Isla Mujeres Weather in September

Isla Mujeres in September averages 30°C (86°F) during the day and 27°C (81°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Isla Mujeres in September

Historically, approximately 15 days this month are expected to have rain, averaging 179 mm (7 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Isla Mujeres in September

In September, Isla Mujeres gets high temperatures, with highs of 30°C (86°F). Nights cool to around 27°C (81°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.

Sunshine in Isla Mujeres in September

The city usually sees around 195 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Average water temperature in September

At 29°C (84°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Isla Mujeres. Our weather planner can help you explore destinations with more pleasant weather conditions.

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For a detailed overview over the year and the best time to visit Mexico, check out our Isla Mujeres's climate page.

Isla Mujeres Temperature in September

Min Temperature 27°C (81°F)  

Max Temperature 30°C (86°F)  

Water Temperature 29°C (84°F) *  

Chance of Rain 48%  

Precipitation 179 mm (7 in)  

Rainy days 15 days  

Sunshine 195 hours *  

Percentage Sunshine *  

* Data from: Cancún, Mexico (12 KM, 8 Miles).

What to Wear in Isla Mujeres in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Isla Mujeres in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Mexico, check out our Isla Mujeres's climate page.

More climate data for Isla Mujeres

Temperature Rainfall Sunshine Water Temp

See the full Isla Mujeres climate overview or explore weather in Mexico.