Autumn 2025 In Finland Dates. Autumn 2025 starts on sunday, september 22nd in the northern hemisphere, with daylight time shortening and the leaves begining to fall with the changing tilt of the earth's axis. The joint application to finnish higher education for january 2025 study start is open between 28th august and 11th september 2025 at studyinfo.fi.

It also lists astronomical sunrise and sunset timings on autumnal equinox day. Online calendar of holidays and days off in finland for the autumn of 2025.