Weather in Mexico City in September
Mexico City, Mexico averages a high of 20.9°C (69.6°F) and low of 12.2°C (54°F) in September, with 20 rain days and 9.2 hours of daily sunshine. Travel score: 62.5/100 (Good). The best time to visit Mexico City is February.
High
21°C70°F
Low
12°C54°F
🌧️
20
rain days
☀️
9.2
hrs/day sunshine
💧
79%
humidity
63— Good
September in Mexico City is mild and very rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Mexico City?
How much does it rain in Mexico City in September?
Mexico City receives an average of 178.8mm of rainfall across 20 rainy days in September. The annual total is 977.1mm.
What should I pack for Mexico City in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 21°C
🧥
Waterproof jacket
Frequent rain expected (20 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting Mexico in September?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31