Observatory Forecasts Tropical Cyclone Approaching East of Taiwan; Pre-National Day Heat May Reach 33°C
HK01 · 2 SOURCESabout 3 hours ago2 MIN

Summary
The Hong Kong Observatory has issued its latest weather synopsis indicating that a tropical cyclone developing near the Philippines will track toward the Luzon Strait east of Taiwan by later this week. As the northeast monsoon weakens over the weekend, Guangdong will experience a marked temperature rise, with urban areas reaching 33 degrees Celsius from Sunday through Wednesday. The Mid-Autumn Festival on September 25 will feature generally fine weather with the full moon appearing at 5:20pm, though cloudier conditions are expected during morning and evening hours over the festival period.
Key Points
- A tropical cyclone near Yap Island is forecast to strengthen and move toward the Luzon Strait east of Taiwan by the end of this week, with subsequent path remaining uncertain
- Northeast monsoon will continue affecting Guangdong for the next two days with generally fine conditions, before moderating and allowing temperatures to rise
- Mid-Autumn Festival (September 25) temperatures will range from 27 to 32 degrees with mostly sunny skies, though mornings and evenings will see partial cloud cover
- From Sunday September 27 to Wednesday September 30, urban temperatures will peak at 33 degrees with hot and dry conditions during daytime hours
- National Day (October 1) is expected to reach 32 degrees with partly cloudy skies and one or two scattered showers
- The full moon for this year's Mid-Autumn Festival will occur at 12:49am on September 27, technically during the "post-festival moon" night rather than the main festival date
- Autumn Equinox falls on September 23, marking the beginning of shorter daylight hours in the Northern Hemisphere
Why It Matters
The approaching tropical cyclone and subsequent heat wave come just before National Day celebrations when Hong Kong decorates extensively with national flags and regional bunting, as it did on September 21 when flags were already flying in Wan Chai . Residents planning outdoor activities for the Mid-Autumn Festival reunion dinners or National Day events should prepare for both potential shower interruptions during the festival period and extreme heat conditions early next week, particularly those with elderly family members or outdoor work commitments .
The approaching tropical cyclone and subsequent heat wave come just before National Day celebrations when Hong Kong decorates extensively with national flags and regional bunting, as it did on September 21 when flags were already flying in Wan Chai . Residents planning outdoor activities for the Mid-Autumn Festival reunion dinners or National Day events should prepare for both potential shower interruptions during the festival period and extreme heat conditions early next week, particularly those with elderly family members or outdoor work commitments .