What is the weather like in Cancún vs Cozumel in September?

In September, Cancún averages 31°C high / 25°C low with about 175 mm of rain; Cozumel averages 32°C high / 24°C low with about 132 mm.

Cancún vs Cozumel in September

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

Cancún vs Cozumel — September climate, side by side

	🇲🇽 Cancún	🇲🇽 Cozumel
Comfort score	78/100 (B)	79/100 (B)
Feels-like high	37°C	38°C
Avg high / low	31° / 25°	32° / 24°
Rainfall	175 mm	132 mm
Rainy days	23	20
Humidity	82%	80%
Air quality (AQI)	35	33

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

Month by month

Cancún vs Cozumel in September — FAQ

Is September better in Cancún or Cozumel?: Cancún and Cozumel are nearly tied in September — 78 vs 79 on SeasonMap's comfort score. Cancún is sweltering, soaked, clean air; Cozumel is sweltering, rainy, clean air.
What is the weather like in Cancún vs Cozumel in September?: In September, Cancún averages 31°C high / 25°C low with about 175 mm of rain; Cozumel averages 32°C high / 24°C low with about 132 mm.