Bulletin updated at 11:30 HKT 19/Sep/2026
9-Day Weather Forecast General Situation: An anticyclone aloft will bring generally fine weather to southern China tomorrow. It will be very hot over inland areas. High temperatures will also trigger showers. Winds will be weak over Guangdong early next week. Meanwhile, under the influence of upper-air disturbances, there will be a few showers over the region. The northeast monsoon is expected to affect the coast of southern China gradually midweek next week. The weather will be mainly fine over the region. A broad trough of low pressure will bring unsettled weather to the seas east of the Philippines to the central part of the South China Sea in the middle to latter parts of next week. Besides, Tropical Cyclone Dujuan will move across the seas south of Japan in the next couple of days. Date/Month 20/9 (Sunday) Wind: East to northeast force 2 to 3. Weather: Sunny periods. Dry and hot during the day. Isolated showers later. Temp Range: 27 - 32 C R.H. Range: 55 - 90 Per Cent PSR: Low Date/Month 21/9(Monday) Wind: Northeast force 2 to 3. Weather: Mainly cloudy with a few showers and isolated thunderstorms. Sunny intervals during the day. Temp Range: 27 - 31 C R.H. Range: 70 - 95 Per Cent PSR: Medium Low Date/Month 22/9(Tuesday) Wind: Light winds force 2, becoming east force 3 to 4. Weather: Mainly cloudy with a few showers. Sunny intervals during the day. Temp Range: 27 - 31 C R.H. Range: 65 - 95 Per Cent PSR: Medium Low Date/Month 23/9(Wednesday) Wind: East force 4. Weather: Sunny periods and isolated showers. Temp Range: 27 - 31 C R.H. Range: 60 - 90 Per Cent PSR: Low Date/Month 24/9(Thursday) Wind: East force 4. Weather: Mainly fine. Cloudy periods in the morning and at night. Temp Range: 27 - 31 C R.H. Range: 55 - 85 Per Cent PSR: Low Date/Month 25/9(Friday) Wind: East force 3 to 4. Weather: Mainly cloudy with isolated showers. Sunny periods during the day. Temp Range: 27 - 31 C R.H. Range: 65 - 90 Per Cent PSR: Low Date/Month 26/9(Saturday) Wind: East force 3. Weather: Mainly cloudy and isolated showers. Sunny periods during the day. Temp Range: 27 - 31 C R.H. Range: 65 - 90 Per Cent PSR: Low Date/Month 27/9(Sunday) Wind: Light winds force 2. Weather: Sunny periods and isolated showers. Hot during the day. Temp Range: 27 - 32 C R.H. Range: 60 - 90 Per Cent PSR: Low Date/Month 28/9(Monday) Wind: Southeast force 3. Weather: Sunny periods and one or two showers. Hot during the day. Temp Range: 27 - 32 C R.H. Range: 60 - 90 Per Cent PSR: Medium Low Sea surface temperature at 7 a.m.19/9/2026 at North Point was 27 degrees C. Soil temperatures at 7 a.m.19/9/2026 at the Hong Kong Observatory: 0.5 M below surface was 29.9 degrees C. 1.0 M below surface was 29.9 degrees C. Weather Cartoons for 9-day weather forecast Day 1 cartoon no. 51 - SUNNY PERIODS Day 2 cartoon no. 54 - Sunny Intervals with Showers Day 3 cartoon no. 54 - Sunny Intervals with Showers Day 4 cartoon no. 51 - SUNNY PERIODS Day 5 cartoon no. 51 - SUNNY PERIODS Day 6 cartoon no. 51 - SUNNY PERIODS Day 7 cartoon no. 51 - SUNNY PERIODS Day 8 cartoon no. 51 - SUNNY PERIODS Day 9 cartoon no. 53 - Sunny Periods with A Few Showers
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