Chengdu · AutumnMonth summary
Chengdu weather in September
✅ Good
🌡️ Temperature min / max
20°C – 26°C
🌧 Rainy days
52% of days
☀️ Sunshine
6.8h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.2/10
📅 📅 Best month
May (7.6/10)
Quick decision
Should you visit Chengdu in September?
✅ Good
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: Chengdu in September: 26°C and 6.8h of sunshine. Decent, but not the peak.
By trip type
Chengdu in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
🎯 Harvest season — fresh local produce at markets and restaurants Autumn in Chengdu is often underrated: 26°C, golden light and declining crowds. An interesting window. With 52% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. May (7.6/10) is significantly better if possible.
Browse by month
All months for Chengdu
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | 4°C | 11°C | 17% | 0.5 | 5.4h | 5.2/10 |
| ⛅ February | 5°C | 12°C | 26% | 0.8 | 5.7h | 5.1/10 |
| ⛅ March | 10°C | 18°C | 36% | 1.3 | 5.9h | 7.0/10 |
| 🌦️ April | 14°C | 24°C | 43% | 2.8 | 7.4h | 7.3/10 |
| 🌤️ May | 18°C | 27°C | 41% | 3.1 | 8.0h | 7.6/10 |
| 🌤️ June | 21°C | 30°C | 44% | 3.9 | 8.3h | 7.3/10 |
| ⛅ July | 23°C | 31°C | 66% | 9.6 | 9.3h | 7.0/10 |
| ⛅ August | 23°C | 31°C | 63% | 8.7 | 10.2h | 7.1/10 |
| 🌦️ September | 20°C | 26°C | 52% | 3.9 | 6.8h | 7.2/10 |
| 🌦️ October | 15°C | 21°C | 44% | 1.8 | 4.2h | 7.0/10 |
| ⛅ November | 10°C | 16°C | 17% | 0.6 | 5.4h | 7.0/10 |
| ⛅ December | 5°C | 12°C | 16% | 0.5 | 5.3h | 5.5/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Chengdu averages 26°C, 52% rainy days and 6.8h of sunshine per day. Overall weather score: 7.2/10.
See methodology →
Comparison
September vs May (best month)
The best month is May (score 7.6/10). Difference:
- 🌡️ Max temperature : +1°C
- 🌧 Rainy days : -11%
- ☀️ Sunshine : +1.2h/day
FAQ
FAQ — Chengdu in September
Is September a good time to visit Chengdu?
September is an acceptable time for Chengdu (score 7.2/10). Conditions are decent but not optimal — consider May (7.6/10) if possible.
Does it rain a lot in Chengdu in September?
Yes, 52% of days see rain in September. Plan some indoor activities as backup.
Accommodation
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Activities and tours in Chengdu
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