Weather in 香港 in 9月
Country-wide climate normals across 15 cities in 香港.
How Hot Is 香港 in 9月?
香港 bakes evenly in September — highs around 30°C are typical from Ma On Shan all the way to Yuen Long San Hui, with very little regional variation. Lows sit around 26°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in 香港 in 9月
香港 sees limited sun in September: just 1.6h a day in Hong Kong, with heavy cloud cover common across most regions. Daylight runs from 6:10 am to 6:25 pm, but persistent grey skies and overcast stretches mean direct sunlight is genuinely scarce. Many days pass without any prolonged sunny spells.
Does It Rain In 香港 In 9月?
香港 is in the heart of its rainy season: Hong Kong measures 310mm of rain across 21 days in September, and the pattern repeats across nearly all regions. Persistent heavy rain, occasional thunderstorms, and saturated air define the entire country's weather.
Is 香港 Humid In 9月?
香港's September is humid — 75% on average in Hong Kong, with similar muggy conditions in most regions. Afternoons feel sticky, especially after rain, and the moisture amplifies warm-day temperatures noticeably. Coastal cities see the highest readings.
Wind In 香港 In 9月
Light breezes are typical across 香港 in September: 17 kph in Hong Kong, with similar gentle wind conditions in most regions. The air moves enough to keep things fresh on warm days but not enough to be disruptive. Coastal cities may see slightly more.
Cloud Cover In 香港 In 9月
Cloudy skies dominate 香港 in September — 73% cover in Hong Kong, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.