Sep·tem·ber 
/sɛpˈtɛmbɚ/ noun
plural Sep·tem·bers /sɛpˈtɛmbɚ/ noun : the ninth month of the year [noncount] ▪ early/mid-/late September ▪ early/late in September ▪ School begins on September the fifth. = (US) School begins on September fifth. = School begins on the fifth of September. [count] ▪ The weather has been very mild during the past two Septembers.
