PRESS WEATHER NO. 091 - 9-DAY WEATHER FORECAST
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9-DAY WEATHER FORECAST
9-DAY WEATHER FORECAST
GENERAL SITUATION:
AN UPPER-AIR DISTURBANCE WILL BRING A FEW SHOWERS TO
GUANGDONG TOMORROW. A BROAD TROUGH OF LOW PRESSURE WILL
BRING UNSETTLED WEATHER TO THE CENTRAL AND NORTHERN PARTS
OF THE SOUTH CHINA SEA AND TO THE SEAS EAST OF THE
PHILIPPINES IN THE NEXT COUPLE OF DAYS. THE AREA OF LOW
PRESSURE NOW NEAR LUZON IS EXPECTED TO DEVELOP GRADUALLY
AND MOVE TOWARDS THE COAST OF GUANGDONG IN THE LATTER PART
OF THIS WEEK AND OVER THE WEEKEND. THERE WILL BE MORE
SHOWERS OVER THE REGION. DUE TO THE INFLUENCE OF THE
NORTHEAST MONSOON, THERE ARE UNCERTAINTIES IN ITS MOVEMENT
AND INTENSITY. BESIDES, A TROPICAL CYCLONE IS EXPECTED TO
FORM OVER THE WESTERN NORTH PACIFIC TO THE EAST OF THE
PHILIPPINES IN THE LATTER PART OF THIS WEEK AND INTENSIFY
GRADUALLY. IT WILL ENTER THE NORTHERN PART OF THE SOUTH
CHINA SEA EARLY NEXT WEEK, EDGING CLOSER TO THE COAST OF
SOUTHERN CHINA.
DATE/MONTH 17/9 (WEDNESDAY)
WIND: EAST FORCE 3 TO 4.
WEATHER: MAINLY CLOUDY WITH A FEW SHOWERS. VERY HOT WITH
SUNNY PERIODS DURING THE DAY. ISOLATED THUNDERSTORMS IN THE
AFTERNOON.
TEMP RANGE: 28 - 33 C
R.H. RANGE: 60 - 90 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM LOW
DATE/MONTH 18/9 (THURSDAY)
WIND: EAST TO NORTHEAST FORCE 3 TO 4.
WEATHER: SUNNY PERIODS AND ONE OR TWO SHOWERS. VERY HOT
DURING THE DAY. ISOLATED THUNDERSTORMS LATER.
TEMP RANGE: 28 - 33 C
R.H. RANGE: 60 - 90 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM LOW
DATE/MONTH 19/9 (FRIDAY)
WIND: NORTH TO NORTHWEST FORCE 3 TO 4, OCCASIONALLY FORCE 5
OFFSHORE AND ON HIGH GROUND.
WEATHER: MAINLY CLOUDY WITH A FEW SHOWERS AND
THUNDERSTORMS. SHOWERS WILL INCREASE GRADUALLY. SUNNY
INTERVALS DURING THE DAY.
TEMP RANGE: 27 - 32 C
R.H. RANGE: 65 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM
DATE/MONTH 20/9 (SATURDAY)
WIND: NORTH TO NORTHWEST FORCE 4 TO 5, OCCASIONALLY FORCE 6
OFFSHORE AND ON HIGH GROUND.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND
THUNDERSTORMS. MORE SHOWERS LATER.
TEMP RANGE: 26 - 31 C
R.H. RANGE: 70 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
DATE/MONTH 21/9 (SUNDAY)
WIND: NORTH FORCE 4 TO 5, BECOMING EAST FORCE 4 TO 5 LATER,
OCCASIONALLY FORCE 6 OFFSHORE AND ON HIGH GROUND.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND
THUNDERSTORMS. SHOWERS WILL BE HEAVIER AT TIMES.
TEMP RANGE: 26 - 31 C
R.H. RANGE: 70 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
DATE/MONTH 22/9 (MONDAY)
WIND: EAST TO NORTHEAST FORCE 3 TO 4.
WEATHER: SUNNY PERIODS AND A FEW SHOWERS. ISOLATED
THUNDERSTORMS AT FIRST. VERY HOT DURING THE DAY.
TEMP RANGE: 27 - 33 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, OCCASIONALLY FORCE 6 OFFSHORE AND
ON HIGH GROUND LATER.
WEATHER: SUNNY PERIODS AND ONE OR TWO SHOWERS. MORE SHOWERS
WITH SQUALLY THUNDERSTORMS LATER.
TEMP RANGE: 27 - 32 C
R.H. RANGE: 65 - 90 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM
DATE/MONTH 24/9 (WEDNESDAY)
WIND: NORTH TO NORTHEAST FORCE 5, OCCASIONALLY FORCE 6.
WEATHER: CLOUDY WITH OCCASIONAL SHOWERS AND A FEW SQUALLY
THUNDERSTORMS. SHOWERS WILL BE HEAVIER AT TIMES.
TEMP RANGE: 26 - 30 C
R.H. RANGE: 80 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
DATE/MONTH 25/9 (THURSDAY)
WIND: EAST TO SOUTHEAST FORCE 4 TO 5.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND A FEW
SQUALLY THUNDERSTORMS.
