When more than 90% of your post consists in what other people posted it means there's not much of interest that you're adding.
In Portugal they would be wearing the standard 1911 uniform with 1913 sun helmet. The units would look like this: http://i426.photobucket.com/albums/p...secolonial.jpg (though it says "colonial" in the name they are wearing the home uniform). The colours is a light blue grey (it's actually a mix of black and white cotton threads), including the helmet.
The difference with the CEP is: lighter cotton uniforms (instead of the wool worn on the Western Front), brown leather equipment (instead of the copy of the British webbing equipment) and sun helmet (the peaked cap was also worn in Portugal, but it was meant as a side cap).
See also here: http://www.operacional.pt/grande-gue...iii-uniformes/