It is a better idea to skip Goa during monsoons. The incessant rains between June and September may leave you hotel bound and very dissatisfied. Even shacks and adventure activity clubs might be clos (Read More)ed, so the trip could end up being really boring. The last two weeks of September are a nice time to visit, as the hotel rates haven't caught on to full season rates, the place is lush and green and the clubs are mostly open. Have fun!