Pros,

I was wondering if there is a way to get sar print the Average of CPU
(Actually anything) on a Solaris 9 box?

For example:
On a solaris 8 box,

/usr/bin/sar -u 1 5

SunOS gorgon 5.8 Generic_108528-04 sun4u 07/29/03

17:35:50 %usr %sys %wio %idle
17:35:51 0 0 0 100
17:35:52 0 0 0 100
17:35:53 0 0 0 100
17:35:54 2 1 0 97
17:35:55 2 0 0 98

Average 1 0 0 99

On a solaris 9 box

/usr/bin/sar -u 1 5

SunOS troll 5.9 Generic sun4u 07/29/2003

17:09:31 %usr %sys %wio %idle
17:09:32 0 1 0 99
17:09:33 0 0 0 100
17:09:34 0 0 0 100
17:09:35 0 0 0 100
17:09:36 0 0 0 100

(It does not print average)