The highest day temperature in September 2026 was 89°F. The lowest night temperature was 84°F. The average values for day and night temperatures during September were 87.7°F и 85.8°F respectivly.

The average sea surface temperature in September 2026 for Acapulco was 92.0°F. The maximum and minimum values were 90.6°F and 93.0°F respectively.

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in September for Acapulco is 10.7 in. It makes september the most rainy month of the year.

The average wind speed in September is 6.2 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Acapulco in September is 6.6 hours.