September weather forecast and climate
Acapulco, Mexico

Palm trees and a lovely white sandy beach in Acapulco, Mexico, with a distant view of the city structures and a mountain
Palm trees and a lovely white sandy beach in Acapulco, Mexico, with a distant view of the city structures and a mountain
The first month of the autumn, September, is still a hot month in Acapulco, Mexico, with average temperature fluctuating between 24.7°C (76.5°F) and 31.6°C (88.9°F).

Temperature

In Acapulco, the average high-temperature is 31.6°C (88.9°F), and the average low-temperature is 24.7°C (76.5°F).

Humidity

The most humid month is September, with an average relative humidity of 78%.

Rainfall

September is the month with the most rainfall. Rain falls for 14.3 days and accumulates 309.6mm (12.2") of precipitation.

Sea temperature

In Acapulco, the average water temperature is 29.9°C (85.8°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

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

Sunshine

The month with the least sunshine in Acapulco is September, with an average of 6.5h of sunshine.

UV index

Months with the highest UV index are March through September, with an average UV index of 12.

What is the temperature in September in Acapulco?

In September, in Acapulco, Mexico, the average high-temperature is 31.6°C (88.9°F), and the average low-temperature is 24.7°C (76.5°F).

What is the most humid month in Acapulco?

With an average relative humidity of 78%, September is the most humid month.

What is the average humidity in September in Acapulco?

In September, the average relative humidity in Acapulco is 78%.

How many days does it rain in September in Acapulco?

In Acapulco, during September, the rain falls for 14.3 days and regularly aggregates up to 309.6mm (12.2") of precipitation.

What is the wettest month in Acapulco?

September is the month with the most rainfall in Acapulco. Rain falls for 14.3 days and accumulates 309.6mm (12.2") of precipitation.

How warm is the water in September in Acapulco?

In Acapulco, Mexico, in September, the average water temperature is 29.9°C (85.8°F). 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 many hours of daylight does Acapulco have in September?

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

What is the month with the least sunshine in Acapulco?

With an average of 6.5h of sunshine, September has the least sunshine of the year in Acapulco, Mexico.

How long on average sun shines in September in Acapulco?

In September, the average sunshine in Acapulco is 6.5h.

What is the month with the highest UV index in Acapulco?

Months with the highest UV index in Acapulco are March through September, with an average UV index of 12.

How high is the UV index in September in Acapulco?

The average UV index in September in Acapulco is 12.
Average temperature in September - Acapulco, Mexico
  • Average high temperature in September: 31.6°C

The warmest month (with the highest average high temperature) is July (32.3°C).
Months with the lowest average high temperature are January, February and March (30.4°C).

  • Average low temperature in September: 24.7°C

The month with the highest average low temperature is June (25.2°C).
The coldest month (with the lowest average low temperature) is January (23.3°C).

Average humidity in September - Acapulco, Mexico
  • Average humidity in September: 78%

The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is March (72%).

Average rainfall in September - Acapulco, Mexico
  • Average rainfall in September: 309.6mm

The wettest month (with the highest rainfall) is September (309.6mm).
The driest month (with the lowest rainfall) is March (2.2mm).

Average rainfall days in September - Acapulco, Mexico
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is September (14.3 days).
The month with the lowest number of rainy days is April (0.2 days).

Average sea temperature in September - Acapulco, Mexico
  • Average sea temperature in September: 29.9°C

The best month for swimming (with the highest average sea temperature) is August (30°C).
The coldest month (with the lowest average sea temperature) is March (27.7°C).

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

The month with the longest days is June (Average daylight: 13.1h).
The month with shortest days is December (Average daylight: 11.1h).

  • Average sunshine in September: 6.5h

The month with most sunshine is March (Average sunshine: 9.3h).
The month with least sunshine is September (Average sunshine: 6.5h).

Average UV index in September - Acapulco, Mexico
  • Average UV index in September: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).

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