September in Bergen averages a daily high of 16.5°C with nights around 10.2°C. Expect roughly 19.5 wet days totalling 251.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Bergen is June–August.
Based on BERGEN FLORIDA, NO (1.2km), 1995–2024. 30 years of September data.