Monthly climate guide
Wuxi weather in September
September in Wuxi is typically hot, with average daytime highs around 28°C (82°F) and night-time lows near 21°C (69°F). The month usually brings about 137 mm of rain (wet) and is often cloudy. Daytime highs are 4°C cooler than August and 5°C warmer than October.
What stands out in September
- It cools down fast from here: October is about 5°C cooler.
- Just 500 km apart, but Wuxi runs about 3°C warmer than Qingdao this month.
- In Wuxi, September is early autumn.
- Humidity near 79% makes 28°C feel stickier than it sounds.
Avg high
28°C
82°F
Avg low
21°C
69°F
Rainfall
137 mm
wet
Humidity
79%
relative
Sky
66%
cloud · often cloudy
Wuxi weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 7°C / 45°F | 0°C / 32°F | 57 mm | 79% | 67% |
| February | 10°C / 49°F | 1°C / 35°F | 69 mm | 79% | 69% |
| March | 15°C / 59°F | 6°C / 42°F | 77 mm | 77% | 68% |
| April | 21°C / 71°F | 12°C / 53°F | 101 mm | 74% | 65% |
| May | 27°C / 80°F | 18°C / 64°F | 101 mm | 72% | 72% |
| June | 29°C / 85°F | 22°C / 71°F | 217 mm | 78% | 83% |
| July | 32°C / 89°F | 26°C / 78°F | 214 mm | 80% | 72% |
| August | 32°C / 89°F | 26°C / 78°F | 183 mm | 80% | 68% |
| September | 28°C / 82°F | 21°C / 69°F | 137 mm | 79% | 66% |
| October | 23°C / 73°F | 14°C / 58°F | 83 mm | 77% | 58% |
| November | 17°C / 62°F | 9°C / 47°F | 69 mm | 79% | 60% |
| December | 10°C / 49°F | 1°C / 35°F | 45 mm | 77% | 56% |
What to pack for September
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A compact umbrella or packable rain jacket
- Water-resistant shoes
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is September a good time to visit Wuxi?
Compare the months in the chart above to find your ideal window.
Best time to visit Wuxi →Other China cities in September
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Wuxi weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/china/wuxi/september
<a href="https://weathercompare.eu/weather/china/wuxi/september">Wuxi weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/china/wuxi" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Wuxi weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/china/wuxi/september">Wuxi weather in September</a> – WeatherCompare</p>
Wuxi in September: quick answers
Is September a good time to visit Wuxi?
September is one of the wetter months in Wuxi, with about 137 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Wuxi in September?
Average highs are about 28°C (82°F) and average lows about 21°C (69°F), based on 10 years of daily data.
Does it rain a lot in Wuxi in September?
Wuxi typically gets around 137 mm of rain in September — wet.
Figures are long-term averages for the area around Wuxi (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.