Cool your hardware better than you are now.
Is your case sitting in an enclosed area where it can't breath?
What case is your hardware in? What hardware are you running?
If your current case only has 1 or 2 case fans and has no provision to mount more fans, you may need to consider upgrading to a new case.
If your case has places to mount more case fans, you should do so.
+1 to cpuid hwmonitor. Please post your temperatures.