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 17.7°C in Copenhagen. Cool, fresh conditions.
Consistent temperatures with only 9.2°C variation.
55mm of rain over 30 days.
The most extreme days in this period:
Hottest day: 19.9°C
Hottest day: 19.9°C
Average humidity of 79% indicates persistently moist air conditions. Heat sensation amplified during warm periods (17.7°C average temperature).
Stable humidity conditions with only 21% variation (66%-87%). Predictable moisture levels throughout period.