Hong Kong Weather in September
In September, Hong Kong averages a high of 31°C (88°F) and a low of 24°C (76°F), based on 49 years of historical weather data from KING'S PARK.
31°C
Average high
88°F
24°C
Average low
76°F
37°C
Record high
99°F · 2024
11°C
Record low
52°F · 1998
What to Expect in Hong Kong in September
Typical September days in Hong Kong reach 31°C (88°F) during the afternoon and cool to around 24°C (76°F) overnight. On average, measurable rain falls on about 41% of days this month. Over the past 49 years, September temperatures in Hong Kong have ranged from a record high of 37°C (2024) down to a record low of 11°C (1998).
For a day-by-day look or other months, see the full Hong Kong weather history.