Climate guide for Shanghai, China

Shanghai in September

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

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

Full year for Shanghai
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.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

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.