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9-day Weather Forecast

Bulletin updated at 14:45 HKT 23/Sep/2025

9-Day Weather Forecast

General Situation:
Tropical Cyclone Ragasa will edge closer to the vicinity of
the Pearl River Estuary to the coast of western Guangdong
today and tomorrow. Under its influence, there will be
frequent heavy squally showers, thunderstorms and
significant storm surge over the coast of Guangdong
tomorrow. Seas will be phenomenal with swells. With the
departure of Ragasa, the weather will improve with showers
easing off gradually in the latter part of this week.
Besides, the broad area of low pressure over the western
North Pacific will develop gradually in the next couple of
days. It will move across the Philippines and enter the
South China Sea, with a higher chance of moving towards
Hainan Island and the seas south of it subsequently.

Date/Month 24/9 (Wednesday)
Wind: East to northeast force 9 to 10, up to force 12
offshore and on high ground at first. Becoming southeast.
Force 7 to 8 later.
Weather: Overcast with frequent heavy squally showers,
thunderstorms and significant storm surge. Seas will be
phenomenal with swells.
Temp Range: 24 - 28 C
R.H. Range: 80 - 95 Per Cent
PSR: High

Date/Month 25/9(Thursday)
Wind: East to southeast force 5 to 6, force 7 offshore and
on high ground at first.
Weather: Cloudy with squally showers and thunderstorms.
Showers will be heavy at first. Seas will be very rough with
swells.
Temp Range: 25 - 29 C
R.H. Range: 80 - 95 Per Cent
PSR: High

Date/Month 26/9(Friday)
Wind: East force 4, occasionally force 5.
Weather: Mainly cloudy with a few showers. Isolated
thunderstorms at first. Sunny intervals during the day.
Temp Range: 26 - 31 C
R.H. Range: 70 - 95 Per Cent
PSR: Medium Low

Date/Month 27/9(Saturday)
Wind: East to northeast force 4, occasionally force 5.
Weather: Sunny periods and one or two showers.
Temp Range: 28 - 32 C
R.H. Range: 65 - 90 Per Cent
PSR: Low

Date/Month 28/9(Sunday)
Wind: East force 4.
Weather: Mainly cloudy with a few showers. Sunny intervals
during the day.
Temp Range: 27 - 31 C
R.H. Range: 70 - 95 Per Cent
PSR: Medium Low

Date/Month 29/9(Monday)
Wind: East to southeast force 4.
Weather: Mainly cloudy with a few showers.
Temp Range: 27 - 31 C
R.H. Range: 70 - 95 Per Cent
PSR: Medium Low

Date/Month 30/9(Tuesday)
Wind: East to southeast force 4.
Weather: Sunny intervals and a few showers.
Temp Range: 27 - 32 C
R.H. Range: 65 - 90 Per Cent
PSR: Medium Low

Date/Month 1/10(Wednesday)
Wind: East to southeast force 3.
Weather: Sunny intervals and a few showers.
Temp Range: 27 - 32 C
R.H. Range: 65 - 90 Per Cent
PSR: Medium Low

Date/Month 2/10(Thursday)
Wind: East force 3.
Weather: Mainly cloudy with a few showers. Sunny intervals
during the day.
Temp Range: 27 - 31 C
R.H. Range: 70 - 95 Per Cent
PSR: Medium Low

Sea surface temperature at 2 p.m.23/9/2025 at North Point
was 27 degrees C.

Soil temperatures at 7 a.m.23/9/2025 at the Hong Kong
Observatory:
0.5 M below surface was 29.1 degrees C.
1.0 M below surface was 29.7 degrees C.

Weather Cartoons for 9-day weather forecast
Day 1 cartoon no. 64 - Heavy Rain
Day 2 cartoon no. 64 - Heavy Rain
Day 3 cartoon no. 54 - Sunny Intervals with Showers
Day 4 cartoon no. 53 - Sunny Periods with A Few Showers
Day 5 cartoon no. 54 - Sunny Intervals with Showers
Day 6 cartoon no. 62 - Light Rain
Day 7 cartoon no. 54 - Sunny Intervals with Showers
Day 8 cartoon no. 54 - Sunny Intervals with Showers
Day 9 cartoon no. 54 - Sunny Intervals with Showers

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