Autumn 2025 Uk Weather Forecast. Find out when it starts, where to go and what to do in 2025/2025. Warmth in the south will subside in the coming days as the uk returns to a mixed weather regime with periods of showers, rain and sunny.

The meteorological autumn spans the period from 1st september to 30th november. The seasons are defined as spring (march, april, may), summer (june, july, august), autumn.