I have noticed after a rain, there is moisture in the rolled up awning too.
No mold issues, however, have a practice of opening the awning after it rains so it will dry out. This has not been a big issue since we are in a drought situation in my area.
It appears the rain tends to run into the awning from the left/right ends of the awning, not much but enough to cause some drips when extended.
2012 Fun Finder XT 276 Toy Hauler & Harley Davidson Ultra Classic with Condor wheel chock
2014 Dodge Ram 2500 AT 4X4 Crew Cab 6.4 L Hemi, 373 gears, tow package, Rambox option, Revolver X2 tonneau cover, Equal-I-zer anti-sway hitch.