September weather forecast and climate
Akumal, Mexico

September, the first month of the autumn, in Akumal, is also a hot month, with average temperature ranging between max. 32°C (89.6°F) and min. 23°C (73.4°F).

Temperature

In September, the average high-temperature is 32°C (89.6°F), and the average low-temperature is 23°C (73.4°F).

Rainfall

The month with the most rainfall is September when the rain falls for 15 days and typically aggregates up to 232mm (9.1") of precipitation.

Sea temperature

Months with the warmest seawater are August through October, with an average sea temperature of 29°C (84.2°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in Akumal is 12.2h.

Sunshine

Months with the least sunshine in Akumal, Mexico, are January, September through December, with an average of 6h of sunshine.

UV index

In September, the average daily maximum UV index in Akumal is 11. A UV Index estimate of 11, and higher, represents an ultimate health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
The average daily UV index of 11 in September transform into the following instructions:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Akumal?

In September, the average high-temperature is 32°C (89.6°F), and the average low-temperature is 23°C (73.4°F).

How many days does it rain in September in Akumal?

In September, in Akumal, the rain falls for 15 days. Throughout September, 232mm (9.1") of precipitation is accumulated.

What is the wettest month in Akumal?

September is the month with the most rainfall in Akumal, Mexico. Rain falls for 15 days and accumulates 232mm (9.1") of precipitation.

What months are the sea warmest in Akumal?

August through October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Akumal. For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How warm is the water in September in Akumal?

In Akumal, in September, the average water temperature is 29°C (84.2°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Akumal have in September?

In Akumal, Mexico, the average length of the day in September is 12.2h.

What is the month with the least sunshine in Akumal?

Months with the least sunshine are January, September through December, with an average of 6h of sunshine.

How many hours of sunshine does Akumal have in September?

In September, the average sunshine is 6h.

What is the UV index reading in September in Akumal?

The average daily maximum UV index in September in Akumal is 11. A UV Index of 11, and more, symbolizes an ultimate hazard to health from the exposure to the Sun's UV rays.
Average temperature in September - Akumal, Mexico
  • Average high temperature in September: 32°C

Warmest months (with the highest average high temperature) are May and August (33°C).
Months with the lowest average high temperature are January, February and December (29°C).

  • Average low temperature in September: 23°C

Months with the highest average low temperature are June, July, August and September (23°C).
Coldest months (with the lowest average low temperature) are January and February (18°C).

Average rainfall in September - Akumal, Mexico
  • Average rainfall in September: 232mm

The wettest month (with the highest rainfall) is September (232mm).
The driest month (with the lowest rainfall) is March (38mm).

Average rainfall days in September - Akumal, Mexico
  • Average rainfall days in September: 15 days

The month with the highest number of rainy days is September (15 days).
The month with the lowest number of rainy days is April (3 days).

Average sea temperature in September - Akumal, Mexico
  • Average sea temperature in September: 29°C

Best months for swimming (with the highest average sea temperature) are August, September and October (29°C).
Coldest months (with the lowest average sea temperature) are January, February and March (26°C).

Average daylight in September / Average sunshine in September - Akumal, Mexico
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.9h).

  • Average sunshine in September: 6h

Months with most sunshine are March, April and May (Average sunshine: 8h).
Months with least sunshine are January, September, October, November and December (Average sunshine: 6).

Average UV index in September - Akumal, Mexico
  • Average UV index in September: 11

Months with the highest UV index are April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 7).

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