Cozumel vs Isla Mujeres in September

Cozumel and Isla Mujeres are nearly tied in September — 79 vs 78 on SeasonMap's comfort score. Cozumel is sweltering, rainy, clean air; Isla Mujeres is sweltering, soaked, clean air.

Cozumel vs Isla MujeresSeptember climate, side by side

CozumelIsla Mujeres
Comfort score79/100 (B)78/100 (B)
Feels-like high38°C38°C
Avg high / low32° / 24°32° / 25°
Rainfall132 mm175 mm
Rainy days2023
Humidity80%84%
Air quality (AQI)3335

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Cozumel vs Isla Mujeres in September — FAQ

Is September better in Cozumel or Isla Mujeres?
Cozumel and Isla Mujeres are nearly tied in September — 79 vs 78 on SeasonMap's comfort score. Cozumel is sweltering, rainy, clean air; Isla Mujeres is sweltering, soaked, clean air.
What is the weather like in Cozumel vs Isla Mujeres in September?
In September, Cozumel averages 32°C high / 24°C low with about 132 mm of rain; Isla Mujeres averages 32°C high / 25°C low with about 175 mm.