September 2026 — Month in Progress
September 2026 is on track to be the 5th warmest September in Reading since 1940, with 17 days still to go
Day 13 of 30 · 17 days to go · data as of 2026-09-13
Temperature so far
Mean: 17.2°C vs 15.3°C historic mean-to-date (1.9°C above the historic average)
Projected month mean: 16.4°C if the rest of the month tracks the historic average
Rainfall so far
Total: 23.1mm vs 20mm historic total-to-date (3.1mm above the historic average)
On track for 54.6mm this month — the 33rd wettest September in Reading since 1940, if the rest of the month plays out like average
Sunshine so far
Total: 100.9h vs 109.5h historic total-to-date (8.6h below the historic average)
Projected month total: 230.7h
Weather conditions are sourced from ERA5 reanalysis data and should be treated as an approximate guide only. Projections assume the rest of the month tracks the historic average and are not a forecast.