WanderWhen

Dalian weather in September

September is one of the best months to visit Dalian. Expect highs around 24°C, lows near 18°C, and about 7 days with rain.

9.9 · Excellenttravel score for September
Avg high
24°C
Avg low
18°C
Rainfall
92 mm
Rain days
7
Sunshine
9.6 h/day
Daylight
12.2 h

What to pack for Dalian in September

  • t-shirts and light layers
  • a light jacket for evenings
  • a packable rain layer

Humidity averages 76%; max daily wind around 20 km/h.

Dalian in September: the details

In September, Dalian sees average daytime highs of 24°C (76°F) and overnight lows of 18°C (65°F). Rainfall totals roughly 92 mm across 7 rainy days, and the sun shines about 9.6 hours per day with 12.2 hours of daylight mid-month. Relative humidity averages 76%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Dalian, China (38.91, 121.6) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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