Car air conditioning cool but not cold?

2001 honda accord. The AC is blowing cold but not cold enough to the point if its over 90 degrees its better to have the window open. I recharged the freon, gauges say everything is good, compressor works perfectly, both condenser fans work perfectly. The only other possible cause I found was the cabin air filter needing replacement. The process for even checking the filter is complicated on my car and I do not have the expertise to check. Is it worth disassembling the dash to check if its the cabin air filter?

Well, like you say, everything else looks good… So you either keep trying this or that, OR you take-it to a pro & say FIX IT!

You never have to disassemble the dash to replace cabin filters. The state of the filter has no effect on the air temperature. You need to take it to an a/c specialist.

It is a hassle but if you want conditioned air, it might have to be changed.
Are you certain it isn't something else?

They don't work that good when its too hot

You don't have to take apart the dash to change the cabin air filter- it's not that hard. You should ride initially with the window open to blow out the excess heat, so the ac has a chance to get the car cool.

Air in the system or overcharing can reduce cooling effectiveness.

"The process for even checking the filter is complicated on my car and I do not have the expertise to check."

You didn't have the expertise to do all that other stuff you did, but obviously it didn't stop you.

Car is 17 years old. If the cabin filter has not been replaced since new, it is likely the problem. Put your hand close to the vent with the blower in max. If the air coming out is weak, replace the filter. If the air coming out is strong, AC on for 10 minutes, touch the low side line going to the compressor. It should be "beer can cold". Measure the temp across the vent with a thermometer. Should be at least 50F. If you are not getting these indications, get a manifold gauge hooked up again and tell us the readings or see a car AC mechanic.

Unless you are trained in a/c repair, the chance that you are going to charge your system properly is low.

If you had to add refrigerant, then you have a leak. If you have a leak, you have to find it and repair it.

If your system was empty, you need to use a vacuum pump, after you find the leak and repair the leak. You evacuate before you add refrigerant.

If your system was empty you need to add the system capacity of refrigerant. Not more. Not less.

What were the high side and low side gauge pressures?

What was the outside temperature?

What was the duct temperature?

If you feel good air flow with the blower fan on the highest setting the cabin filter is not the problem.
Put some more 134a in the system and on an 80 degree day 42 degree cold air out of the center vents is good.