Oslo County, Norway, a region in Norway, typically experiences mild weather in September, with maximum daytime temperatures around 16°C (61°F) and nighttime temperatures around 7°C (45°F) in Oslo.
What is the temperature of the different cities in Oslo County, Norway in September?
To get a sense of September's typical temperatures in the key spots of Oslo County, explore the map below. Click on a point for an in-depth look.