The weather in Acapulco in September is very hot. The average temperatures are between 25°C and 31°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in Acapulco. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Acapulco in September 2025.
If you’re planning to visit Acapulco in the near future, we highly recommend that you review the 14 day weather forecast for Acapulco before you arrive.
Temperatures
31° / 25°
Rainy Days
10
Snowy Days
0
Dry Days
20
Rainfall
435
mm
Sun Hours
11.3
Hrs
