Sanya weather in September 2026

Expect daytime maximum temperatures of 88°F in Sanya, China in September and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 18 days with some rainfall and typically 10.8 inches of rainfall in the month.

  • 88°F maximum daytime temperature in September in Sanya88
    88°F max day temperature
  • 6 hours of sunshine per day
  • 18 days with some rainfall in September in Sanya18
    18 days with some rainfall
  • 75°F minimum night-time temperature in September in Sanya75
    75°F 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
  • 10.8 inches monthly rainfall in September in Sanya10.8
    10.8 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Sanya11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Sanya84
    84°F sea temperature

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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)  |  Imperial (°F)

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How hot is it in Sanya in September?

Daytime temperatures usually reach 79°F in Sanya in September with low heat and humidity, falling to 57°F at night.

How sunny is it in Sanya in September?

There are normally 8 hours of bright sunshine each day in Sanya in September - that's 64% of daylight hours.

Does it rain in Sanya in September?

There are usually 7 days with some rain in Sanya in September and the average monthly rainfall is 1.7 inches.

Sanya September sunrise & sunset times

Browse the sunrise and sunset times for Sanya in September 2026. Select a month to view Sanya sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 06:27 18:56
Tuesday, 15th September 2026 06:30 18:45
Wednesday, 30th September 2026 06:32 18:32

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