Yes and no.
It's not the amps, but the voltage that may affect the a/c. With that said you can only expect a 18/20 degree drop in the air temp. If your unit is 85 inside the air coming out of the a/c will only be 65 etc. So as the sun goes down and things cool off it works much better.
PINNACLE 2015 38FLSA. aka: "Roam Sweet Home"