Altay weather in September 2025

Expect 18°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Altay in September. Check more long-term weather averages for Altay in September before you book your next holiday to China in 2025/2026.

  • 18°C maximum daytime temperature in September in Altay18
    18°C max day temperature
  • 9 hours of sunshine per day
  • 7 days with some rainfall in September in Altay7
    7 days with some rainfall
  • 4°C minimum night-time temperature in September in Altay4
    4°C min night temperature
  • 13 hours of daylight per day in September in Altay13
    13 hours of daylight per day
  • No heat & humidity in September in Altay0
    No heat & humidity
  • 17 mm monthly rainfall in September in Altay17
    17 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Altay5
    5 (Moderate) UV index

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The September weather guide for China (Altay) 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)

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How hot is it in Altay in September?

Daytime temperatures usually reach 18°C in Altay in September, falling to 4°C at night.

How sunny is it in Altay in September?

There are normally 9 hours of bright sunshine each day in Altay in September - that's 70% of daylight hours.

Does it rain in Altay in September?

There are usually 7 days with some rain in Altay in September and the average monthly rainfall is 17mm.

Altay September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 07:26 20:49
Monday, 15th September 2025 07:45 20:20
Tuesday, 30th September 2025 08:05 19:49

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