You could paint it a new color.
Rustoleum 2X spary paint for metal.
Hi Tired Porch:) You can repaint it to spruce it up a bit. The best way to paint aluminum is to - Well, check these sites out, it's faster than me blabbing on:)
Either Paint it or cover it with Contact, or use a sheet to cover the actual awning.
What does it look like now?
Please post a picture so that we can see what you are starting with.
Power wash it very well. Then paint a more modern color. Use paint made to paint metal.