9-DAY WEATHER FORECAST


9-DAY WEATHER FORECAST
 
GENERAL SITUATION:
TROPICAL CYCLONE MITAG WILL MOVE ACROSS THE VICINITY OF THE
NORTHERN PART OF THE PEARL RIVER ESTUARY AND WEAKEN
GRADUALLY TODAY. THERE WILL BE SQUALLY SHOWERS AND
THUNDERSTORMS OVER THE REGION. WITH THE REMNANT OF MITAG
DEPARTING, SHOWERS WILL EASE OFF GRADUALLY EARLY NEXT WEEK.
THE WEATHER WILL IMPROVE BRIEFLY AND WILL BE VERY HOT.
TROPICAL CYCLONE RAGASA WILL MOVE TOWARDS THE VICINITY OF
LUZON STRAIT AND INTENSIFY SIGNIFICANTLY IN THE NEXT COUPLE
OF DAYS, AND ENTER THE NORTHERN PART OF THE SOUTH CHINA SEA
EARLY NEXT WEEK. IT WILL THEN EDGE CLOSER TO THE COAST OF
GUANGDONG. UNDER THE INFLUENCE OF ITS BROAD CIRCULATION,
THE WEATHER OVER THE REGION WILL DETERIORATE WITH WINDS
STRENGTHENING SIGNIFICANTLY 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 FORCE 5 TO 6, BECOMING FORCE 4. SOUTH FORCE 4
LATER.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SQUALLY SHOWERS AND
THUNDERSTORMS. SHOWERS WILL BE HEAVIER IN SOME AREAS. SEAS
WILL BE ROUGH WITH SWELLS.
TEMP RANGE: 26 - 30 C
R.H. RANGE: 70 - 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 00:01 HKT ON 20.09.2025