NOAA GHCND · LIVE

Hong Kong Weather in September

In September, Hong Kong averages a high of 30°C (86°F) and a low of 25°C (78°F), from 27 years of daily records (1973–2000).

30°C
Average high
86°F
25°C
Average low
78°F
34°C
Record high
94°F · September 25, 1992
21°C
Record low
69°F · September 1, 1996

What September Is Like in Hong Kong

  • 5 of the 10 warmest Septembers on record in Hong Kong have come since 1985.
  • A typical September brings 19 days above 30°C (86°F).
  • The warmest September in the record was 1983; the coldest was 1997.

At least 1 mm of rain falls on 32% of September days.

Average daytime high in Hong Kong, every September since 1973
28°C31°C33°C19801990September 1973: 30.2°CSeptember 1974: 30.9°CSeptember 1975: 30.9°CSeptember 1976: 29.3°CSeptember 1977: 30.9°CSeptember 1978: 31.1°CSeptember 1979: 30.1°CSeptember 1980: 30.1°CSeptember 1981: 29.2°CSeptember 1982: 30.2°CSeptember 1983: 31.6°CSeptember 1984: 29.5°CSeptember 1985: 28.9°CSeptember 1986: 30.4°CSeptember 1987: 29.2°CSeptember 1988: 29.8°CSeptember 1989: 30.8°CSeptember 1990: 30.2°CSeptember 1991: 30.8°CSeptember 1992: 31.6°CSeptember 1993: 30.2°CSeptember 1994: 29.8°CSeptember 1995: 30.7°CSeptember 1996: 29.8°CSeptember 1997: 28.7°CSeptember 1998: 30.2°CSeptember 1999: 30.6°C
Warmest: 1983 (31.6°C)Latest: 1999 (30.6°C)10-year averageLong-run average (30.2°C)

Look Up a Day in September

See the weather in Hong Kong on any September date, year by year.

Source: NOAA GHCN-Daily, Hong Kong Observatory (1973–1992); King'S Park (1992–2000). The stations near Hong Kong stopped reporting in 2000, so these figures end there. Averages cover 1973–2000. How we compute this

← PreviousHong Kong in AugustNext →Hong Kong in October

Hong Kong Weather by Month

📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery