Daily Normal of Meteorological Elements for Hong Kong, September 1991-2020
The below figures represent daily mean values of the weather elements calculated from data
in the 30 years from 1991 to 2020 for the 5-day period centred on the day specified.
in the 30 years from 1991 to 2020 for the 5-day period centred on the day specified.
| Date | Mean Pressure (hPa) Figure |
Air Temperature Figure |
Wet Bulb (deg. C) Figure |
Dew Point (deg. C) Figure |
Relative Humidity (%) Figure |
Mean Daily Rainfall (mm) Figure |
Amount of Cloud (%) Figure |
||
|---|---|---|---|---|---|---|---|---|---|
| Mean Maximum (deg. C) |
Mean (deg. C) |
Mean Minimum (deg. C) |
|||||||
| 1-Sep | 1006.6 | 31.2 | 28.6 | 26.7 | 25.9 | 24.7 | 80 | 11.1 | 70 |
| 2-Sep | 1006.8 | 31.0 | 28.4 | 26.6 | 25.8 | 24.7 | 81 | 11.7 | 71 |
| 3-Sep | 1007.0 | 30.8 | 28.3 | 26.5 | 25.8 | 24.7 | 81 | 13.1 | 70 |
| 4-Sep | 1007.1 | 30.8 | 28.3 | 26.4 | 25.8 | 24.7 | 81 | 11.3 | 70 |
| 5-Sep | 1007.2 | 30.7 | 28.3 | 26.4 | 25.7 | 24.7 | 81 | 10.9 | 69 |
| 6-Sep | 1007.4 | 30.7 | 28.3 | 26.4 | 25.7 | 24.6 | 81 | 10.6 | 69 |
| 7-Sep | 1007.7 | 30.8 | 28.3 | 26.4 | 25.6 | 24.5 | 81 | 10.7 | 68 |
| 8-Sep | 1008.0 | 30.8 | 28.2 | 26.4 | 25.6 | 24.4 | 80 | 9.1 | 67 |
| 9-Sep | 1008.4 | 30.7 | 28.2 | 26.3 | 25.5 | 24.3 | 80 | 9.2 | 66 |
| 10-Sep | 1008.6 | 30.8 | 28.2 | 26.3 | 25.4 | 24.2 | 80 | 8.7 | 65 |
| 11-Sep | 1008.7 | 30.8 | 28.2 | 26.3 | 25.3 | 24.1 | 79 | 10.0 | 64 |
| 12-Sep | 1008.5 | 30.8 | 28.2 | 26.2 | 25.2 | 23.9 | 79 | 12.1 | 64 |
| 13-Sep | 1008.2 | 30.9 | 28.2 | 26.2 | 25.1 | 23.8 | 78 | 14.5 | 64 |
| 14-Sep | 1008.0 | 30.8 | 28.1 | 26.1 | 25.1 | 23.7 | 78 | 18.0 | 64 |
| 15-Sep | 1008.0 | 30.8 | 28.1 | 26.1 | 25.0 | 23.6 | 78 | 18.3 | 64 |
| 16-Sep | 1008.1 | 30.7 | 28.1 | 26.1 | 25.0 | 23.5 | 77 | 15.9 | 65 |
| 17-Sep | 1008.4 | 30.7 | 28.1 | 26.2 | 25.0 | 23.6 | 77 | 13.3 | 65 |
| 18-Sep | 1008.9 | 30.6 | 28.1 | 26.1 | 25.0 | 23.6 | 77 | 10.5 | 64 |
| 19-Sep | 1009.4 | 30.5 | 28.0 | 26.0 | 24.8 | 23.4 | 77 | 9.3 | 65 |
| 20-Sep | 1009.5 | 30.4 | 27.9 | 25.9 | 24.6 | 23.1 | 76 | 8.2 | 65 |
| 21-Sep | 1009.5 | 30.3 | 27.8 | 25.8 | 24.5 | 22.9 | 76 | 9.2 | 65 |
| 22-Sep | 1009.6 | 30.1 | 27.6 | 25.6 | 24.3 | 22.8 | 76 | 10.4 | 67 |
| 23-Sep | 1009.9 | 29.9 | 27.4 | 25.6 | 24.3 | 22.7 | 76 | 11.3 | 67 |
| 24-Sep | 1010.1 | 29.9 | 27.4 | 25.6 | 24.3 | 22.8 | 77 | 9.9 | 67 |
| 25-Sep | 1010.3 | 29.9 | 27.4 | 25.7 | 24.3 | 22.8 | 77 | 9.3 | 65 |
