Shanghai · Month comparison
September vs October
October ranks #1 overall vs September at #5. Single best month — clear 23C days, plane trees gold, Golden Week (Oct 1-7) chaos then peace, F1 and Shanghai Art Week.
September
#5 of 12 months
Best match
Humidity easing into autumn — 28C, less typhoon risk after mid-month, Mid-Autumn Festival mooncakes, the city catches its breath before Golden Week.
- ↑Mid-Autumn Festival mooncake season at every cafe and bakery
- ↑Humidity drops 10% from August — outdoor walking returning to comfortable
October
#1 of 12 months
Best match
Single best month — clear 23C days, plane trees gold, Golden Week (Oct 1-7) chaos then peace, F1 and Shanghai Art Week.
- ↑Golden Week (Oct 1-7) excepted, the most reliably clear and pleasant week of the year
- ↑F1 Shanghai Grand Prix and Shanghai Art Week (10 days late October)
| Factor | September | October |
|---|---|---|
| Weather score | 7 | 9 |
| Value score | 5 | 3 |
| Crowd score | 5 | 3 |
| Events score | 6 | 7 |
| Atmosphere | 8 | 10 |
| Avg high temp | 28°C | 23°C |
| Monthly rain | 130mm | 65mm |
| Daily sunshine | 6hrs | 6hrs |
September trade-offs
- ↓Late typhoon (Sep) can still disrupt 1-2 weekends
- ↓Plum-rain tail showers persist
- ↓Mooncake gift-pricing for premium pastries (CNY 200+/box)
October trade-offs
- ↓Golden Week (Oct 1-7): every Chinese tourist in Shanghai, transport overwhelmed
- ↓Hotel rates back at spring peak — F1 weekend adds another 30%
- ↓F1 and Art Week double-book the entire city in late October
Scores compare months within Shanghai. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →