Cambridge Weather Summary September 2022 Based on 30 days' worth of half-hourly data recorded with rooftop sensors at the Computer Laboratory, Cambridge, U.K. Temperature (degrees C) Average: 13.7 Minimum: 2.4 (29 September 02:00) Maximum: 24.8 (04 September 15:00) Relative Humidity (%) Average: 71.8 Minimum: 14 (01 September 13:00) Maximum: 100 (01 September 02:00) Dew Point (degrees C) Average: 8.2 Minimum: -12.7 (17 September 15:00) Maximum: 19.3 (12 September 19:00) Atmospheric Pressure (mbar) Average: 1013.0 Minimum: 995 (30 September 19:00) Maximum: 1029 (20 September 20:30) Half-hourly Instantaneous Wind Speed (knots) Average: 2.3 Minimum: 0.0 (02 September 01:30) Maximum: 24.0 (30 September 17:30) Half-hourly Maximum Wind Speed (knots) Average: 8.1 Minimum: 0 (02 September 05:00) Maximum: 34 (30 September 14:00) Prevalent Wind Direction NW (28.8% of readings) Total Sunshine Hours 178.7 Total Rainfall mm 31.7