Bergen vs Oslo

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Oslo edges ahead as the better destination in September. Oslo offers 8 hours of daily sunshine with only 11 rain days, while Bergen sees 7 sunshine hours and 18 rain days.

Bergen is on the cooler side at 14°C, requiring warmer clothing. Oslo is also comfortable at 16°C.

For travelers who prioritize dry weather, Oslo is the stronger choice in September. Oslo receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Bergen reaches an average high of 14°C (57°F) and drops to 9°C (48°F) at night during September. The daily temperature range is 5°C, meaning relatively stable temperatures from day to night.

Oslo averages 16°C (61°F) for the high and 9°C (48°F) for the low, with a daily range of 7°C. The 2°C difference is noticeable but not dramatic.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

Bergen receives approximately 245 mm of rainfall across 18 rain days during September. Rain is frequent, so waterproof gear is essential.

Oslo sees 87 mm over 11 rain days. That makes Oslo the drier option by 7 rain days and 158 mm of total precipitation.

Both cities share similar humidity levels at 65%.