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 high | 24°C |
|---|---|
| Typical high range | 22°C to 27°C |
| Average low | 17°C |
| Typical low range | 14°C to 20°C |
| Average daily precipitation | 5 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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