September · China
Best time to visit Suzhou in September Weather, crowds & prices
Weather in Suzhou in September
Average temperature 26°C, 172 mm of rain, about 12 days with 6+ hours of sunshine and 81% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
4.6/10
Ranked #10 of 12 months
- Avg temp
- 26°C
- Rainfall
- 172 mm
- Humidity
- 81%
- Days with 6h+ sun
- 12
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Suzhou scores 4.6/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 26°C, 172 mm of rain, and roughly 12 days with 6+ hours of sunshine this month.
Suzhou's classical gardens, canals and silk workshops inspired the saying, paradise on earth.
September in Suzhou: expect compromises
September averages 26°C (78°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
At 172 mm this is a genuinely wet month: about 12 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 4.6/10 here, 10th of 12 months, against 8.2/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Figure on low-season pricing, with crowds are light for this destination.
Flexible dates? May scores 3.6 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Suzhou in September?
- In September, Suzhou averages 26°C, 172 mm of rain, and about 12 days with 6+ hours of sunshine. Its climate-comfort score is 4.6/10.
- Is September a good time to visit Suzhou?
- September earns a 4.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Suzhou in September?
- Expect about 172 mm of rain in September. Average humidity is 81% and there are about 12 days with 6+ hours of sunshine.
Curated in Suzhou
Tickets & experiences
Things to do in Suzhou
Suzhou, China. Live activities and tours from GetYourGuide, matched to this destination.