Autumn (also known as fall in North American English) is one of the four temperate seasons. Autumn marks the transition from summer usually in September (northern hemisphere) or March (southern hemisphere) when the arrival of night becomes noticeably earlier. Autumn starts on 21st September and ends on 20th December, in the northern hemisphere. Autumn starts on or around 7 August and ends on about 6 November in solar term. In Ireland, autumn begins on 1 August and ends 31 October, due to the I… (More on Autumn)