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.
Tokyo Yearly Weather Forecast. Summer (June-August) â Japan Summer climate begins in June with the rainy season, which lasts between 3 weeks to 1 month. Although it doesnât rain every day, rain can be heavy.When the rainy season ends, the climate of Japan becomes hot and humid. Autumn (Weather in September-November) is my personal favorite.October here means pleasant temperatures during the day and a clear sky. Night temperatures drop significantly, so bring something warm for the evening.okyo Yearly Weather Forecast. Summer (June-August) â Japan Summer climate begins in June with the rainy season, which lasts between 3 weeks to 1 month. Although it doesnât rain every day, rain can be heavy.