September 2025 Weather Report Card
September 2025 was the 46th warmest September in Reading since 1940
Temperature
High: 24.8°C · Low: 5.1°C
Mean: 14.3°C (average for September: 14.4°C)
Rainfall
Total: 57.4mm (average: 51.4mm)
Wettest day: Wednesday 3 September (21mm)
Sunshine
Total: 275.4h (average: 239.3h)
Sunniest day: Monday 1 September (12.8h sun)
The month at a glance
Most common condition: rainy
Longest streak: 6 consecutive dry days ☀️
Notable days
86 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