Hainan island (Haikou) in september: average Weather, Temperature and Climate
Weather in Hainan island (Haikou) in september 2025
The weather in Hainan island (Haikou) in the month of september comes from statistical datas on the last years. You can view the weather statistics for all the 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
Clear/Sunny
34% of time
33%
17%
12%
Weather at 12pm
88°F
Clear/Sunny
29% of time
27%
23%
19%
Weather at 6pm
83°F
Clear/Sunny
43% of time
21%
20%
11%
Weather at 3am
81°F
32%
26%
24%
14%
Evolution of daily average temperature and precipitation in Hainan island (Haikou) in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Hainan island (Haikou) in september.
The climate of Hainan island (Haikou) in september is tolerable
the weather in Hainan island (Haikou) in september is wet (with 10.5in of precipitation over 11 days). It should be noted a worsening from the previous month since in august there is an average of 12.1in of rainfall over 14 days.
The climate comfortable in that area the month of september. Temperatures are up to 88°F. In the morning the temperature drops to 83°F. Thus, the mean temperature average on this month of september in Hainan island (Haikou) is 86°F. Note that seasonal normals in contrast with those observed in Hainan island (Haikou) in september with a maximum record of 97°F in 2017 and a minimum record of 77°F in 2010. You You can hope to have about 23 days with temperatures over 86°F, or 77 of time.
On this month of september, day length in Hainan island (Haikou) is generally 12:16. Sunrise is at 06:26 and sets at 18:42.
With a bad weather, september is not the best time to go in Hainan island (Haikou) in China.
September: another location in China?
If you want to go to China in september, there are destinations with better weather than Hainan island (Haikou):
In september, Beijing, Dalian, Jiuquan (Gansu), Pingyao, Qingdao and Urumqi have perfect weather.
Furthermore, Shanghai, Chengdu, Guilin, Harbin, Qiqihar and Wenzhou have good weather.
Seasonal average climate and temperature of Hainan island (Haikou) in september
Check below seasonal norms These statistics are compiled from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 86°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 83°F | ||||
| Highest record temperature | 97°F (2017) | ||||
| Lowest record temperature | 77°F (2010) | ||||
| Number of days at +86°F | 23 day(s) (77%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 84°F | ||||
| Lowest sea temperature | 80°F | ||||
| Highest sea temperature | 87°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 83°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 10.5in | ||||
| Number of days with rainfall | 11 day(s) (36%) | ||||
| Record daily rainfall | 5.8in (2009) | ||||
| Other climate data | |||||
| Humidity | 84% | ||||
| Visibility | 9.26km | ||||
| Cloud cover | 35% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:26 | ||||
| Time of sunset | 18:42 | ||||
| Length of day | 12:16 | ||||
| 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 Hainan island (Haikou) in september 2024:
81°F to 90°F
81°F to 88°F
79°F to 88°F
81°F to 90°F
83°F to 90°F
81°F to 83°F
81°F to 83°F
81°F to 90°F
81°F to 88°F
79°F to 81°F
79°F to 81°F
77°F to 85°F
77°F to 86°F
77°F to 86°F
79°F to 86°F
77°F to 88°F
79°F to 86°F
81°F to 85°F
79°F to 83°F
79°F to 86°F
79°F to 85°F
79°F to 85°F
79°F to 81°F
77°F to 79°F
76°F to 83°F
77°F to 85°F
77°F to 85°F
77°F to 86°F
79°F to 88°F
79°F to 88°F
Map: other cities in China in september
Cities near Hainan island (Haikou):
| Hainan in september | good weather |
| Beihai in september | tolerable weather |
| Sanya in september | tolerable weather |
| Hailing island in september | tolerable weather |
| Nanning in september | good weather |
| Hebao Island in september | tolerable weather |
| Macao in september | tolerable weather |
| Wanshan islands in september | tolerable weather |
| Guangzhou (Canton) in september | tolerable weather |
| Hong Kong in september | tolerable weather |
| Shenzhen in september | good weather |
| Yangshuo in september | good weather |
Click over cities on the map for information about the weather in september.
Hainan island (Haikou)
perfect weather
good
tolerable
bad
very bad
Weather data for Hainan island (Haikou) in september:
Weather data for Hainan island (Haikou) for september are derived from an average of the weather forecast since 2009 in Hainan island (Haikou). There is a margin of error and these forecasts are to be considered as general information only. The weather in Hainan island (Haikou) 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 Hainan island (Haikou).