To simulate real-world intensity of sunlight, set the Directional Light intensity to around 2000.
For D3D11, D3D12, PS4, Xbox One and Switch, this produces good results with Enlighten.
For other platforms, in a level with a directional light with an Intensity of above
16, or a sky light with Intensity above 1000, you may notice darker-than-expected indirect lighting with Enlighten lightmaps. This is because Enlighten lightmaps use a fixed-point HDR representation on these platforms.