Wuxi Weather in September

China · September climate averages and travel tips

Avg high28°C (83°F)
Avg low21°C (70°F)
Rainfall129 mm (5.1 in)
RatingFair 6.2/10

Wuxi in September sees daytime temperatures around 28°C (83°F), dropping to about 21°C (70°F) at night. September is autumn (fall) in China. The month is wet, with about 129 mm (5.1 in) of rain spread over 12 days. Humidity averages 79%, so it feels sticky and hotter than the thermometer suggests. You get roughly 12.2 hours of daylight and frequently cloudy skies.

Is September a good time to visit Wuxi?

September is a fair time to visit Wuxi (6.2/10) mainly because of the rain. For better weather, go in October.

Visiting Wuxi in September

September weather

September feels warm and damp in Wuxi, but it's easier going than August. Days reach 28°C and evenings stay around 21°C, yet humidity runs high and rain falls on about 12 days. Expect sticky spells and the odd shower. If you can wait, October is cooler and drier, which is why it's the best month to visit here overall.

Still, you can make September work. Spend the gaps between showers exploring Huishan Ancient Town or strolling beside Taihu Lake. When the sky clouds over, switch to indoor stops like the Wuxi Museum. Just don't plan a whole day around a long outdoor walk, since rain can derail plans and the lakefront may feel muggy.

Events and crowds

The Mid-Autumn Festival sometimes falls in September, though its date shifts each year. Families gather, and you may find mooncakes in local bakeries. If it lands during your trip, expect more visitors at popular sights and busier transport.

If crowds put you off, September is usually calmer than October, when the National Day holiday brings a major rush. Summer school holidays have also ended by then. Prices tend to feel less pressured than during that October holiday, though weekends still draw local visitors.

Food and planning in September

Travelling with kids? Keep a flexible plan with an indoor stop ready in case a shower rolls through.

For a local food break, try Wuxi-style spare ribs, known for their sweet flavour, in the city centre. Around Taihu Lake, check conditions before heading to Yuantouzhu, a peninsula park with lake views, since wet weather can spoil a long visit. So September is a fair trade-off. It's warm enough for outdoor sights without August's heat, but you'll want a backup plan for the rain.

September weather at a glance

Average high28°C (83°F)
Average low21°C (70°F)
Daily mean24°C (76°F)
Rainfall129 mm (5.1 in)
Rainy days (1 mm+)12
Humidity79%
Cloud cover64%
Daylight12.2 hours
Est. sunshine4.8 hours/day
Wind11.4 km/h
vs August4°C cooler than August, with 32 mm less rain.

What to pack for Wuxi in September

Wuxi weather in other months

Jan8°C / 0°C57 mmFairFeb10°C / 2°C77 mmFairMar15°C / 6°C82 mmGoodApr21°C / 12°C99 mmExcellentMay27°C / 17°C95 mmExcellentJun30°C / 22°C184 mmPoorJul32°C / 26°C226 mmPoorAug32°C / 26°C161 mmPoorSep28°C / 21°C129 mmFairOct23°C / 15°C72 mmExcellentNov17°C / 8°C67 mmExcellentDec10°C / 1°C36 mmFair

← AugustBest time to visit WuxiOctober →

Better weather in September nearby

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