Weather Orlando September 2025. The weather in september begins to hint towards the end of summer while the city remains drenched in high warmth, with temperatures ranging between 74.5°f (23.6°c) to. Discover the most accurate weather forecast for orlando in september 2025.

Daily high temperatures decrease by 3°f, from 89°f to 86°f, rarely falling below 81°f or exceeding 93°f. But due to the moderate humidity it can.