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MexicoThe weather in September in Mexico City
It's warm in September in Mexico City with an average temperature of 25°C. Temperatures this month range from a low of 23°C to a high of 27°C. At night, you can expect temperatures between 11°C and 13°C.
Looking for sun? September isn’t a good month to be in Mexico City. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Mexico City, Mexico. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 29°C in 2023, Mexico City reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 18°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 15°C.
Rainfall amount
In September, there is an average of 154 mm of precipitation, spread over 18 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in September for Mexico City
Click on any day in September to get detailed info about the usual weather on that day in Mexico City. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Mexico City | New York | |
|---|---|---|
| Average temperature | 25°C | 27°C |
| Max. temperature | 27°C | 31°C |
| Min. temperature | 11°C | -5°C |
| Total precipitation | 154 mm | 57 mm |
| Rainy days | 18 days | 9 days |
Start of September
The month of September starts in Mexico City with warm temps, averaging around 25°C during the day and nights around 12°C.
Mid September
By mid-September, daytime temps rise to around 26°C, with nights around 12°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in Mexico City is around 25°C, while nighttime temps are about 12°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Mexico City for all months and discover the best travel time
Curious about the weather in other parts of Mexico? Check out the climate and weather for spots like Cancún, Playa del Carmen, Tulum, or explore other destinations in Mexico.
Temperature charts
These charts show the average temperatures in September in Mexico City, Mexico. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Mexico City
Temperature in September in Mexico City over the years
Precipitation charts
These charts show the average amount of precipitation in September in Mexico City, Mexico. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Mexico City
Total precipitation in September in Mexico City over the years
Daily UV index in September in Mexico City
This chart shows the average daily UV index in September in Mexico City, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Mexico City
The weather in September in Mexico City is rated 4 out of 5 stars by 1 visitor. Have you been to Mexico City? Share your weather experience to help other visitors.
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During the day it was surprisingly warm, ideal for relaxing. In the late afternoon, however, it rained heavily. So a raincoat is a must!— This text is automatically translated to English
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Average weather in Mexico City by month
Click on a month below to see detailed weather info for Mexico City. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.