September 2026 Weather Report Card
September 2026 was the 3rd warmest September in Reading since 1940
Temperature
High: 26.4°C · Low: 8.5°C
Mean: 17.1°C (average for September: 14.4°C)
Rainfall
Total: 33.4mm (average: 51.2mm)
Wettest day: Tuesday 8 September (16.3mm)
Sunshine
Total: 254.5h (average: 239.5h)
Sunniest day: Saturday 5 September (12.7h sun)
The month at a glance
Most common condition: rainy
Longest streak: 7 consecutive dry days
Notable days
87 years of records
- Hottest day: 30.5°C — Saturday 9 September, 2023
- Coldest day: 1.7°C — Tuesday 30 September, 1969
- Wettest day: 38.3mm — Monday 23 September, 2024
Weather conditions are sourced from ERA5 reanalysis data and should be treated as an approximate guide only