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Daily Normal of Meteorological Elements for Hong Kong, September 1981-2010



The below figures represent daily mean values of the weather elements calculated from data
in the 30 years from 1981 to 2010 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 1006.2 31.2 28.7 26.7 25.8 24.7 80 10.6 67
2 Sep 1006.4 31.0 28.6 26.6 25.8 24.6 80 11.0 68
3 Sep 1006.6 30.9 28.5 26.5 25.7 24.6 80 10.6 68
4 Sep 1006.8 30.7 28.3 26.3 25.6 24.5 81 10.6 70
5 Sep 1007.0 30.5 28.2 26.3 25.6 24.5 81 11.6 70
6 Sep 1007.2 30.5 28.2 26.2 25.5 24.4 81 11.3 69
7 Sep 1007.4 30.5 28.1 26.2 25.4 24.3 80 12.3 68
8 Sep 1007.8 30.5 28.1 26.1 25.4 24.2 80 12.8 67
9 Sep 1008.0 30.4 28.0 26.1 25.3 24.0 80 11.9 65
10 Sep 1008.1 30.5 28.0 26.1 25.2 23.9 79 10.4 65
11 Sep 1008.3 30.5 28.0 26.1 25.1 23.8 79 11.7 63
12 Sep 1008.4 30.4 27.9 26.0 25.0 23.6 78 13.3 64
13 Sep 1008.4 30.3 27.9 25.9 24.9 23.5 78 14.7 64
14 Sep 1008.6 30.3 27.9 25.9 24.9 23.5 78 17.5 64
15 Sep 1008.7 30.2 27.8 25.9 24.8 23.4 78 18.2 64
16 Sep 1008.8 30.2 27.8 25.9 24.8 23.4 78 15.5 66
17 Sep 1009.0 30.2 27.8 26.0 24.8 23.4 78 12.8 66
18 Sep 1009.2 30.2 27.8 25.9 24.7 23.3 78 10.8 65
19 Sep 1009.5 30.1 27.7 25.8 24.6 23.2 78 9.4 66
20 Sep 1009.6 30.0 27.6 25.7 24.5 23.0 77 8.5 66
21 Sep 1009.7 29.8 27.5 25.5 24.4 22.8 77 9.1 66
22 Sep 1009.9 29.6 27.3 25.4 24.2 22.7 77 8.9 67
23 Sep 1010.2 29.4 27.1 25.3 24.1 22.7 78 9.8 67
24 Sep 1010.4 29.4 27.1 25.2 24.0 22.6 77 8.7 66
25 Sep 1010.7 29.4 27.1 25.3 24.0 22.5 77 8.0 65
26 Sep 1011.0 29.3 27.0 25.3 23.9 22.5 77 7.7 64
27 Sep 1011.2 29.3 26.9 25.2 23.9 22.4 77 8.3 63
28 Sep 1011.3 29.3 26.9 25.2 23.8 22.4 77 6.9 64
29 Sep 1011.5 29.3 26.9 25.2 23.8 22.4 77 5.3 64
30 Sep 1011.8 29.2 26.8 25.1 23.8 22.3 77 5.6 64
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 6.1 090 17 27.0 27.4
2 Sep 5.7 090 18 27.0 27.4
3 Sep 5.7 090 19 27.0 27.3
4 Sep 5.6 090 20 27.0 27.3
5 Sep 5.6 090 21 27.0 27.3
6 Sep 5.7 090 21 26.9 27.3
7 Sep 5.9 090 21 26.9 27.4
8 Sep 6.0 090 21 26.9 27.4
9 Sep 6.0 090 21 26.9 27.5
10 Sep 6.0 080 20 27.0 27.5
11 Sep 6.0 080 20 27.1 27.5
12 Sep 5.8 080 21 27.0 27.5
13 Sep 5.6 080 21 27.1 27.5
14 Sep 5.6 080 21 27.1 27.5
15 Sep 5.7 090 22 27.2 27.5
16 Sep 5.6 090 22 27.2 27.6
17 Sep 5.7 090 22 27.3 27.6
18 Sep 5.8 090 22 27.3 27.7
19 Sep 5.8 090 23 27.3 27.6
20 Sep 5.7 090 23 27.3 27.6
21 Sep 5.6 090 23 27.3 27.6
22 Sep 5.4 090 25 27.3 27.5
23 Sep 5.3 080 26 27.2 27.5
24 Sep 5.5 080 27 27.2 27.5
25 Sep 5.7 080 27 27.1 27.5
26 Sep 5.8 080 27 27.1 27.5
27 Sep 6.0 090 27 27.1 27.5
28 Sep 6.0 090 26 27.1 27.5
29 Sep 5.9 080 26 27.1 27.6
30 Sep 5.6 080 27 27.2 27.5
Observed at King's Park Waglan Island North Point

Figure 1. Daily Normals of mean pressure at September (1981-2010)


Figure 1. Daily Normals mean pressure at September (1981-2010)


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Figure 2. Daily Normals air temperature at September (1981-2010)


Figure 2. Daily Normals air temperature at September (1981-2010)


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Figure 3. Daily Normals wet-bulb temperature and dew point at September (1981-2010)


Figure 3. Daily Normals wet-bulb temperature and dew point temperature at September (1981-2010)


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Figure 4. Daily Normals relative humdity at September (1981-2010)


Figure 4. Daily Normals relative humdity at September (1981-2010)


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Figure 5. Figure 3. Daily Normals mean daily rainfall at September (1981-2010)


Figure 5. Daily Normals mean daily rainfall at September (1981-2010)


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Figure 6. Daily Normals mean daily Bright Sunshine Duration at September (1981-2010)


Figure 6. Daily Normals mean daily Bright Sunshine Duration at September (1981-2010)


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Figure 7. Daily Normals mean wind at September (1981-2010)


Figure 7. Daily Normals mean wind at September (1981-2010)


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Figure 8. Daily Normals mean sea temperature at September (1981-2010)


Figure 8. Daily Normals mean sea temperature at September (1981-2010)


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