Daily Normals of Meteorological Elements for Hong Kong, September 1961-1990
The below figures represent daily mean values of the weather elements calculated from data
in the 30 years from 1961 to 1990 for the 5-day period centred on the day specified.
in the 30 years from 1961 to 1990 for the 5-day period centred on the day specified.
| Date | Mean Pressure (hPa) Figure |
Air Temperature Figure |
Relative Humidity (%) Figure |
Mean Daily Rainfall (mm) Figure |
Amount of Cloud (%) Figure |
||
|---|---|---|---|---|---|---|---|
| Mean Maximum (deg. C) |
Mean (deg. C) |
Mean Minimum (deg. C) |
|||||
| Sep 01 | 1006.5 | 31.0 | 28.1 | 25.9 | 81 | 12.3 | 65 |
| Sep 02 | 1006.6 | 31.1 | 28.1 | 25.9 | 81 | 13.3 | 65 |
| Sep 03 | 1006.5 | 31.0 | 28.1 | 25.9 | 81 | 13.6 | 66 |
| Sep 04 | 1006.7 | 30.9 | 28.1 | 25.9 | 81 | 13.1 | 66 |
| Sep 05 | 1006.9 | 31.0 | 28.2 | 25.9 | 81 | 12.6 | 65 |
| Sep 06 | 1007.1 | 31.1 | 28.2 | 25.9 | 81 | 13.1 | 65 |
| Sep 07 | 1007.1 | 30.9 | 28.1 | 25.9 | 80 | 14.4 | 64 |
| Sep 08 | 1007.4 | 30.9 | 28.0 | 25.8 | 80 | 13.8 | 63 |
| Sep 09 | 1007.5 | 30.9 | 28.0 | 25.8 | 79 | 13.3 | 60 |
| Sep 10 | 1007.6 | 30.9 | 27.9 | 25.7 | 78 | 12.9 | 60 |
| Sep 11 | 1007.7 | 30.9 | 27.9 | 25.7 | 78 | 11.0 | 60 |
| Sep 12 | 1008.0 | 30.8 | 27.9 | 25.6 | 77 | 8.2 | 60 |
| Sep 13 | 1008.4 | 30.8 | 27.9 | 25.7 | 77 | 6.4 | 61 |
| Sep 14 | 1008.6 | 30.7 | 27.9 | 25.7 | 77 | 5.6 | 63 |
| Sep 15 | 1008.9 | 30.6 | 27.8 | 25.7 | 76 | 5.8 | 63 |
| Sep 16 | 1009.2 | 30.6 | 27.8 | 25.6 | 76 | 5.7 | 62 |
| Sep 17 | 1009.4 | 30.5 | 27.7 | 25.6 | 76 | 6.5 | 62 |
| Sep 18 | 1009.6 | 30.4 | 27.7 | 25.5 | 76 | 6.6 | 61 |
| Sep 19 | 1009.8 | 30.3 | 27.6 | 25.5 | 76 | 6.2 | 61 |
| Sep 20 | 1009.9 | 30.2 | 27.5 | 25.3 | 77 | 6.9 | 63 |
| Sep 21 | 1010.0 | 30.1 | 27.4 | 25.2 | 77 | 8.4 | 64 |
| Sep 22 | 1010.1 | 29.9 | 27.2 | 25.1 | 77 | 8.1 | 64 |
| Sep 23 | 1010.3 | 29.7 | 27.1 | 25.0 | 78 | 9.2 | 65 |
| Sep 24 | 1010.5 | 29.6 | 27.0 | 24.9 | 78 | 9.5 | 64 |
| Sep 25 | 1010.6 | 29.6 | 26.9 | 24.9 | 78 | 10.3 | 64 |
| Sep 26 | 1010.8 | 29.5 | 26.9 | 24.9 | 78 | 9.1 | 64 |
| Sep 27 | 1010.9 | 29.5 | 26.8 | 24.9 | 78 | 10.5 | 64 |
| Sep 28 | 1010.9 | 29.3 | 26.7 | 24.8 | 78 | 10.5 | 64 |
| Sep 29 | 1011.0 | 29.2 | 26.6 | 24.7 | 78 | 9.7 | 64 |
| Sep 30 | 1011.3 | 29.1 | 26.5 | 24.6 | 78 | 7.9 | 63 |
| Observed at | Hong Kong Observatory | ||||||
| Date | Bright Sunshine Duration (hours) Figure |
Wind Figure |
|
|---|---|---|---|
| Prevailing Direction (degrees) |
Mean Speed (km/h) |
||
| Sep 01 | 6.2 | 090 | 17 |
| Sep 02 | 6.4 | 090 | 18 |
| Sep 03 | 6.2 | 090 | 20 |
| Sep 04 | 6.3 | 090 | 20 |
| Sep 05 | 6.5 | 090 | 21 |
| Sep 06 | 6.6 | 090 | 21 |
| Sep 07 | 6.5 | 090 | 21 |
| Sep 08 | 6.5 | 090 | 20 |
| Sep 09 | 6.7 | 090 | 19 |
| Sep 10 | 6.6 | 090 | 18 |
| Sep 11 | 6.7 | 090 | 18 |
| Sep 12 | 6.5 | 090 | 18 |
| Sep 13 | 6.5 | 090 | 18 |
| Sep 14 | 6.2 | 090 | 19 |
| Sep 15 | 6.2 | 090 | 20 |
| Sep 16 | 6.1 | 090 | 20 |
| Sep 17 | 6.1 | 090 | 21 |
| Sep 18 | 6.2 | 090 | 22 |
| Sep 19 | 6.2 | 090 | 23 |
| Sep 20 | 6.0 | 090 | 23 |
| Sep 21 | 5.9 | 090 | 24 |
| Sep 22 | 5.7 | 090 | 24 |
| Sep 23 | 5.5 | 090 | 23 |
| Sep 24 | 5.5 | 090 | 24 |
| Sep 25 | 5.5 | 090 | 25 |
| Sep 26 | 5.4 | 090 | 24 |
| Sep 27 | 5.5 | 090 | 25 |
| Sep 28 | 5.5 | 090 | 27 |
| Sep 29 | 5.5 | 090 | 27 |
| Sep 30 | 5.5 | 090 | 27 |
| Observed at | King's Park | Waglan Island | |
Figure 1. Daily Normals mean pressure at September (1961-1990)
Figure 2. Daily Normals air temperature at September (1961-1990)
Figure 3. Figure 3. Daily Normals relative humdity at September (1961-1990)
Figure 4. Daily Normals mean daily rainfall at September (1961-1990)
Figure 5. Daily Normals mean daily Bright Sunshine Duration at September (1961-1990)
Figure 6. Daily Normals mean wind at September (1961-1990)