According to calendars autumn starts on 21 September but at Nature's Calendar they mark the start of autumn based on key signs and triggers in nature.
There are many signs of autumn and many help us learn how our climate is changing. Look out for the following:
Scientists study the recurrence of natural events and their timings which is called phenology. Recording these timings can give vital clues to the impact of the changing climate on our woods and wildlife.
Track nature's seasonal changes and become a Nature's Calendar recorder.
Top autumn woods to visitAccessible autumn woods Great autumn eventsAutumn photography Autumn fun
Amazing autumnal activities from nature detectivesRecord signs of autumn on Nature's CalendarUpload your autumn pics to VisitWoods
What else is happening in our woods?