September 2026
Historical dataDaily high, low, and average
Load the same period from the previous 15 years.
Key findings from analysis for selected period
Average highs of 16.1°C in Oslo. Cool, fresh conditions.
Consistent temperatures with only 11.7°C variation.
The most extreme day in this period:
Hottest day: 18.9°C
Average humidity of 81% indicates persistently moist air conditions. Heat sensation amplified during warm periods (16.1°C average temperature).