Oslo vs Bergen

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.

Oslo sits in the comfortable travel range at 16°C. Bergen is cooler at 14°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.

Oslo reaches an average high of 16°C (61°F) and drops to 9°C (48°F) at night during September. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Bergen averages 14°C (57°F) for the high and 9°C (48°F) for the low, with a daily range of 5°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.

Oslo receives approximately 87 mm of rainfall across 11 rain days during September. You can expect rain roughly every other day.

Bergen sees 245 mm over 18 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%.