Month guide · Cozumel · Mexico
Cozumel in September
What September is really like in Cozumel: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Wasquewhat, CC BY-SA 4.0
Quick answer
September is a month many travellers avoid. Expect average highs of 31°C (88°F), lows of 24°C (75°F), about 15 rainy days and roughly 12.2 hours of daylight. The heart of the hurricane season and one of the wettest months; some businesses close for a break.
Key facts
- Average high / low
- 31°C (88°F) / 24°C (75°F)
- Rainy days
- About 15
- Daylight
- About 12.2 hours
- Sea temperature
- 30°C (86°F)
- Crowds
- Very quiet
- Hotel prices
- Lowest
Weather in September
September is the 6th-warmest month in Cozumel: days average 31°C (88°F) against a yearly average high of 30°C (86°F), and nights fall to about 24°C (75°F). Rain falls on roughly 15 of its 30 days. Compared with August (32°C (90°F)), September is about as warm; by October highs stay near 30°C (86°F).
- Sunrise (15 September)
- About 06:35
- Sunset (15 September)
- About 18:51
- Daylight
- About 12.2 hours
- Sea
- 30°C (86°F)
Hurricane peak (August–October). The wettest and most storm-prone period; prices are low and some businesses close, but travel insurance is essential.
Crowds and prices
On a 1–5 scale, September rates 1 for crowds (the peak is February at 5) and 1 for hotel prices (highest in February). That makes September one of the better-value months to book.
Events in September
- Independence Day celebrations (night of 15 September)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in September
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Historic site · Southwest interior
El Cedral
Visit during the festival around late April and early May to see traditional dances, rodeos and food stalls.
- Time needed
- 1 hour
- Cost
- Free
- History
- Free
- Off the beaten path
Beach · Southwest coast
West coast beach clubs
Along the sheltered southwest coast, beach clubs on sandy stretches such as Playa San Francisco and Playa Palancar rent loungers, kayaks and snorkel gear, with restaurants and calm water facing the reefs.
- Time needed
- Half a day
- Cost
- Mid-priced
- Kids
- Outdoors
- Food
Museum · Centro and malecón
Museo de la Isla de Cozumel
Visit during the midday heat or on a rainy afternoon, and finish with a drink on the upper terrace.
- Time needed
- 1 hour
- Cost
- Low cost
- History
- Rainy day
- Kids

Nature · Southwest coast
Palancar Reef
A long system of coral buttresses, swim-throughs and caverns along the island's southwest coast, Palancar is Cozumel's signature dive.
- Time needed
- Half a day
- Cost
- Expensive
- Iconic
- Nature
- Active
- Outdoors
The sea averages 30°C (86°F) — warm enough to swim. Best beaches near Cozumel.
What to pack
For highs near 31°C, lows near 24°C and 15 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a compact umbrella and waterproof shoes — rain is frequent; comfortable walking shoes.
Is September a good time to visit Cozumel?
A month many travellers avoid, with a notable event on the calendar. If your dates are flexible, December–April are better overall. Compare every month.
Cozumel in other months
Questions travellers ask
+Is September a good time to visit Cozumel?
It is a month many travellers avoid. The heart of the hurricane season and one of the wettest months; some businesses close for a break.
+How warm is Cozumel in September?
Average highs are around 31°C (88°F) and lows around 24°C (75°F).
+Does it rain a lot in Cozumel in September?
Expect rain on about 15 days of the month, so pack for wet weather.