Thermograph

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

Weather in Cheonan, Chungcheongnam-do, South Korea in September

In an average September, Cheonan sees a daily high around 24°C and a low around 17°C, based on 1981–2026 of local climate records.

Average high24°C
Typical high range22°C to 27°C
Average low17°C
Typical low range14°C to 20°C
Average daily precipitation5 mm

September records

The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.

High

Highest 31°C 2024-09-10
Lowest 15°C 1987-09-26

Low

Highest 26°C 2024-09-18
Lowest 8°C 1987-09-27

Feels-like

Highest 43°C 2024-09-18
Lowest 5°C 1987-09-27

Humidity

Highest 24.3 g/m³ 2024-09-18
Lowest 7.0 g/m³ 1987-09-26

Wind

Highest 74 km/h 2019-09-07
Lowest 5 km/h 1982-09-08

Precip

Wettest 372 mm 2010
Driest 8 mm 1982

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