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Climatological Information for 12 September (1981-2010)

Maximum air temperature 30.4 deg. C
Air temperature 27.9 deg. C
Minimum air temperature 26.0 deg. C
Relative humidity 78 %
Rainfall 13.3 mm
Cloud amount 64 %
Bright sunshine duration 5.8 hours
Prevailing wind direction 080 degrees
Wind speed 21 km/h
Atmospheric pressure 1008.4 hPa

The above 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.

The prevailing wind direction is the wind direction most frequently observed during the period.

All data were recorded at the Hong Kong Observatory except sunshine duration which was recorded at King's Park and winds at Waglan Island.

Monthly normal and extreme values for September

Last revision date: <4 May 2003>