Shanghai weather in September 2025

Expect 81°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Shanghai in September. Check more long-term weather averages for Shanghai in September before you book your next holiday to China in 2025/2026.

  • 81°F maximum daytime temperature in September in Shanghai81
    81°F max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in September in Shanghai13
    13 days with some rainfall
  • 70°F minimum night-time temperature in September in Shanghai70
    70°F min night temperature
  • 12 hours of daylight per day in September in Shanghai12
    12 hours of daylight per day
  • Moderate heat & humidity in September in ShanghaiM
    Moderate heat & humidity
  • 6.0 inches monthly rainfall in September in Shanghai6.0
    6.0 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Shanghai9
    9 (Very High) UV index
  • 77°F sea temperature in September in Shanghai77
    77°F sea temperature

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The September weather guide for China (Shanghai) 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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More about China

How hot is it in Shanghai in September?

Daytime temperatures usually reach 81°F in Shanghai in September with moderate heat and humidity, falling to 70°F at night.

How sunny is it in Shanghai in September?

There are normally 6 hours of bright sunshine each day in Shanghai in September - that's 45% of daylight hours.

How warm is the sea around Shanghai in September?

The average sea temperature around Shanghai in September is 77°F.

Does it rain in Shanghai in September?

There are usually 13 days with some rain in Shanghai in September and the average monthly rainfall is 6.0 inches.

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

On average 1 day in September in Shanghai is likely to be affected by the passage of one or more tropical storms.

Shanghai September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:30 18:18
Monday, 15th September 2025 05:38 18:00
Tuesday, 30th September 2025 05:47 17:41

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