Hong Kong

Hong Kong Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Hong Kong in September.

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Hong Kong

Are you planning a trip a to Hong Kong in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Hong Kong in September

September in Hong Kong generally has very warm temperatures, with heavy precipitation. September falls during the summer season.

Temperatures

You can expect very warm maximum daytime temperatures of around 31°C (88°F) and nighttime temperatures around 26°C (79°F) in Hong Kong. The temperatures cited for both day and night represent usual averages, but it's possible some days could be hotter. It's advisable to dress accordingly to handle the heat.

To learn more about the conditions in specific areas of Hong Kong, check out the map below.

Precipitation

September is a very rainy month with an average rainfall of around 222 mm (8.7 in) in Hong Kong.

Average sunshine

Most places get a reasonable amount of sunshine. Take Hong Kong as an example - it receives around 175 hours of sunlight, offering a nice mix of sunny and partly cloudy days. Want to compare this with brighter destinations? Try our weather planner to explore your options.

Explore Hong Kong by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Hong Kong in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Hong Kong.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Hong Kong

What is the weather like in September for the most popular destinonation in Hong Kong?

Hong Kong

In September Hong Kong generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
32°C (90°F)
31°C (88°F)
29°C (84°F)
Min temperature
27°C (81°F)
26°C (79°F)
24°C (75°F)
Monthly sun hours
182 hours
175 hours
198 hours
Monthly rainfall
319 mm (13 in)
222 mm (8.7 in)
75 mm (3 in)
Monthly rainy days
17 days
14 days
8 days
Weather conditions
poor
poor
perfect
Climate in Hong Kong →

Is your destination not in the list? Have a look at all destinations in Hong Kong.

In our records: Hong Kong September extremes

Notable September records observed across cities in Hong Kong in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest September day in Hong Kong brought 257 mm (10 in) in Hong Kong on September 17, 1979.

Hong Kong weather in September: frequently asked questions

What is the weather like in Hong Kong in September?

Expect poor weather across Hong Kong in September. The popular destination of Hong Kong averages 31°C (88°F) by day and 26°C (79°F) at night during this summer month.

What is the average temperature in Hong Kong in September?

Hong Kong averages a daytime maximum of 31°C (88°F) in September, with overnight lows close to 26°C (79°F).

Does Hong Kong get a lot of rain in September?

Rainfall in Hong Kong peaks during September. Hong Kong averages roughly 222 mm (8.7 in), so frequent and sometimes heavy showers are the norm.

Is September a Good Time to Visit Hong Kong?

In our view, September might not be the best time to travel to Hong Kong with often poor weather in Hong Kong.

Generally speaking, January, February, March, October, November and December provide perfect weather in Hong Kong. The weather in June, July, August and September, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Hong Kong.

Weather and climate has detailed information for every country in the world. Are you going to Hong Kong? Get detailed historical weather averages for many cities in Hong Kong.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.