| 26-Sep | 1010.4 | 29.9 | 27.4 | 25.7 | 24.2 | 22.8 | 77 | 8.4 | 64 |
| 27-Sep | 1010.5 | 30.0 | 27.4 | 25.6 | 24.2 | 22.6 | 76 | 6.6 | 61 |
| 28-Sep | 1010.6 | 30.0 | 27.4 | 25.6 | 24.1 | 22.6 | 76 | 5.9 | 61 |
| 29-Sep | 1010.8 | 29.9 | 27.4 | 25.6 | 24.1 | 22.5 | 76 | 5.0 | 61 |
| 30-Sep | 1011.0 | 29.8 | 27.3 | 25.5 | 24.1 | 22.5 | 76 | 5.2 | 61 |
| Observed at | Hong Kong Observatory | ||||||||
| Date | Bright Sunshine Duration (hours) Figure |
Wind Figure |
Sea Temperature Figure |
||
|---|---|---|---|---|---|
| Prevailing Direction (degrees) |
Mean Speed (km/h) |
AM (deg. C) |
PM (deg. C) |
||
| 1-Sep | 5.3 | 90 | 17 | 26.8 | 27.1 |
| 2-Sep | 5.0 | 80 | 17 | 26.8 | 27.1 |
| 3-Sep | 5.1 | 90 | 17 | 26.7 | 27.1 |
| 4-Sep | 5.2 | 90 | 17 | 26.7 | 27.0 |
| 5-Sep | 5.3 | 90 | 18 | 26.6 | 27.1 |
| 6-Sep | 5.5 | 90 | 18 | 26.6 | 27.1 |
| 7-Sep | 5.8 | 90 | 18 | 26.7 | 27.1 |
| 8-Sep | 6.0 | 80 | 18 | 26.7 | 27.2 |
| 9-Sep | 5.9 | 80 | 18 | 26.7 | 27.2 |
| 10-Sep | 6.1 | 80 | 18 | 26.8 | 27.2 |
| 11-Sep | 6.2 | 80 | 19 | 26.9 | 27.2 |
| 12-Sep | 6.2 | 80 | 19 | 26.9 | 27.2 |
| 13-Sep | 6.0 | 80 | 22 | 26.9 | 27.2 |
| 14-Sep | 5.9 | 80 | 23 | 27.0 | 27.3 |
| 15-Sep | 5.8 | 80 | 23 | 27.1 | 27.4 |
| 16-Sep | 5.8 | 80 | 23 | 27.1 | 27.5 |
| 17-Sep | 5.8 | 90 | 23 | 27.1 | 27.5 |
| 18-Sep | 6.0 | 90 | 22 | 27.1 | 27.5 |
| 19-Sep | 6.0 | 90 | 22 | 27.2 | 27.5 |
| 20-Sep | 6.2 | 90 | 22 | 27.2 | 27.5 |
| 21-Sep | 6.0 | 90 | 22 | 27.2 | 27.5 |
| 22-Sep | 5.6 | 80 | 24 | 27.2 | 27.5 |
| 23-Sep | 5.5 | 80 | 26 | 27.2 | 27.5 |
| 24-Sep | 5.6 | 80 | 26 | 27.1 | 27.5 |
| 25-Sep | 5.7 | 80 | 26 | 27.1 | 27.4 |
| 26-Sep | 5.9 | 80 | 26 | 27.1 | 27.5 |
| 27-Sep | 6.3 | 80 | 24 | 27.1 | 27.5 |
| 28-Sep | 6.3 | 80 | 23 | 27.2 | 27.6 |
| 29-Sep | 6.3 | 80 | 23 | 27.2 | 27.7 |
| 30-Sep | 6.2 | 80 | 23 | 27.3 | 27.7 |
| Observed at | King's Park | Waglan Island | North Point | ||
Figure 1. Daily Normals mean pressure at September (1991-2020)
Figure 2. Daily Normals air temperature at September (1991-2020)
Figure 3. Daily Normals wet-bulb temperature and dew point temperature at September (1991-2020)
Figure 4. Daily Normals relative humdity at September (1991-2020)
Figure 5. Daily Normals mean daily rainfall at September (1991-2020)
Figure 6. Daily Normals mean daily Bright Sunshine Duration at September (1991-2020)
Figure 7. Daily Normals mean wind at September (1991-2020)
Figure 8. Daily Normals mean sea temperature at September (1991-2020)