OCN is a three letter abbreviation that stands for: 1  OCLC Control Number, a bibliographic record identifier. 2  In Oncology nursing, an Oncology Certified Nurse. 3  Opaskwayak Cree Nation. 4  Open College Network.
Autumn is from September to November and is characterised by light breezes and cooler temperatures of around 46-50ÂºF. Itâs during autumn that many exhibitions, music concerts and sports tournaments are held in Japan.
Visitorâs to Japanâs most populous city, Tokyo, should expect daytime high temperatures in the 70s (Fahrenheit) in the beginning of the month and the 60s later in the month. Nightly lows in Tokyo in October average in the 50s. Nagasaki, Osaka and Nagano experience temperatures similar to Tokyoâs, with temperatures in Nagasaki and Osaka running a few degrees higher and Naganoâs temperatures averaging a few degrees cooler.