Shanghai Weather in September
27.2°C high · 20.8°C low · 128 mm rain · 7.4h sun
Sep is a warm month in Shanghai — not peak season, but a good time to avoid crowds.
September at a glance
| Metric | Value |
|---|---|
| Average high | 27.2°C |
| Average low | 20.8°C |
| Rainfall | 128 mm |
| Sunshine | 7.4 hours/day |
| Daylight | 12.2 hours |
What to pack in September
Pack comfortable clothes with a light layer for evenings, plus a raincoat and umbrella for Shanghai in September.
Shanghai weather by month
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Frequently asked questions
What is the weather in Shanghai in September?
Highs of 27.2°C and lows of 20.8°C, with about 128 mm of rain and 7.4 hours of sunshine per day.
Is September a good time to visit Shanghai?
Sep is a warm month in Shanghai — not peak season, but a good time to avoid crowds.
What to do in Shanghai · Best time to visit Shanghai
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.