Chongqing weather in September
September is a fair month to visit Chongqing: highs of 29°C (83°F) and about 140 mm (5.5 in) of rain on average. Nights average 19°C (67°F) and cloud cover 77% (NASA POWER, 2001–2025 averages). It is the 4th wettest month of the year and the 4th warmest. Compared with August, it is cooler and about as wet; October brings highs of 23°C (73°F) and 98 mm (3.9 in) of rain.
Figures are long-term averages for Chongqing, the largest city in Chongqing. See below for other places.
Is September a good time to visit Chongqing?
fair month Weather score 61/100.
September is a fair month in Chongqing. The weather is usually best in Mar–Apr, Oct–Nov.
Does it rain a lot in Chongqing in September?
Some rain is normal: about 140 mm (5.5 in) falls in an average September. It is the 4th wettest month of the year.
How warm is Chongqing in September?
Days average 29°C (83°F) and nights 19°C (67°F).
Chongqing weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 11°C (52°F) | 2°C (35°F) | 22 mm | 86% | least pleasant |
| February | 14°C (58°F) | 4°C (40°F) | 21 mm | 85% | fair |
| March | 20°C (67°F) | 9°C (48°F) | 54 mm | 82% | best |
| April | 25°C (77°F) | 14°C (57°F) | 97 mm | 80% | best |
| May | 28°C (82°F) | 18°C (64°F) | 133 mm | 82% | fair |
| June | 30°C (86°F) | 21°C (70°F) | 205 mm | 83% | least pleasant |
| July | 33°C (91°F) | 24°C (75°F) | 164 mm | 75% | least pleasant |
| August | 33°C (91°F) | 23°C (74°F) | 143 mm | 69% | least pleasant |
| September | 29°C (83°F) | 19°C (67°F) | 140 mm | 77% | fair |
| October | 23°C (73°F) | 15°C (58°F) | 98 mm | 84% | best |
| November | 18°C (64°F) | 9°C (48°F) | 45 mm | 82% | best |
| December | 12°C (53°F) | 3°C (38°F) | 21 mm | 86% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Chongqing in September
Weather can differ a lot within Chongqing: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Chongqing | 29°C (83°F) | 19°C (67°F) | 140 mm | fair |
| Wanzhou | 26°C (80°F) | 18°C (64°F) | 170 mm | fair |
| Wanxian | 26°C (80°F) | 18°C (64°F) | 170 mm | fair |
| Banan | 29°C (83°F) | 19°C (67°F) | 140 mm | fair |
| Hechuan | 28°C (83°F) | 19°C (66°F) | 140 mm | fair |
| Fuling | 25°C (77°F) | 17°C (62°F) | 144 mm | best |
| Beibei | 28°C (83°F) | 19°C (66°F) | 140 mm | fair |
| Zitong | 28°C (83°F) | 19°C (66°F) | 138 mm | fair |
| Bachuan | 28°C (83°F) | 19°C (66°F) | 140 mm | fair |
| Gunan | 26°C (79°F) | 17°C (63°F) | 138 mm | best |
| Nanchuan | 26°C (79°F) | 17°C (63°F) | 138 mm | best |
| Bishan | 29°C (83°F) | 19°C (67°F) | 140 mm | fair |