'dazzling sun' is correct and usable in written English.
It can be used when describing something that is very bright and shiny, as in the following example sentence: "We could see the dazzling sun glinting off the lake surface as we drove by."
Lunch with Miss President and dazzling sun.
Her final day was incongruously glorious, the sky fresh-scrubbed, dazzling sun on new snow in the Olympics.
When the "deposed dictator" became a living ghost, her dazzling sun gave way to Black Wednesday and John Major's "pale moon".
"Designing the Cosmos: Temples and Temple Decoration". In Egypt's Dazzling Sun: Amenhotep III and His World, edited by A. P. Kozloff and B. M. Bryan.
Once, he looked up in the sky and saw, through his frozen goggles, a dazzling sun halo.
For a few minutes, he stood at the bottom, savoring the frigid air, the lapping water, the dazzling sun.
I squint through the dazzling morning sun and try to look in the direction the sound is coming from.
The scenery was dazzling, the sun was huge, but, no matter how hard I tried to be pleasant, everything was crotchety and wrong.
Paradise — an actual train stop, where across rows of soy I catch a glimpse of a gaunt black Amish carriage, poised like a scarab against the dazzling midday sun.
Nature, alone, in its sublime indifference, provided a source of joy in this willfully austere world: the dazzling Mediterranean sun, the crashing surf, the sight of swallows darkening the sky in their annual journey south.
At the time of going to press, Britain is lolling (which is an equally enjoyable but more relaxed, pre-internet version of LOLing) beneath the benign rays of a prematurely dazzling summer sun.
