C (81°F) and nights 18°C (64°F).
Yancheng weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 6°C (42°F) | -4°C (26°F) | 31 mm | 71% | least pleasant |
| February | 9°C (47°F) | -2°C (29°F) | 38 mm | 70% | least pleasant |
| March | 15°C (58°F) | 2°C (35°F) | 44 mm | 63% | fair |
| April | 21°C (70°F) | 7°C (45°F) | 52 mm | 63% | best |
| May | 27°C (81°F) | 14°C (56°F) | 76 mm | 68% | best |
| June | 30°C (87°F) | 19°C (65°F) | 134 mm | 73% | fair |
| July | 31°C (88°F) | 23°C (74°F) | 240 mm | 73% | least pleasant |
| August | 31°C (87°F) | 23°C (73°F) | 180 mm | 66% | fair |
| September | 27°C (81°F) | 18°C (64°F) | 94 mm | 65% | best |
| October | 22°C (72°F) | 11°C (52°F) | 51 mm | 60% | best |
| November | 15°C (60°F) | 5°C (40°F) | 56 mm | 64% | fair |
| December | 8°C (46°F) | -2°C (29°F) | 32 mm | 70% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months