September · China
Best time to visit Chengdu in September Weather, crowds & prices
Weather in Chengdu in September
Average temperature 24°C, 130 mm of rain, about 20 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
6.4/10
Ranked #9 of 12 months
- Avg temp
- 24°C
- Rainfall
- 130 mm
- Humidity
- 79%
- Days with 6h+ sun
- 20
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Chengdu scores 6.4/10 for sightseeing and cultural travel - ranked #9 of 12. Expect around 24°C, 130 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.
Teahouses, pandas, and a stubbornly slow pace define Chengdu, the capital of Sichuan cuisine.
September in Chengdu — middling scores, decent value
September averages 24°C (75°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Monthly rainfall reaches 130 mm — wet for this destination — but about 20 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 6.4/10 here, 9th of 12 months, against 8.8/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Plan for mid-season pricing, with crowds are moderate.
Flexible dates? March scores 2.4 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Chengdu in September?
- In September, Chengdu averages 24°C, 130 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 6.4/10.
- Is September a good time to visit Chengdu?
- September earns a 6.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Chengdu in September?
- Expect about 130 mm of rain in September. Average humidity is 79% and there are about 20 days with 6+ hours of sunshine.
Curated in Chengdu
Tickets & experiences
Things to do in Chengdu
Chengdu, China. Live activities and tours from GetYourGuide, matched to this destination.