Terelj weather in September 2025

Expect 55°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Terelj in September. Check more long-term weather averages for Terelj in September before you book your next holiday to Mongolia in 2025/2026.

  • 55°F maximum daytime temperature in September in Terelj55
    55°F max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in September in Terelj9
    9 days with some rainfall
  • 30°F minimum night-time temperature in September in Terelj30
    30°F min night temperature
  • 13 hours of daylight per day in September in Terelj13
    13 hours of daylight per day
  • No heat & humidity in September in Terelj0
    No heat & humidity
  • 1.7 inches monthly rainfall in September in Terelj1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Terelj5
    5 (Moderate) UV index

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The September weather guide for Mongolia (Terelj) 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 warm is it in Terelj in September?

Daytime temperatures usually reach 55°F in Terelj in September, falling to 30°F at night.

How sunny is it in Terelj in September?

There are normally 8 hours of bright sunshine each day in Terelj in September - that's 66% of daylight hours.

Does it rain in Terelj in September?

There are usually 9 days with some rain in Terelj in September and the average monthly rainfall is 1.7 inches.

Terelj September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:08 19:32
Monday, 15th September 2025 06:27 19:03
Tuesday, 30th September 2025 06:48 18:32

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