The Li River: A Journey Through China’s Most Breathtaking Landscape
Explore the Li River, China's breathtaking landscape with majestic mountains, serene waters, and picturesque views. A must-see for every traveler.
Wuxi Weather in September
Wuxi in September sees high daytime temperatures of 29°C (84°F) and nighttime lows of 22°C (72°F). Rainfall is fairly high this month at around 95 mm (3.7 in), so pack a rain jacket to stay dry.
Rainfall in Wuxi in September
Historically, the month has about 13 days of rain, averaging 95 mm (3.7 in) in total. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Wuxi in September
September is one of the better months to visit Wuxi. Expect 29°C (84°F) during the day and 22°C (72°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 22°C (72°F), evenings stay pleasantly warm.
Sunshine in Wuxi in September
You can expect a moderate amount of sunlight, with approximately 172 hours. This means a pleasant mix of sun and overcast.If your ideal day consists of dry skies and pleasant temperatures, September and October typically offer the best circumstances for Wuxi.
Wuxi Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
29°C (84°F)
Chance of Rain
43%
Precipitation
95 mm (3.7 in)
Rainy days
13 days
Humidity
74% *
Sunshine
172 hours *
Percentage Sunshine
*
* Data from: Suzhou, China (39 KM, 24 Miles).
Wuxi Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Wuxi - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Wuxi typically drop from around 29°C (84°F) at the start of September to approximately 25°C (77°F) by the end. Nights are warm, with lows typically ranging from 18°C (64°F) to 23°C (73°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Wuxi in September
Browse day-by-day weather records for Wuxi spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Wuxi historical weather extremes in September
Based on 50 years of weather observations in Wuxi between 1976 and 2026, these are the recorded extremes.
- The hottest September day on record in Wuxi reached 38°C (100°F) (September 1, 2024).
- The lowest daytime temperature in September was 16°C (61°F), recorded on September 28, 1982.
- The coldest night in September in Wuxi was on September 27, 1987, with a minimum of 11°C (52°F).
Best Places in China in September
Find out more about the weather in China and which places have the best travel conditions in this month. See all of China in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Wuxi in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Wuxi in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Wuxi 3-Day Forecast
More climate data for Wuxi
Temperature Rainfall Sunshine Humidity
See the full Wuxi climate overview or explore weather in China.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The Li River: A Journey Through China’s Most Breathtaking Landscape
Go to China's Zhangjiajie National Park with the highest, the fastest, largest-loaded outdoor elevator in the world
You won't find this unique landscape anywhere else in the world. Thousands of floating mountains overgrown with trees at the top dominate this fairy tale landscape.
Go to Xinjiang in China
In Xinjiang you get to see a mix of East and Central Asia. An experience that you might want to add to your bucket list. You can travel through the province as if you are following an ancient silk route.
Mount Kailash
The best time for a Kailash tour/trekking is from mid-May to mid-October when the temperature is most pleasant. It is warm, dry and sunny in that period.