Jiuzhaigou weather in August

Hi,
We have booked a 8 day trip to Chengdu, JZG,Huanglong, Mt Emei and Leshan on 30th August. How is
the expected weather, will it be a bit hot? From weather forecast, temp. on 20th is about 35 degrees Celsius.
Hopefully there is no rain or earthquake or landslide. Thanks