Daily rainfall, frost and wind for Sheffield against the 10-year average — the starting point for any weather delay conversation on site.
Weather delay record
S1 2BJ · 1 Sept 2025 – 30 Sept 2025
Rainfall over this period was 109% of the 10-year average for the same calendar window at this location. Conditions were broadly in line with typical for the time of year. 1 day had gusts at or above 47 mph.
Rainfall vs 10-yr avg
109%
81 mm vs 75 mm typical
Rain days >5mm
4
typical: 5.0
Frost days
0
typical: 0.0
High-wind days
1
gusts ≥ 47 mph
Daily record
| Date | Rain (mm) | Min °C | Max °C | Gust (mph) | Flags |
|---|---|---|---|---|---|
| 1 Sept 2025 | 1.1 | 13.1 | 19.4 | 33 | |
| 2 Sept 2025 | 0.8 | 11.0 | 18.7 | 25 | |
| 3 Sept 2025 | 3.1 | 13.9 | 19.0 | 29 | |
| 4 Sept 2025 | 9.7 | 12.0 | 15.7 | 24 | wet |
| 5 Sept 2025 | 0.0 | 12.4 | 18.9 | 23 | |
| 6 Sept 2025 | 0.0 | 12.4 | 20.9 | 29 | |
| 7 Sept 2025 | 0.6 | 14.6 | 21.8 | 27 | |
| 8 Sept 2025 | 0.1 | 11.7 | 18.3 | 22 | |
| 9 Sept 2025 | 0.0 | 9.5 | 19.5 | 21 | |
| 10 Sept 2025 | 3.4 | 12.4 | 18.2 | 31 | |
| 11 Sept 2025 | 1.2 | 10.5 | 16.3 | 33 | |
| 12 Sept 2025 | 0.1 | 9.4 | 16.6 | 31 | |
| 13 Sept 2025 | 1.5 | 10.4 | 15.8 | 28 | |
| 14 Sept 2025 | 4.1 | 9.3 | 14.8 | 32 | |
| 15 Sept 2025 | 3.3 | 12.8 | 15.5 | 47 | wind |
| 16 Sept 2025 | 2.0 | 11.9 | 16.0 | 35 | |
| 17 Sept 2025 | 14.5 | 11.0 | 20.4 | 32 | wet |
| 18 Sept 2025 | 0.7 | 13.2 | 21.7 | 36 | |
| 19 Sept 2025 | 0.0 | 15.7 | 20.5 | 28 | |
| 20 Sept 2025 | 18.2 | 10.5 | 17.4 | 36 | wet |
| 21 Sept 2025 | 10.2 | 8.2 | 13.1 | 46 | wet |
| 22 Sept 2025 | 0.0 | 5.5 | 13.6 | 19 | |
| 23 Sept 2025 | 0.0 | 6.8 | 14.8 | 13 | |
| 24 Sept 2025 | 0.0 | 8.1 | 14.8 | 18 | |
| 25 Sept 2025 | 0.0 | 6.6 | 16.7 | 22 | |
| 26 Sept 2025 | 0.0 | 6.0 | 15.3 | 19 | |
| 27 Sept 2025 | 2.9 | 8.1 | 15.1 | 28 | |
| 28 Sept 2025 | 3.8 | 9.9 | 16.4 | 19 | |
| 29 Sept 2025 | 0.0 | 5.6 | 16.2 | 11 | |
| 30 Sept 2025 | 0.0 | 8.2 | 16.7 | 16 |
4 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.
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