Weather · Cozumel, Mexico
Cozumel Weather in September
September in Cozumel averages 31°C by day and 26°C at night, with about 107mm of rain. That makes it a reasonable time to visit.
Avg high
31°C
88°F
Avg low
26°C
79°F
Rainfall
107mm
#5 wettest of 12
What to pack
Light, breathable clothes and strong sun protection. Bring a compact umbrella for the odd shower.
Timing a trip around the weather? A Local Friend in Cozumel builds it around the season for you.