Shanghai weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Shanghai September weather at a glance
In September, Shanghai averages 27.5°C, with typical highs of 31.3°C and lows of 24.8°C. The historical average is 17 wet days and 79% humidity.
Shanghai September temperature & humidity
Shanghai September rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Shanghai in September
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 17 days in the month; pack a rain jacket and water-resistant shoes.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 31.3°C
- Morning & eveningLight layer for air-conditioned rooms · average low 24.8°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Shanghai September sunrise & sunset times
2026 September · Local time (Asia/Shanghai)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 05:30 | 18:18 | 12h 48m |
| 2026-09-15 | 05:38 | 18:00 | 12h 22m |
| 2026-09-30 | 05:47 | 17:41 | 11h 54m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Shanghai
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Shanghai weather like in September?
In September, Shanghai averages 27.5°C, with typical highs of 31.3°C and lows of 24.8°C. The historical average is 17 wet days and 79% humidity. Our weather-comfort rating for this month is challenging.
Does it rain a lot in Shanghai in September?
There are about 17 wet days in September. Pack a rain jacket and water-resistant shoes.
What should I wear in Shanghai in September?
Expect intense heat. Pack lightweight quick-dry clothing, sun protection and a refillable bottle. Rain is frequent at roughly 17 days in the month; pack a rain jacket and water-resistant shoes.
What are the best months to visit Shanghai?
Recent weather data rates January, March, April, May among the more comfortable months.
Where can I check Shanghai weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Shanghai in September?
On 2026-09-15, calculated sunrise is 05:38 and sunset is 18:00 in local time (Asia/Shanghai). Times vary by date and terrain.
Shanghai weather by month
More Greater China destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations