Typical Weather in Cancun, Mexico in September
92° F Avg High
75° F Avg Low
9 Rainy Days
☀️ Temperature Summary
Highs in September are typically around 92°F, which is warmer than usual in Cancun. You can expect overnight lows near 75°F most days. Daily high temperatures can range between 93°F and 90°F, and typically fall throughout the month.
Be ready to seek shade during the day, as mid-day temperatures can be dangerous if you're caught without a way to cool off.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In September you can expect close to a 30% chance of rain for any given day. It rains more than usual in September, with total rainfall for the month typically near 7 inches.
Rainfall Throughout the Year
Planning a trip to Cancun? Try our free trip weather planner