ko lanta

My buddy and I are diving Bali Sept 5 - 17 so we're thinking of going to Ko Lanta. We have read that this might not be a great time of year to go to Ko Lanta. Does anyone know if late August is better than late September? Also, would there be a better place to go at this time of year?

Hey guys, my fiance's brother is getting married in Thailand in a few days and we thought we'd try and get a few dives in, only problem is that it's all a great big secret as to where we're going to be going and we're not allowed to do anything else (he's even had a go at the parents for buying...