Beijing weather in September
September is one of the best months to visit Beijing: highs of 26°C (79°F) and about 64 mm (2.5 in) of rain on average. Nights average 13°C (56°F) and cloud cover 54% (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 19°C (66°F) and 30 mm (1.2 in) of rain.
Figures are long-term averages for Beijing, the largest city in Beijing. See below for other places.
Is September a good time to visit Beijing?
best month Weather score 79/100.
Yes. September is one of the best months for weather in Beijing.
Does it rain a lot in Beijing in September?
Some rain is normal: about 64 mm (2.5 in) falls in an average September. It is the 4th wettest month of the year.
How warm is Beijing in September?
Days average 26°C (79°F) and nights 13°C (56°F).
Beijing weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 1°C (33°F) | -11°C (12°F) | 2 mm | 45% | least pleasant |
| February | 4°C (40°F) | -8°C (18°F) | 6 mm | 49% | least pleasant |
| March | 13°C (55°F) | -2°C (28°F) | 9 mm | 44% | fair |
| April | 22°C (71°F) | 5°C (41°F) | 24 mm | 52% | best |
| May | 29°C (83°F) | 12°C (54°F) | 38 mm | 56% | best |
| June | 32°C (89°F) | 18°C (64°F) | 84 mm | 66% | fair |
| July | 32°C (90°F) | 21°C (69°F) | 151 mm | 68% | least pleasant |
| August | 31°C (87°F) | 19°C (67°F) | 109 mm | 63% | fair |
| September | 26°C (79°F) | 13°C (56°F) | 64 mm | 54% | best |
| October | 19°C (66°F) | 5°C (41°F) | 30 mm | 44% | best |
| November | 9°C (48°F) | -3°C (26°F) | 14 mm | 41% | least pleasant |
| December | 1°C (35°F) | -9°C (15°F) | 2 mm | 40% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Beijing in September
Weather can differ a lot within Beijing: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Beijing | 26°C (79°F) | 13°C (56°F) | 64 mm | best |
| Mentougou | 26°C (79°F) | 13°C (56°F) | 64 mm | best |
| Tongzhou | 27°C (80°F) | 14°C (57°F) | 64 mm | best |
| Shunyi | 27°C (80°F) | 14°C (57°F) | 64 mm | best |
| Daxing | 27°C (81°F) | 15°C (58°F) | 59 mm | best |
| Fangshan | 27°C (81°F) | 15°C (58°F) | 59 mm | best |
| Changping | 26°C (79°F) | 13°C (56°F) | 64 mm | best |
| Liangxiang | 27°C (81°F) | 15°C (58°F) | 59 mm | best |