Mexico City
September
Weather in Mexico City for September 2025
Your guide to Mexico City weather in September - trends and predictions
In general, the average temperature in Mexico City at the beginning of September is 23 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 21.6 °C by the end of September.
Mexico City experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 266.7 mm.
Temperatures
Rain 🌧️
3
Dry days
27
Rainy days
0
Snow days
23°/12°
Temperatures
12 km/h
Avg max wind
72 %
Avg humidity
Mexico City Weather September
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Temperatures trend during September in Mexico City
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September weather in Mexico City day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Moderate rain at times | 23° /12° | 5.3 mm | 5 | |
| 2 Sept. |  Patchy light rain with thunder | 24° /11° | 8.6 mm | 6 | |
| 3 Sept. |  Fog | 24° /12° | 9 mm | 6 | |
| 4 Sept. | Fog | 24° /12° | 5 mm | 6 | |
| 5 Sept. | Fog | 23° /12° | 2.7 mm | 6 | |
| 6 Sept. | Patchy light rain with thunder | 22° /13° | 8 mm | 5 | |
| 7 Sept. |  Light rain shower | 21° /12° | 20.2 mm | 5 | |
| 8 Sept. | Fog | 22° /12° | 4.7 mm | 5 | |
| 9 Sept. | Fog | 20° /11° | 0.6 mm | 5 | |
| 10 Sept. | Fog | 24° /11° | 6.7 mm | 5 | |
| 11 Sept. | Mist | 24° /11° | 1.5 mm | 5 | |
| 12 Sept. | Fog | 24° /12° | 7 mm | 5 | |
| 13 Sept. | Mist | 25° /12° | 8 mm | 6 | |
| 14 Sept. | Mist | 24° /13° | 5.5 mm | 6 | |
| 15 Sept. | Fog | 25° /13° | 9 mm | 6 | |
| 16 Sept. | Light rain shower | 24° /13° | 6.9 mm | 6 | |
| 17 Sept. | Light rain shower | 23° /13° | 6 mm | 5 | |
| 18 Sept. | Patchy rain possible | 24° /13° | 4 mm | 5 | |
| 19 Sept. | Fog | 24° /13° | 14.2 mm | 5 | |
| 20 Sept. | Fog | 24° /13° | 7.4 mm | 6 | |
| 21 Sept. | Fog | 24° /13° | 12.3 mm | 6 | |
| 22 Sept. | Patchy rain possible | 24° /13° | 7.6 mm | 6 | |
| 23 Sept. | Fog | 25° /13° | 0.6 mm | 6 | |
| 24 Sept. |  Overcast | 24° /12° | 5.9 mm | 6 | |
| 25 Sept. |  Cloudy | 22° /11° | 0 mm | 5 | |
| 26 Sept. | Overcast | 20° /11° | 34.9 mm | 5 | |
| 27 Sept. | Mist | 20° /11° | 37.7 mm | 5 | |
| 28 Sept. | Overcast | 22° /12° | 11.3 mm | 5 | |
| 29 Sept. | Patchy rain possible | 21° /12° | 5.8 mm | 5 | |
| 30 Sept. | Patchy rain possible | 22° /12° | 10.4 mm | 5 | |
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Important Notice
Our weather forecast for Mexico City in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Mexico City forecast closer to your planned date for the most up-to-date weather information.
Change Month
Mexico City in September - FAQ
What are the expected maximum and minimum temperatures in Mexico City during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Mexico City during September?
Significant rainfall exceeding 266.7 mm is expected in Mexico City during September, occurring over more than 27 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Mexico City during September?
The average wind speed in Mexico City during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Mexico City
Explore the daily rainfall trends and prepare for Mexico Citys September weather 💧
UV exposure in Mexico City during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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