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 21.9°C in London. Mild, comfortable temperatures.
The most extreme day in this period:
Hottest day: 26.4°C
Average humidity of 71% indicates persistently moist air conditions. Heat sensation amplified during warm periods (21.9°C average temperature).