Hong Kong Island in september: average Weather, Temperature and Climate
Weather in Hong Kong Island in september 2025
The weather in Hong Kong Island in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
83°F
Moderate rain at times
32% of time
27%
21%
19%
Weather at 12pm
88°F
Clear/Sunny
32% of time
30%
20%
17%
Weather at 6pm
85°F
Clear/Sunny
31% of time
26%
21%
21%
Weather at 3am
83°F
43%
19%
19%
18%
Evolution of daily average temperature and precipitation in Hong Kong Island in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Hong Kong Island in september.
The climate of Hong Kong Island in september is tolerable
The weather in september in Hong Kong Island is wet (with 14.4in of rainfall over 15 days). It should be noted an improvement from the previous month since in august it receives an average of 21.2in of precipitation over 20 days.
The climate is very warm here this month. Temperatures are up to 88°F. The seasonal minimum is 83°F. Thus, the mean temperature average on this month of september in Hong Kong Island is 86°F. Note that these seasonal averages are in contrast with those observed in Hong Kong Island in september with a maximum record of 95°F in 2017 and a minimum record of 74°F in 2011. You You can hope to have about 22 days with temperatures above 86°F, or 73 of time.
Day length in Hong Kong Island in september is 12:17. Sunrise is at 06:10 and sunset is at 18:27.
With a correct climate, the month of september is okay (but not the best) to go in this city in Hong Kong.
Hong Kong Island: another month?
If you can push back the dates of your trip, we advise you to go in october to Hong Kong Island. more information
Seasonal average climate and temperature of Hong Kong Island in september
Check below seasonal norms These datas are set from the weather statements of the last years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 86°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 83°F | ||||
| Highest record temperature | 95°F (2017) | ||||
| Lowest record temperature | 74°F (2011) | ||||
| Number of days at +86°F | 22 day(s) (73%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 84°F | ||||
| Lowest sea temperature | 81°F | ||||
| Highest sea temperature | 86°F | ||||
| Wind | |||||
| Wind speed | 18km/h | ||||
| Wind temperature | 83°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 14.4in | ||||
| Number of days with rainfall | 15 day(s) (49%) | ||||
| Record daily rainfall | 10.8in (2018) | ||||
| Other climate data | |||||
| Humidity | 80% | ||||
| Visibility | 9.07km | ||||
| Cloud cover | 37% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:10 | ||||
| Time of sunset | 18:27 | ||||
| Length of day | 12:17 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Hong Kong Island in september 2024:
81°F to 90°F
83°F to 90°F
81°F to 90°F
81°F to 88°F
81°F to 86°F
81°F to 81°F
81°F to 83°F
79°F to 85°F
81°F to 86°F
79°F to 88°F
79°F to 88°F
81°F to 88°F
81°F to 88°F
79°F to 86°F
79°F to 86°F
79°F to 90°F
81°F to 90°F
79°F to 90°F
81°F to 90°F
81°F to 90°F
79°F to 86°F
79°F to 83°F
74°F to 76°F
72°F to 74°F
77°F to 85°F
79°F to 86°F
79°F to 88°F
81°F to 86°F
81°F to 88°F
79°F to 92°F
Map: other cities in Hong Kong in september
Cities near Hong Kong Island:
| Victoria Peak in september | tolerable weather |
| Repulse Bay beach in september | tolerable weather |
| Kowloon in september | tolerable weather |
| Lamma Island in september | tolerable weather |
| Shek O Beach in september | tolerable weather |
| Cheung Chau in september | tolerable weather |
| Tai Po in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Hong Kong Island
perfect weather
good
tolerable
bad
very bad
Weather data for Hong Kong Island in september:
Weather data for Hong Kong Island for september are derived from an average of the weather forecast since 2009 in Hong Kong Island. There is a margin of error and these forecasts are to be considered as general information only. The weather in Hong Kong Island can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Hong Kong Island.