Hangzhou weather in September
September is one of the best months to visit Hangzhou: highs of 28°C (83°F) and about 129 mm (5.1 in) of rain on average. Nights average 20°C (67°F) and cloud cover 66% (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 drier; October brings highs of 24°C (74°F) and 74 mm (2.9 in) of rain.
Is September a good time to visit Hangzhou?
best month Weather score 65/100.
Yes. September is one of the best months for weather in Hangzhou.
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Does it rain a lot in Hangzhou in September?
Some rain is normal: about 129 mm (5.1 in) falls in an average September. It is the 4th wettest month of the year.
How warm is Hangzhou in September?
Days average 28°C (83°F) and nights 20°C (67°F).
Hangzhou weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 8°C (47°F) | -1°C (30°F) | 78 mm | 67% | least pleasant |
| February | 11°C (52°F) | 1°C (34°F) | 90 mm | 69% | least pleasant |
| March | 16°C (61°F) | 5°C (40°F) | 105 mm | 68% | fair |
| April | 22°C (71°F) | 10°C (50°F) | 115 mm | 70% | best |
| May | 27°C (80°F) | 16°C (60°F) | 124 mm | 72% | best |
| June | 29°C (85°F) | 20°C (69°F) | 230 mm | 81% | least pleasant |
| July | 32°C (90°F) | 24°C (76°F) | 168 mm | 71% | fair |
| August | 32°C (90°F) | 24°C (75°F) | 177 mm | 65% | fair |
| September | 28°C (83°F) | 20°C (67°F) | 129 mm | 66% | best |
| October | 24°C (74°F) | 13°C (56°F) | 74 mm | 60% | best |
| November | 18°C (64°F) | 7°C (45°F) | 77 mm | 61% | best |
| December | 10°C (51°F) | 0°C (33°F) | 59 mm | 59% | fair |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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