If my Honda Accord LX 2.4 l overheats only on hot days or uphill what would be the cause

What is your question?

It feels like it loses power and it's only been the last 2 weeks that has been going on it sounds like it wants to bug out but it picks up like normal after a little bit and I only noticed the problem on drives more than 40 miles under 40 MI it doesn't seem to have the problem at all even if I floor the gas pedal