If you 'have to' shoot in the bright and contrasty conditions of direct sun, you can use techniques employed by some...
- use supplmental flash to reduce the shadow contrast, so the scene is not as contrasty
- 'create shade'...shoot under an overhead building in the shade, or even under a translucent white panel
You can even combine the techniques...put the human subject into a shaded area, but with direct sunlit surrounding, then use flash to brighten the shaded area, which would otherwise be -3EV to -4EV darker than the sunny surroundings!
You do not have to stop shooting during the peak of day.