9-DAY WEATHER FORECAST


9-DAY WEATHER FORECAST
 
GENERAL SITUATION:
TROPICAL CYCLONE MITAG WILL MOVE ACROSS THE VICINITY OF THE
PEARL RIVER ESTUARY AND WEAKEN GRADUALLY TOMORROW. IT WILL
BE WINDY AT FIRST OVER THE REGION. THERE WILL BE SQUALLY
SHOWERS AND THUNDERSTORMS. WITH MITAG WEAKENING GRADUALLY,
SHOWERS WILL EASE OFF GRADUALLY EARLY NEXT WEEK. THE
WEATHER WILL IMPROVE BRIEFLY AND WILL BE VERY HOT. TROPICAL
CYCLONE RAGASA WILL INTENSIFY SIGNIFICANTLY IN THE NEXT FEW
DAYS, AND ENTER THE NORTHERN PART OF THE SOUTH CHINA SEA
EARLY NEXT WEEK. IT WILL THEN EDGE CLOSER TO THE COAST OF
SOUTHERN CHINA. UNDER THE INFLUENCE OF ITS BROAD
CIRCULATION, THE WEATHER OVER THE REGION WILL DETERIORATE
SIGNIFICANTLY WITH WINDS STRENGTHENING AGAIN MIDWEEK NEXT
WEEK. THERE WILL BE HEAVY SQUALLY SHOWERS, THUNDERSTORMS
AND SIGNIFICANT STORM SURGE. SEAS WILL BE VERY ROUGH WITH
SWELLS.
 
DATE/MONTH 20/9 (SATURDAY)
WIND: WEST TO SOUTHWEST FORCE 5 TO 6, UP TO FORCE 7
OFFSHORE AND ON HIGH GROUND. BECOMING SOUTH FORCE 4 LATER.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SQUALLY SHOWERS AND
THUNDERSTORMS. SHOWERS WILL BE HEAVY AT TIMES AT FIRST.
SEAS WILL BE ROUGH WITH SWELLS.
TEMP RANGE: 26 - 30 C
R.H. RANGE: 75 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
 
DATE/MONTH 21/9 (SUNDAY)
WIND: EAST TO SOUTHEAST FORCE 4, OCCASIONALLY FORCE 5.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND SQUALLY
THUNDERSTORMS. SHOWERS WILL BE HEAVIER AT TIMES AT FIRST.
THERE WILL BE SWELLS.
TEMP RANGE: 26 - 31 C
R.H. RANGE: 70 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM HIGH
 
DATE/MONTH 22/9 (MONDAY)
WIND: EAST TO NORTHEAST FORCE 3 TO 4.
WEATHER: ONE OR TWO SHOWERS AT FIRST. BECOMING FINE AND
VERY HOT DURING THE DAY.
TEMP RANGE: 27 - 34 C
R.H. RANGE: 60 - 90 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM LOW
 
DATE/MONTH 23/9 (TUESDAY)
WIND: NORTH FORCE 4 TO 5, FORCE 6 OFFSHORE AND UP TO FORCE
7 ON HIGH GROUND LATER.
WEATHER: SUNNY PERIODS. VERY HOT DURING THE DAY. SQUALLY
SHOWERS AND THUNDERSTORMS LATER. THERE WILL BE SWELLS.
TEMP RANGE: 27 - 34 C
R.H. RANGE: 60 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM HIGH
 
DATE/MONTH 24/9 (WEDNESDAY)
WIND: NORTHEAST FORCE 7 TO 8, UP TO FORCE 10 OFFSHORE AND
ON HIGH GROUND. BECOMING EAST TO SOUTHEAST LATER.
WEATHER: CLOUDY TO OVERCAST WITH HEAVY SQUALLY SHOWERS AND
THUNDERSTORMS. SEAS WILL BE VERY ROUGH WITH SWELLS.
TEMP RANGE: 25 - 29 C
R.H. RANGE: 80 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: 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: 26 - 29 C
R.H. RANGE: 80 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
 
DATE/MONTH 26/9 (FRIDAY)
WIND: EAST FORCE 4 TO 5.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND A FEW
THUNDERSTORMS.
TEMP RANGE: 26 - 30 C
R.H. RANGE: 75 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM HIGH
 
DATE/MONTH 27/9 (SATURDAY)
WIND: EAST FORCE 4, OCCASIONALLY FORCE 5.
WEATHER: MAINLY CLOUDY WITH A FEW SHOWERS. SUNNY INTERVALS
DURING THE DAY.
TEMP RANGE: 27 - 31 C
R.H. RANGE: 70 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM
 
DATE/MONTH 28/9 (SUNDAY)
WIND: EAST FORCE 3 TO 4.
WEATHER: SUNNY PERIODS AND A FEW SHOWERS.
TEMP RANGE: 27 - 32 C
R.H. RANGE: 70 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM LOW

DISPATCHED BY HONG KONG OBSERVATORY AT 11:53 HKT ON 19.09.2025