Climate almanac
Cancún
Quintana Roo, Mexico · 21.17°, -86.85°
What is the weather like in Cancún in September?
In September, Cancún is typically 84°F (29°C) during the day and 81°F (27°C) at night. The month brings about 4.9 in (124 mm) of precipitation in total.
- Average high84°F (29°C)
- Average low81°F (27°C)
- Precipitation4.9 in (124 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)