Weather · Cancun, Mexico
Cancun Weather in September
September in Cancun averages 31°C by day and 25°C at night, with about 121mm of rain. That makes it a reasonable time to visit.
Avg high
31°C
88°F
Avg low
25°C
77°F
Rainfall
121mm
#3 wettest of 12
What to pack
Light, breathable clothes and strong sun protection. Bring a compact umbrella for the odd shower.
Timing a trip around the weather? A Local Friend in Cancun builds it around the season for you.