Xi'an · AutumnMonth summary
Xi'an weather in September
✅ Good
🌡️ Temperature min / max
17°C – 26°C
🌧 Rainy days
36% of days
☀️ Sunshine
9.3h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.7/10
📅 📅 Best month
May (8.6/10)
Quick decision
Should you visit Xi'an in September?
✅ Good
✅ Yes if: you want shoulder-season value — fewer crowds, 26°C.
❌ No if: you need maximum sunshine — some overcast days are possible.
Our take: September is a good time to visit Xi'an. May remains slightly better (+0.9 pts).
By trip type
Xi'an in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in September
🎯 Peak season — book ahead for best rates. Accommodation prices at their highest Autumn in Xi'an is often underrated: 26°C, golden light and declining crowds. An interesting window. Expect rain on 36% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if May (8.6/10) remains theoretically better.
Browse by month
All months for Xi'an
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | -4°C | 6°C | 11% | 0.4 | 8.9h | 5.4/10 |
| 🌫️ February | -2°C | 10°C | 13% | 0.6 | 9.3h | 6.6/10 |
| ⛅ March | 5°C | 17°C | 16% | 0.9 | 9.7h | 7.2/10 |
| 🌤️ April | 11°C | 24°C | 22% | 1.7 | 9.9h | 8.0/10 |
| ☀️ May | 15°C | 28°C | 23% | 1.7 | 10.6h | 8.6/10 |
| 🌤️ June | 20°C | 33°C | 26% | 2.7 | 11.0h | 7.4/10 |
| 🌤️ July | 23°C | 33°C | 33% | 3.9 | 11.6h | 7.3/10 |
| 🌤️ August | 23°C | 33°C | 35% | 3.0 | 11.5h | 7.3/10 |
| 🌤️ September | 17°C | 26°C | 36% | 4.1 | 9.3h | 7.7/10 |
| 🌤️ October | 10°C | 19°C | 34% | 2.6 | 5.8h | 7.0/10 |
| ⛅ November | 4°C | 14°C | 19% | 0.8 | 8.1h | 7.0/10 |
| 🌫️ December | -3°C | 8°C | 6% | 0.3 | 8.8h | 6.2/10 |
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, Xi'an averages 26°C, 36% rainy days and 9.3h of sunshine per day. Overall weather score: 7.7/10.
See methodology →
Comparison
September vs May (best month)
The best month is May (score 8.6/10). Difference:
- 🌡️ Max temperature : +2°C
- 🌧 Rainy days : -13%
- ☀️ Sunshine : +1.3h/day
FAQ
FAQ — Xi'an in September
Is September a good time to visit Xi'an?
September is an excellent time to visit Xi'an (score 7.7/10). With 26°C, 9.3h of sunshine and 36% rain, conditions are very favourable.
What to do in Xi'an in September?
With 26°C max and 9.3h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
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