September · China
Best time to visit Shanghai in September Weather, crowds & prices
Weather in Shanghai in September
Average temperature 26°C, 196 mm of rain, about 13 days with 6+ hours of sunshine and 80% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
4.1/10
Ranked #11 of 12 months
- Avg temp
- 26°C
- Rainfall
- 196 mm
- Humidity
- 80%
- Days with 6h+ sun
- 13
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Shanghai scores 4.1/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 26°C, 196 mm of rain, and roughly 13 days with 6+ hours of sunshine this month.
Bund nights, gardens, and riverfront walks thrive in late spring through early autumn.
September in Shanghai: expect compromises
Days in September average 26°C (80°F) and humidity near 80% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
196 mm of rain signals a properly wet month, with only about 13 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 4.1/10 on the same scale — 11th of 12 months, versus 7.9/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, May is materially better in Shanghai — 3.8 points higher on the same scale.
Frequently asked
- What is the weather like in Shanghai in September?
- In September, Shanghai averages 26°C, 196 mm of rain, and about 13 days with 6+ hours of sunshine. Its climate-comfort score is 4.1/10.
- Is September a good time to visit Shanghai?
- September earns a 4.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Shanghai in September?
- Expect about 196 mm of rain in September. Average humidity is 80% and there are about 13 days with 6+ hours of sunshine.
Curated in Shanghai
Tickets & experiences
Things to do in Shanghai
Shanghai, China. Live activities and tours from GetYourGuide, matched to this destination.

