Cancun Weather in September
In September, Cancun averages a high of 33°C (91°F) and a low of 23°C (74°F), based on 38 years of historical weather data from CANCUN.
33°C
Average high
91°F
23°C
Average low
74°F
41°C
Record high
105°F · 1995
17°C
Record low
62°F · 1992
What to Expect in Cancun in September
Typical September days in Cancun reach 33°C (91°F) during the afternoon and cool to around 23°C (74°F) overnight. On average, measurable rain falls on about 44% of days this month. Over the past 38 years, September temperatures in Cancun have ranged from a record high of 41°C (1995) down to a record low of 17°C (1992).
For a day-by-day look or other months, see the full Cancun weather history.