Dalian weather in September
September is one of the best months to visit Dalian: highs of 23°C (74°F) and about 54 mm (2.1 in) of rain on average. Nights average 20°C (67°F) and cloud cover 51% (NASA POWER, 2001–2025 averages). It is the 5th wettest month of the year and the 3rd warmest. Compared with August, it is cooler and drier; October brings highs of 17°C (63°F) and 42 mm (1.7 in) of rain.
Is September a good time to visit Dalian?
best month Weather score 81/100.
Yes. September is one of the best months for weather in Dalian.
Advertisement
Does it rain a lot in Dalian in September?
No, it is usually dry: about 54 mm (2.1 in) falls in an average September. It is the 5th wettest month of the year.
How warm is Dalian in September?
Days average 23°C (74°F) and nights 20°C (67°F).
Dalian weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 0°C (32°F) | -4°C (25°F) | 6 mm | 52% | least pleasant |
| February | 1°C (34°F) | -3°C (27°F) | 12 mm | 52% | least pleasant |
| March | 5°C (42°F) | 1°C (34°F) | 12 mm | 47% | least pleasant |
| April | 11°C (52°F) | 6°C (43°F) | 43 mm | 52% | least pleasant |
| May | 17°C (62°F) | 12°C (54°F) | 62 mm | 56% | fair |
| June | 22°C (71°F) | 18°C (64°F) | 78 mm | 64% | best |
| July | 25°C (77°F) | 22°C (72°F) | 144 mm | 66% | fair |
| August | 26°C (80°F) | 23°C (74°F) | 170 mm | 58% | fair |
| September | 23°C (74°F) | 20°C (67°F) | 54 mm | 51% | best |
| October | 17°C (63°F) | 13°C (56°F) | 42 mm | 46% | best |
| November | 10°C (50°F) | 6°C (42°F) | 35 mm | 52% | least pleasant |
| December | 3°C (37°F) | -1°C (30°F) | 11 mm | 56% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Advertisement