September

It's the best season for most of Madagascar, for Kenya and Hawai'i

madagascar - hawai

It's the right season again for Salvador (Bahia, Brasil); the weather is still nice on the Comoro Is., on Fiji; the dry season begins on French Guyana; hurricane risk is at it's maximum on the Caribbean, but if you do not have to care for a boat, which would be very vulnerable in this case, you can go without fear to the Caribbean this month : hurricane risk remains statistically very weak, and they are usually announced enough in advance to look for shelter; many boat charterers, yet, stop renting out their boats at this time of the year

The best season begins on Mauritius, it ends on Papua New guinea.
In Tahiti, the weather is often ideal : the South Eastern wind, Maraamu has abated.