Mexico City · AutumnMonth summary
Mexico City weather in September
✅ Good
🌡️ Temperature min / max
13°C – 22°C
🌧 Rainy days
81% of days
☀️ Sunshine
10.3h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.0/10
📅 📅 Best month
March (9.0/10)
Quick decision
Should you visit Mexico City 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: Mexico City in September: 22°C and 10.3h of sunshine. Decent, but not the peak.
By trip type
Mexico City in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : — No sea access
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in September
🎯 Harvest season — fresh local produce at markets and restaurants Autumn in Mexico City is often underrated: 22°C, golden light and declining crowds. An interesting window. With 81% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. March (9.0/10) is significantly better if possible.
Browse by month
All months for Mexico City
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 7°C | 22°C | 7% | 0.3 | 10.7h | 8.3/10 |
| ☀️ February | 9°C | 25°C | 7% | 0.3 | 11.2h | 8.8/10 |
| ☀️ March | 11°C | 27°C | 15% | 0.6 | 11.7h | 9.0/10 |
| ☀️ April | 12°C | 28°C | 23% | 1.0 | 12.1h | 8.9/10 |
| 🌤️ May | 13°C | 28°C | 40% | 2.2 | 12.4h | 8.4/10 |
| 🌧️ June | 14°C | 24°C | 67% | 6.0 | 11.9h | 7.2/10 |
| 🌧️ July | 13°C | 23°C | 86% | 7.5 | 11.4h | 7.0/10 |
| 🌧️ August | 13°C | 23°C | 88% | 8.0 | 11.1h | 7.0/10 |
| 🌧️ September | 13°C | 22°C | 81% | 7.6 | 10.3h | 7.0/10 |
| 🌤️ October | 12°C | 22°C | 45% | 2.8 | 10.7h | 7.4/10 |
| 🌤️ November | 10°C | 23°C | 15% | 0.8 | 10.9h | 8.3/10 |
| 🌤️ December | 8°C | 22°C | 8% | 0.3 | 10.8h | 8.3/10 |
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, Mexico City averages 22°C, 81% rainy days and 10.3h of sunshine per day. Overall weather score: 7.0/10.
See methodology →
Comparison
September vs March (best month)
The best month is March (score 9.0/10). Difference:
- 🌡️ Max temperature : +5°C
- 🌧 Rainy days : -66%
- ☀️ Sunshine : +1.4h/day
FAQ
FAQ — Mexico City in September
Is September a good time to visit Mexico City?
September is an acceptable time for Mexico City (score 7.0/10). Conditions are decent but not optimal — consider March (9.0/10) if possible.
Does it rain a lot in Mexico City in September?
Yes, 81% of days see rain in September. Plan some indoor activities as backup.
Accommodation
Find a place to stay in Mexico City
Find places to stay in Mexico City in September
Search on Hotels.com
Activities & tours
Activities and tours in Mexico City
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
Find a flight to Mexico City
Compare flights from all airlines.
Search flights
←
Explore also
Similar destinations in September
Gondar
Laos
Chiang Mai🌍 Top destinations
Other top destinations in September
Banjul
Trinidad
Santiago
Marsa Alam
DakarWeather rankings
Compare destinations by weather
Best in EuropeGuides & comparisons