Changzhou
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Changzhou Weather in September

Thinking of visiting Changzhou in September? Expect high temperatures reaching 29°C (84°F) during the day, dropping to 21°C (70°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Changzhou in September

The climate data from previous years indicates about 13 days of rain, averaging 89 mm (3.5 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Changzhou in September

Changzhou in September is worth a visit. The temperature is excellent, with 29°C (84°F) during the day and 21°C (70°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

Sunshine in Changzhou in September

With about 155 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

Changzhou Temperature in September

Min Temperature
21°C (70°F)
Max Temperature
29°C (84°F)
Chance of Rain
42%
Precipitation
89 mm (3.5 in)
Rainy days
13 days
Humidity
75% *
Sunshine
155 hours *
Percentage Sunshine
*
* Data from: Zhangjiagang, China (54 KM, 34 Miles).

Changzhou Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Changzhou - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Changzhou typically drop from around 30°C (86°F) at the start of September to approximately 26°C (79°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 Changzhou in September

Browse day-by-day weather records for Changzhou spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Changzhou historical weather extremes in September

Based on 26 years of weather observations (2000-2026), these are the most extreme conditions recorded in Changzhou.

  • On September 1, 2024, temperatures climbed to 38°C (100°F), marking the warmest September day on record.
  • On September 20, 2011, Changzhou saw its coldest September day with temperatures maxing out at 19°C (66°F).
  • The lowest overnight temperature recorded in September was 12°C (54°F) (September 30, 2012).

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 Changzhou in September

Warm but pleasant conditions in Changzhou in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Changzhou in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    7/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    8/10
  • Outdoor sports
    7/10

Changzhou 3-Day Forecast

More climate data for Changzhou

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.