Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Ulan Bator in September

In an average September, Ulan Bator sees a daily high around 14°C and a low around 2°C, based on 1980–2026 of local climate records.

Average high14°C
Typical high range7°C to 21°C
Average low2°C
Typical low range-3°C to 6°C
Average daily precipitation3 mm

September records

The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.

High

Highest 28°C 2014-09-03
Lowest -5°C 1982-09-25

Low

Highest 15°C 1994-09-01
Lowest -14°C 1989-09-17

Feels-like

Highest 27°C 2014-09-03
Lowest -22°C 1989-09-17

Humidity

Highest 11.4 g/m³ 1999-09-04
Lowest 2.1 g/m³ 1982-09-25

Wind

Highest 40 km/h 2009-09-20
Lowest 7 km/h 2018-09-01

Gust

Highest 82 km/h 2009-09-20
Lowest 15 km/h 2013-09-05

Precip

Wettest 93 mm 2018
Driest 10 mm 2007

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