What is the weather like in Cozumel vs Puerto Vallarta in September?

In September, Cozumel averages 32°C high / 24°C low with about 132 mm of rain; Puerto Vallarta averages 33°C high / 25°C low with about 348 mm.

Cozumel vs Puerto Vallarta in September

Cozumel is the better pick in September — 79 vs 54 on SeasonMap's comfort score. Cozumel is sweltering, rainy, clean air, while Puerto Vallarta is sweltering, soaked, clean air.

Cozumel vs Puerto Vallarta — September climate, side by side

	Cozumel	Puerto Vallarta
Comfort score	79/100 (B)	54/100 (D)
Feels-like high	38°C	41°C
Avg high / low	32° / 24°	33° / 25°
Rainfall	132 mm	348 mm
Rainy days	20	29
Humidity	80%	90%
Air quality (AQI)	33	33

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

Cozumel vs Puerto Vallarta in September — FAQ

Is September better in Cozumel or Puerto Vallarta?: Cozumel is the better pick in September — 79 vs 54 on SeasonMap's comfort score. Cozumel is sweltering, rainy, clean air, while Puerto Vallarta is sweltering, soaked, clean air.
What is the weather like in Cozumel vs Puerto Vallarta in September?: In September, Cozumel averages 32°C high / 24°C low with about 132 mm of rain; Puerto Vallarta averages 33°C high / 25°C low with about 348 mm.