Typical Weather in Mexico City, Mexico in September
78° F Avg High
53° F Avg Low
8 Rainy Days
☀️ Temperature Summary
While still warm, September is one of the cooler months of the year for Mexico City, with highs averaging around 78°F. You can expect overnight lows near 53°F most days.
September is a great time to visit Mexico City, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 25% chance of rain for any given day in September. It's one of the rainier months of the year for Mexico City, with total rainfall for the month around 4 inches. If you want to avoid the wet conditions in September, you may consider visiting in October instead, when rainfall chances can be closer to 12%.
Rainfall Throughout the Year
Planning a trip to Mexico City? Try our free trip weather planner