Dalian weather in September 2025

Expect 75°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Dalian in September. Check more long-term weather averages for Dalian in September before you book your next holiday to China in 2025/2026.

  • 75°F maximum daytime temperature in September in Dalian75
    75°F max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in September in Dalian7
    7 days with some rainfall
  • 63°F minimum night-time temperature in September in Dalian63
    63°F min night temperature
  • 12 hours of daylight per day in September in Dalian12
    12 hours of daylight per day
  • No heat & humidity in September in Dalian0
    No heat & humidity
  • 2.5 inches monthly rainfall in September in Dalian2.5
    2.5 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Dalian7
    7 (High) UV index
  • 72°F sea temperature in September in Dalian72
    72°F sea temperature

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The September weather guide for China (Dalian) 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 Dalian in September?

Daytime temperatures usually reach 75°F in Dalian in September, falling to 63°F at night.

How sunny is it in Dalian in September?

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

How warm is the sea around Dalian in September?

The average sea temperature around Dalian in September is 72°F.

Does it rain in Dalian in September?

There are usually 7 days with some rain in Dalian in September and the average monthly rainfall is 2.5 inches.

Dalian September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:22 18:24
Monday, 15th September 2025 05:35 18:02
Tuesday, 30th September 2025 05:48 17:38

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