Sanya in september: average Weather, Temperature and Climate
Weather in Sanya in september 2025
The weather in Sanya in september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by clicking on 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
81°F
Clear/Sunny
34% of time
27%
19%
17%
Weather at 12pm
88°F
Clear/Sunny
30% of time
27%
21%
19%
Weather at 6pm
81°F
Heavy rain
27% of time
27%
22%
20%
Weather at 3am
79°F
34%
28%
22%
14%
Evolution of daily average temperature and precipitation in Sanya in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Sanya in september.
The climate of Sanya in september is tolerable
The weather in september in Sanya is wet (with 12.6in of precipitation over 15 days). The weather's not getting better compared to the previous month since in august there is an average of 11.6in of rainfall over 15 days.
The climate is very hot in that area this month. The thermometer averaged maximum of 88°F. The seasonal minimum is 81°F. Thus, the mean temperature average in september in Sanya is 85°F. These temperatures are far removed from those records observed in Sanya in september with a maximum record of 95°F in 2021 and a minimum record of 74°F in 2021. You can plan to have 86°F or more throughout the month.
On average, in Sanya, the days of september last 12:14. The sun rises at 06:30 and sunset is at 18:44.
With proper weather, this month is okay (but not good) to go there in China.
September: another location in China?
If you want to go to China in september, there are destinations with better weather than Sanya:
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 Sanya in september
Check below seasonal norms These datas are compiled from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 81°F | ||||
| Highest record temperature | 95°F (2021) | ||||
| Lowest record temperature | 74°F (2021) | ||||
| Number of days at +86°F | 25 day(s) (83%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 83°F | ||||
| Lowest sea temperature | 81°F | ||||
| Highest sea temperature | 86°F | ||||
| Wind | |||||
| Wind speed | 13km/h | ||||
| Wind temperature | 81°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 12.6in | ||||
| Number of days with rainfall | 15 day(s) (50%) | ||||
| Record daily rainfall | 6.3in (2014) | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 9.17km | ||||
| Cloud cover | 37% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:30 | ||||
| Time of sunset | 18:44 | ||||
| Length of day | 12:14 | ||||
| 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 Sanya in september 2024:
79°F to 90°F
79°F to 88°F
77°F to 88°F
77°F to 90°F
79°F to 92°F
81°F to 86°F
81°F to 85°F
79°F to 90°F
79°F to 90°F
76°F to 79°F
77°F to 85°F
76°F to 88°F
77°F to 86°F
77°F to 85°F
77°F to 86°F
76°F to 86°F
76°F to 88°F
77°F to 90°F
77°F to 83°F
77°F to 88°F
79°F to 88°F
77°F to 83°F
76°F to 77°F
79°F to 81°F
76°F to 85°F
76°F to 86°F
76°F to 86°F
79°F to 88°F
77°F to 88°F
77°F to 88°F
Map: other cities in China in september
Cities near Sanya:
| Hainan in september | good weather |
| Hainan island (Haikou) in september | tolerable weather |
| Beihai in september | tolerable weather |
| Hailing island in september | tolerable weather |
| Nanning in september | good weather |
| Hebao Island in september | tolerable weather |
| Wanshan islands in september | tolerable weather |
| Macao in september | tolerable weather |
| Hong Kong in september | tolerable weather |
| Guangzhou (Canton) 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.
Sanya
perfect weather
good
tolerable
bad
very bad
Weather data for Sanya in september:
Weather data for Sanya for september are derived from an average of the weather forecast since 2009 in Sanya. There is a margin of error and these forecasts are to be considered as general information only. The weather in Sanya 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 Sanya.