Average weather for Hong Kong in September
It's hot in September in Hong Kong with an average temperature of 32°C. Temperatures this month range from a low of 31°C to a high of 33°C. At night, you can expect temperatures between 26°C and 27°C.
Start of September
The month of September starts in Hong Kong with hot temps, averaging around 32°C during the day and nights around 27°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid September
By mid-September, daytime temps rise to around 33°C, with nights around 27°C. There’s a high chance of precipitation during this time. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of September
By the end of September, the average daytime temperature in Hong Kong is around 33°C, while nighttime temps are about 27°C. A shower might pop up, but overall, the weather will be dry and sunny. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In September, there is an average of 202 mm of precipitation, spread over 14 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Hong Kong in September |
New York | ||
|---|---|---|---|
 Average temperature |
32°C | 27°C | |
 Max. temperature |
33°C | 31°C | |
| Min. temperature |
31°C | -5°C | |
 Total precipitation |
202 mm | 57 mm | |
| Rainy days |
14 days | 9 days | |
August
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Hong Kong?
Looking for sun? September isn’t a good month to be in Hong Kong. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 36°C in 2021, Hong Kong reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 26°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 22°C to a highest value of 29°C.
Check out the climate of Hong Kong for all months and discover the best travel time
The climate in Hong Kong is based on weather data from Hong Kong. Other spots might have different weather. You can check out all destinations in Hong Kong to get the full picture of the climate.
Daily Temperature in September in Hong Kong
This chart shows the average daily high and low temperatures in September for Hong Kong, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Hong Kong
The chart below shows the average daily precipitation in September for Hong Kong, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 14 days of precipitation in Hong Kong.
Daily UV index in September in Hong Kong
This chart shows the average daily UV index in September in Hong Kong, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Hong Kong over the years
This chart shows the average temperature in September in Hong Kong, measured in degrees Celsius, over the past few years.
Total precipitation in September in Hong Kong over the years
This chart shows the average precipitation in September in Hong Kong, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Hong Kong
Click on any day in September to get detailed info about the usual weather on that day in Hong Kong. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Hong Kong
Have you been to Hong Kong in September?
Share your weather experience in September in Hong Kong.
Average weather in Hong Kong by month
Click on a month below to see detailed weather info for Hong Kong. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Hong Kong for all months at once