TEMP RANGE: 27 - 31 C
R.H. RANGE: 65 - 90 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM
DISPATCHED BY HONG KONG OBSERVATORY AT 11:49 HKT ON 16.09.2025
9-DAY WEATHER FORECAST
GENERAL SITUATION:
AN UPPER-AIR DISTURBANCE WILL BRING A FEW SHOWERS TO
GUANGDONG TOMORROW. A BROAD TROUGH OF LOW PRESSURE WILL
BRING UNSETTLED WEATHER TO THE CENTRAL AND NORTHERN PARTS
OF THE SOUTH CHINA SEA AND TO THE SEAS EAST OF THE
PHILIPPINES IN THE NEXT COUPLE OF DAYS. THE AREA OF LOW
PRESSURE NOW NEAR LUZON IS EXPECTED TO DEVELOP GRADUALLY
AND MOVE TOWARDS THE COAST OF GUANGDONG IN THE LATTER PART
OF THIS WEEK AND OVER THE WEEKEND. THERE WILL BE MORE
SHOWERS OVER THE REGION. DUE TO THE INFLUENCE OF THE
NORTHEAST MONSOON, THERE ARE UNCERTAINTIES IN ITS MOVEMENT
AND INTENSITY. BESIDES, A TROPICAL CYCLONE IS EXPECTED TO
FORM OVER THE WESTERN NORTH PACIFIC TO THE EAST OF THE
PHILIPPINES IN THE LATTER PART OF THIS WEEK AND INTENSIFY
GRADUALLY. IT WILL ENTER THE NORTHERN PART OF THE SOUTH
CHINA SEA EARLY NEXT WEEK, EDGING CLOSER TO THE COAST OF
SOUTHERN CHINA.
DATE/MONTH 17/9 (WEDNESDAY)
WIND: EAST FORCE 3 TO 4.
WEATHER: MAINLY CLOUDY WITH A FEW SHOWERS. VERY HOT WITH
SUNNY PERIODS DURING THE DAY. ISOLATED THUNDERSTORMS IN THE
AFTERNOON.
TEMP RANGE: 28 - 33 C
R.H. RANGE: 60 - 90 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM LOW
DATE/MONTH 18/9 (THURSDAY)
WIND: EAST TO NORTHEAST FORCE 3 TO 4.
WEATHER: SUNNY PERIODS AND ONE OR TWO SHOWERS. VERY HOT
DURING THE DAY. ISOLATED THUNDERSTORMS LATER.
TEMP RANGE: 28 - 33 C
R.H. RANGE: 60 - 90 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM LOW
DATE/MONTH 19/9 (FRIDAY)
WIND: NORTH TO NORTHWEST FORCE 3 TO 4, OCCASIONALLY FORCE 5
OFFSHORE AND ON HIGH GROUND.
WEATHER: MAINLY CLOUDY WITH A FEW SHOWERS AND
THUNDERSTORMS. SHOWERS WILL INCREASE GRADUALLY. SUNNY
INTERVALS DURING THE DAY.
TEMP RANGE: 27 - 32 C
R.H. RANGE: 65 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM
DATE/MONTH 20/9 (SATURDAY)
WIND: NORTH TO NORTHWEST FORCE 4 TO 5, OCCASIONALLY FORCE 6
OFFSHORE AND ON HIGH GROUND.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND
THUNDERSTORMS. MORE SHOWERS LATER.
TEMP RANGE: 26 - 31 C
R.H. RANGE: 70 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
DATE/MONTH 21/9 (SUNDAY)
WIND: NORTH FORCE 4 TO 5, BECOMING EAST FORCE 4 TO 5 LATER,
OCCASIONALLY FORCE 6 OFFSHORE AND ON HIGH GROUND.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND
THUNDERSTORMS. SHOWERS WILL BE HEAVIER AT TIMES.
TEMP RANGE: 26 - 31 C
R.H. RANGE: 70 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
DATE/MONTH 22/9 (MONDAY)
WIND: EAST TO NORTHEAST FORCE 3 TO 4.
WEATHER: SUNNY PERIODS AND A FEW SHOWERS. ISOLATED
THUNDERSTORMS AT FIRST. VERY HOT DURING THE DAY.
TEMP RANGE: 27 - 33 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, OCCASIONALLY FORCE 6 OFFSHORE AND
ON HIGH GROUND LATER.
WEATHER: SUNNY PERIODS AND ONE OR TWO SHOWERS. MORE SHOWERS
WITH SQUALLY THUNDERSTORMS LATER.
TEMP RANGE: 27 - 32 C
R.H. RANGE: 65 - 90 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM
DATE/MONTH 24/9 (WEDNESDAY)
WIND: NORTH TO NORTHEAST FORCE 5, OCCASIONALLY FORCE 6.
WEATHER: CLOUDY WITH OCCASIONAL SHOWERS AND A FEW SQUALLY
THUNDERSTORMS. SHOWERS WILL BE HEAVIER AT TIMES.
TEMP RANGE: 26 - 30 C
R.H. RANGE: 80 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
DATE/MONTH 25/9 (THURSDAY)
WIND: EAST TO SOUTHEAST FORCE 4 TO 5.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND A FEW
SQUALLY THUNDERSTORMS.
TEMP RANGE: 27 - 31 C
R.H. RANGE: 65 - 90 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM
DISPATCHED BY HONG KONG OBSERVATORY AT 11:49 HKT ON 16.09.2025
Ends/Tuesday, September 16, 2025
Issued at HKT 11:49
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