Cancun Weather in September
Mexico · 30-year monthly averages
⚠️ Challenging time to visit
September in Cancun is hot, with average daytime highs around 34°C (93°F) and nighttime lows near 24°C (76°F). Expect roughly 182mm of precipitation spread over about 14 rainy days, and this is one of the wetter months.
Avg high
34°C
93°F
Avg low
24°C
76°F
Rainfall
182mm
rainy
Rainy days
14
days with ≥1mm
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
- compact umbrella or rain jacket
September vs the rest of the year
FAQ
- How hot is Cancun in September?
- September in Cancun is hot, with average daytime highs around 34°C (93°F) and nighttime lows near 24°C (76°F). Expect roughly 182mm of precipitation spread over about 14 rainy days, and this is one of the wetter months.
- Does it rain a lot in Cancun in September?
- Cancun sees around 182mm of precipitation in September on average — rainy by global standards.
- Is September a good time to visit Cancun?
- September is a challenging month to visit Cancun weather-wise — plan around the conditions.