WanderWhen

Wuxi weather in September

September is a good month to visit Wuxi. Expect highs around 28°C, lows near 21°C, and about 10 days with rain.

7.6 · Goodtravel score for September
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg high
28°C
Avg low
21°C
Rainfall
119 mm
Rain days
10
Sunshine
8.4 h/day
Daylight
12.2 h

What to pack for Wuxi in September

  • light, breathable clothing
  • sun protection (hat, SPF 50)
  • a compact umbrella or rain shell — rain is frequent
  • expect humid, sticky conditions

Humidity averages 80%; max daily wind around 16 km/h.

How September compares

January: 4.0/10 JFebruary: 4.4/10 FMarch: 8.3/10 MApril: 9.1/10 AMay: 8.9/10 MJune: 5.6/10 JJuly: 3.4/10 JAugust: 3.6/10 ASeptember: 7.6/10 SOctober: 9.5/10 ONovember: 9.3/10 NDecember: 5.6/10 D

Best months in Wuxi: April–May & October–November. See the full best time to visit Wuxi guide.

Wuxi in September: the details

In September, Wuxi sees average daytime highs of 28°C (83°F) and overnight lows of 21°C (70°F). Rainfall totals roughly 119 mm across 10 rainy days, and the sun shines about 8.4 hours per day with 12.2 hours of daylight mid-month. Relative humidity averages 80%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Wuxi, China (31.57, 120.29) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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