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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Wuxi's climate page.
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
*
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 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 49 years of weather observations in Wuxi between 1976 and 2025, 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
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unpleasant
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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 monthWhat To Do in Wuxi in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Wuxi's climate page.
Temperature Rainfall Sunshine Humidity
See the full Wuxi climate overview or explore weather in China.
