Sanya weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Sanya in September. Check more long-term weather averages for Sanya in September before you book your next holiday to China in 2025/2026.

  • 31°C maximum daytime temperature in September in Sanya31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in September in Sanya18
    18 days with some rainfall
  • 24°C minimum night-time temperature in September in Sanya24
    24°C min night temperature
  • 12 hours of daylight per day in September in Sanya12
    12 hours of daylight per day
  • High heat & humidity in September in SanyaH
    High heat & humidity
  • 275 mm monthly rainfall in September in Sanya275
    275 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Sanya11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Sanya29
    29°C sea temperature

More about Sanya

Sanya by month

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

Recommended for China

Travelbag: Latest holiday sale offers worldwide

  • Explore latest sale offers on holidays in 2024/2025
  • Filter deals by continent, star rating & holiday type
  • Including Dubai, Caribbean, North America, Asia & Pacific
Go to Travelbag deal >>

View all Travelbag offers

TravelbagHoliday deal finder

The September weather guide for China (Sanya) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about China

How hot is it in Sanya in September?

Daytime temperatures usually reach 31°C in Sanya in September with high heat and humidity, falling to 24°C at night.

How sunny is it in Sanya in September?

There are normally 6 hours of bright sunshine each day in Sanya in September - that's 51% of daylight hours.

How warm is the sea around Sanya in September?

The average sea temperature around Sanya in September is 29°C.

Does it rain in Sanya in September?

There are usually 18 days with some rain in Sanya in September and the average monthly rainfall is 275mm.

What is the chance of a typhoon in Sanya in September?

On average 4.1 days in September in Sanya are likely to be affected by the passage of one or more tropical storms.

Sanya September sunrise & sunset times

Browse the sunrise and sunset times for Sanya in September 2025. Select a month to view Sanya sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:27 18:56
Monday, 15th September 2025 06:30 18:44
Tuesday, 30th September 2025 06:32 18:31

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^