Weather in Cozumel Island, Mexico in September

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Visiting Cozumel Island, Mexico in September

The weather in September is marginally cooler than the previous month and temperatures continue to drop slightly into October. September has average maximum temperatures of 31°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 45% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day. It is a good time for sunbathing in Cozumel Island.

September has total rainfall of 18.9cm (7.4inches) making it often dry with only moderate showers. There are only 12.9 days with some rainfall so you can still enjoy the beach on the many clear days.

Sea temperatures are a very warm 30°C (85°F). September is an excellent month for swimming in Cozumel Island with very comfortable temperatures for bathing all day. The sea temperature in September is slightly warmer than the previous month.

Consider visiting Cozumel Island in the months of February, March, April, December, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Cozumel Island in September?

Yes, September is a good time for sunbathing in Cozumel Island.

September has average maximum temperatures of 31°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 45% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day. September has total rainfall of 18.9cm (7.4inches) making it often dry with only moderate showers. There are only 12.9 days with some rainfall so you can still enjoy the beach on the many clear days.

More about September temperature and sunshine.

Can you swim in Cozumel Island in September?

Yes, September is an excellent month for swimming in Cozumel Island with very warm sea temperatures 30°C (85°F).

More about September sea temperatures.

Is September a good time to holiday in Cozumel Island?

Yes, September is a good time for a holiday in Cozumel Island.

September has average maximum temperatures of 31°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 45% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day. September has total rainfall of 18.9cm (7.4inches) making it often dry with only moderate showers. There are only 12.9 days with some rainfall so you can still enjoy the beach on the many clear days. It is a good time for sunbathing in Cozumel Island. Sea temperatures are a very warm 30°C (85°F). September is an excellent month for swimming in Cozumel Island with very comfortable temperatures for bathing all day.

More about the September temperatures and sunshine.

Is Cozumel Island warm in September?

Yes, Cozumel Island is very hot and perfect for sunbathing on clear days in September.

The average maximum temperature in Cozumel Island in September is 31°C (87°F). The average maximum temperature is 32°C (89°) in the previous month and 29°C (85°F) in the next month.

The average temperature in Cozumel Island in September is 27°C (80°F). The average temperature is 28°C (82°F) in the previous month and 26°C (78°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Cozumel Island in September?

The average day light hours per day in Cozumel Island in September are 12.3. The sunshine percentage is 45% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day.

More about September sunshine.

Temperature in Cozumel Island in September

The weather in September is marginally cooler than the previous month and temperatures continue to drop slightly into October. The average maximum temperature in Cozumel Island in September is 31°C (87°F). The average maximum temperature is 32°C (89°F) in the previous month and 29°C (85°F) in the next month.

The average temperature in Cozumel Island in September is 27°C (80°F). The average temperature is 28°C (82°F) in the previous month and 26°C (78°F) in the next month.

The average minimum temperature in Cozumel Island in September is 23°C (74°F). The minimum temperature is 24°C (75°F) in the previous month and 23°C (73°F) in the next month.

Sunshine in Cozumel Island in September

The days in September are marginally shorter than the previous month and days continue to get slightly shorter into October. September has less hours of sunshine than the previous month and hours of sunshine continue to drop into October. During September the average day light hours are 12.3 per day in Cozumel Island. The sunshine percentage is 45% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day.

The ultraviolet index in Cozumel Island in September is typically 11.9 during September. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Cozumel Island in September

The average sea water temperature in Cozumel Island in September is 29.6°C (85.3°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in September is slightly warmer than the previous month.

Rainfall in Cozumel Island in September

September weather is slightly wetter than the previous month. September has more days of rain than the previous month. The average total rainfall in Cozumel Island in September is 18.9cm (7.4inches) and on average there are 12.9 rainy days in September making it a pretty wet time to visit the beach.

Humidity in Cozumel Island in September

The maximum dew point (an indicator of humidity) in Cozumel Island in September is 25°C (78°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning. The dew point is 26°C (78°F) in the previous month and 24°C (24°F) in the next month.

The average maximum relative humidity in Cozumel Island in September is typically 97.5%. The maximum relative humidity is 96.8% in the previous month and 97.4% in the next month.

The average relative humidity in Cozumel Island in September is typically 84.3%. The average relative humidity is 81.9% in the previous month and 85.1% in the next month.

Wind Speed in Cozumel Island in September

The average maximum wind speed in Cozumel Island in September is typically 23KM/H (14MPH). The average maximum wind speed is 23KM/H (14MPH) in the previous month and 24KM/H (15MPH) in the next month.

The average wind speed in Cozumel Island in September is typically 9KM/H (5MPH). The average wind speed is 9KM/H (5MPH) in the previous month and 11KM/H (7MPH) in the next month.

The average wind direction in Cozumel Island in September is from the East.

Monthly Averages

Suggested Beaches in September

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.