Weathermondo.com
MexicoThe weather in September in Cancún
It's hot in September in Cancún with an average temperature of 32°C. Temperatures this month range from a low of 31°C to a high of 33°C. At night, you can expect temperatures between 24°C and 26°C.
Looking for sun? September isn’t a good month to be in Cancún. 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 Cancún, 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 39°C in 2019, Cancún reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 27°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 20°C to a highest value of 28°C.
Rainfall amount
In September, there is an average of 126 mm of precipitation, spread over 15 days. The wind speed is around 4 Bft, mostly coming from the East.
Daily weather in September for Cancún
Click on any day in September to get detailed info about the usual weather on that day in Cancún. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Cancún | New York | |
|---|---|---|
| Average temperature | 32°C | 27°C |
| Max. temperature | 33°C | 31°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 126 mm | 57 mm |
| Rainy days | 15 days | 9 days |
Start of September
The month of September starts in Cancún with hot temps, averaging around 33°C during the day and nights around 25°C.
Mid September
By mid-September, daytime temps stay steady at around 33°C, with nights around 25°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in Cancún is around 32°C, while nighttime temps are about 25°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
Find affordable trips to Cancún
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 Cancún 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 Mexico City, Playa del Carmen, Tulum, or explore other destinations in Mexico.
Temperature charts
These charts show the average temperatures in September in Cancún, Mexico. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Cancún
Temperature in September in Cancún over the years
Precipitation charts
These charts show the average amount of precipitation in September in Cancún, 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 Cancún
Total precipitation in September in Cancún over the years
Daily UV index in September in Cancún
This chart shows the average daily UV index in September in Cancún, 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 Cancún
Have you been to Cancún in September?
Share your weather experience in September in Cancún.
Average weather in Cancún by month
Click on a month below to see detailed weather info for Cancún. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.