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.
The beginning of autumn can still be quite hot and humid and frequented by typhoons, however most of this season brings a more endurable and enjoyable weather climate. This is also a great time to visit Japan. From September to November cool breezes are refreshing compared to the sweltering summer heat and humidity.