What is the best plant to plant in September? A tried and tested autumn staple, chrysanthemums are the perfect plant to plant in September if you want a spectacular show of flowers and fall colour.

Meteorologists consider September 1 the first day of autumn. But for those who prefer defining the seasons by astronomy, the autumnal equinox, which occurs Monday night, marks the end of summer ...

Today is the September Equinox, marking the first day of autumn in the Northern Hemisphere. 'The September equinox is a time that welcomes Earthlings to a new season,' NASA explained.