Jiangxi weather in September
September is one of the best months to visit Jiangxi: highs of 29°C (85°F) and about 80 mm (3.1 in) of rain on average. Nights average 21°C (69°F) and cloud cover 62% (NASA POWER, 2001–2025 averages). It is the 4th driest month of the year and the 4th warmest. Compared with August, it is cooler and drier; October brings highs of 25°C (77°F) and 54 mm (2.1 in) of rain.
Figures are long-term averages for Nanchang, the largest city in Jiangxi. See below for other places.
Is September a good time to visit Jiangxi?
best month Weather score 74/100.
Yes. September is one of the best months for weather in Jiangxi.
Does it rain a lot in Jiangxi in September?
Some rain is normal: about 80 mm (3.1 in) falls in an average September. It is the 4th driest month of the year.
How warm is Jiangxi in September?
Days average 29°C (85°F) and nights 21°C (69°F).
Jiangxi weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 10°C (51°F) | 1°C (33°F) | 75 mm | 72% | least pleasant |
| February | 14°C (56°F) | 3°C (38°F) | 105 mm | 75% | fair |
| March | 18°C (64°F) | 8°C (46°F) | 176 mm | 76% | fair |
| April | 23°C (74°F) | 13°C (56°F) | 210 mm | 76% | fair |
| May | 27°C (81°F) | 19°C (65°F) | 219 mm | 78% | fair |
| June | 30°C (85°F) | 22°C (72°F) | 323 mm | 83% | least pleasant |
| July | 32°C (89°F) | 25°C (77°F) | 185 mm | 72% | fair |
| August | 32°C (89°F) | 25°C (76°F) | 113 mm | 68% | fair |
| September | 29°C (85°F) | 21°C (69°F) | 80 mm | 62% | best |
| October | 25°C (77°F) | 14°C (58°F) | 54 mm | 58% | best |
| November | 19°C (66°F) | 8°C (47°F) | 99 mm | 60% | best |
| December | 12°C (54°F) | 2°C (35°F) | 60 mm | 60% | fair |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Jiangxi in September
Weather can differ a lot within Jiangxi: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Nanchang | 29°C (85°F) | 21°C (69°F) | 80 mm | best |
| Ganzhou | 29°C (84°F) | 20°C (68°F) | 87 mm | best |
| Jiujiang | 28°C (83°F) | 21°C (69°F) | 116 mm | best |
| Shangrao | 28°C (83°F) | 19°C (67°F) | 98 mm | best |
| Fuzhou | 30°C (85°F) | 21°C (69°F) | 85 mm | best |
| Yichun | 28°C (83°F) | 20°C (67°F) | 89 mm | best |
| Pingxiang | 28°C (83°F) | 19°C (67°F) | 98 mm | best |
| Xinyu | 29°C (84°F) | 20°C (68°F) | 85 mm | best |
| Ji’an | 29°C (84°F) | 20°C (68°F) | 89 mm | best |
| Jingdezhen | 28°C (82°F) | 19°C (66°F) | 95 mm | best |
| Pengze | 28°C (83°F) | 21°C (69°F) | 119 mm | best |
| Yingtan | 29°C (85°F) | 20°C (68°F) | 97 mm | best |