September A1

/sɛpˈtɛmbɚ/ The ninth month of the Gregorian calendar, following August and preceding October, containing the southward equinox.

October A1

/ɑkˈtoʊ.bəɹ/ The tenth month of the Gregorian calendar, following September and preceding November.

November A1

/noʊˈvɛmbɚ/ The eleventh month of the Gregorian calendar, following October and preceding December.

December A1

/dɪˈsɛm.bɚ/ The twelfth and last month of the Gregorian calendar, following November and preceding the January of the following year, containing the southern solstice.