Where is hot in September

Beaches where the sea is at least 18 °C in September – 158 destinations from 2021–2025 climatology, ranked warmest first. Pick with your eyes: every tile opens today's sea temperature and the 10-day forecast.

Warmest sea in September: Abu Dhabi (33.8 °C), Doha (33.7 °C), Palm Jumeirah (33.5 °C).