Daily rainfall, frost and wind for Manchester against the 10-year average — the starting point for any weather delay conversation on site.
Weather delay record
M1 1AE · 1 Sept 2025 – 30 Sept 2025
Rainfall over this period was 162% of the 10-year average for the same calendar window at this location. Conditions were materially wetter than typical for the time of year.
Rainfall vs 10-yr avg
162%
176 mm vs 109 mm typical
Rain days >5mm
13
typical: 6.8
Frost days
0
typical: 0.0
High-wind days
0
gusts ≥ 47 mph
Daily record
| Date | Rain (mm) | Min °C | Max °C | Gust (mph) | Flags |
|---|---|---|---|---|---|
| 1 Sept 2025 | 12.9 | 13.9 | 19.1 | 32 | wet |
| 2 Sept 2025 | 3.0 | 11.6 | 19.0 | 20 | |
| 3 Sept 2025 | 7.4 | 13.6 | 18.6 | 28 | wet |
| 4 Sept 2025 | 6.6 | 12.0 | 16.8 | 21 | wet |
| 5 Sept 2025 | 1.1 | 11.8 | 18.1 | 19 | |
| 6 Sept 2025 | 0.0 | 12.4 | 20.8 | 30 | |
| 7 Sept 2025 | 5.5 | 14.2 | 20.8 | 30 | wet |
| 8 Sept 2025 | 4.0 | 11.5 | 17.9 | 22 | |
| 9 Sept 2025 | 0.3 | 10.1 | 19.3 | 21 | |
| 10 Sept 2025 | 4.6 | 13.0 | 18.8 | 34 | |
| 11 Sept 2025 | 7.2 | 10.5 | 15.3 | 33 | wet |
| 12 Sept 2025 | 1.3 | 9.5 | 16.2 | 29 | |
| 13 Sept 2025 | 3.2 | 10.3 | 15.5 | 30 | |
| 14 Sept 2025 | 8.0 | 8.9 | 14.6 | 32 | wet |
| 15 Sept 2025 | 16.5 | 12.5 | 14.3 | 41 | wet |
| 16 Sept 2025 | 6.1 | 12.0 | 15.5 | 34 | wet |
| 17 Sept 2025 | 20.0 | 11.3 | 20.3 | 32 | wet |
| 18 Sept 2025 | 2.4 | 12.3 | 20.9 | 30 | |
| 19 Sept 2025 | 1.2 | 16.1 | 20.4 | 29 | |
| 20 Sept 2025 | 43.1 | 9.5 | 16.0 | 38 | wet |
| 21 Sept 2025 | 8.3 | 7.5 | 13.4 | 32 | wet |
| 22 Sept 2025 | 0.0 | 4.3 | 14.2 | 18 | |
| 23 Sept 2025 | 0.0 | 4.8 | 15.4 | 11 | |
| 24 Sept 2025 | 0.0 | 7.7 | 16.2 | 17 | |
| 25 Sept 2025 | 0.0 | 8.0 | 17.4 | 18 | |
| 26 Sept 2025 | 0.0 | 8.1 | 16.4 | 19 | |
| 27 Sept 2025 | 6.7 | 10.2 | 15.5 | 28 | wet |
| 28 Sept 2025 | 6.8 | 9.7 | 15.8 | 20 | wet |
| 29 Sept 2025 | 0.0 | 6.3 | 14.6 | 6 | |
| 30 Sept 2025 | 0.0 | 8.4 | 16.4 | 14 |
13 days with rainfall over 5 mm in this period.
Data: ERA5 reanalysis via Open-Meteo, taken at the nearest model grid point to the postcode — not a Met Office station record. Baselines are the mean of the same calendar months over the previous 10 years at this location. Whether conditions meet a contractual test (e.g. JCT “exceptionally adverse weather” or an NEC 1-in-10-year event) is a matter for the contract — this is a factual weather record, not advice.
Need this for your exact site and dates?
Run the free tool with your postcode and claim period — print-ready evidence in seconds.
Check your site's dates