My ac blows cold air then durring the day it is hot on 2005 Nissan Altima

I start my with cold air then during the day it is hot.I filled with one can of freon and the compressor does turn on.

Asked by for the 2005 Nissan Altima
Sounds like you have a leak somewhere and have a low charge. with filling with 1 can it it possible that you overcharged the system. You need to have guages to check both high and low side pressures.