MexicoAverage weather for Mexico City in September
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.
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. There are plenty of days with a good chance of precipitation.
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.
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.
Mexico City in September |
New York | ||
|---|---|---|---|
 Average temperature |
25°C | 27°C | |
 Max. temperature |
27°C | 31°C | |
| Min. temperature |
23°C | -5°C | |
 Total precipitation |
154 mm | 57 mm | |
| Rainy days |
18 days | 9 days | |
August
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.
Is September a good time to visit Mexico City?
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.
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.
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.
Daily Temperature in September in Mexico City
This chart shows the average daily high and low temperatures in September for Mexico City, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Weather experiences in September in Mexico City
Good
During the day it was surprisingly warm, ideal for relaxing.... more
Daily Precipitation in September in Mexico City
The chart below shows the average daily precipitation in September for Mexico City, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 18 days of precipitation in Mexico City.
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.
Temperature in September in Mexico City over the years
This chart shows the average temperature in September in Mexico City, measured in degrees Celsius, over the past few years.
Total precipitation in September in Mexico City over the years
This chart shows the average precipitation in September in Mexico City, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.
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.
Or check out the climate of Mexico City for all months at once
