Weather in Ulsan in September
In an average September, Ulsan sees a daily high around 25°C and a low around 19°C, based on 1980–2026 of local climate records.
| Average high | 25°C |
|---|---|
| Typical high range | 22°C to 29°C |
| Average low | 19°C |
| Typical low range | 16°C to 23°C |
| Average daily precipitation | 8 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
34°C
1994-09-02
Lowest
18°C
1985-09-28
Low
Highest
27°C
1992-09-01
Lowest
9°C
1980-09-30
Feels-like
Highest
48°C
2005-09-01
Lowest
6°C
1980-09-30
Humidity
Highest
24.6 g/m³
2024-09-17
Lowest
5.8 g/m³
1987-09-26
Wind
Highest
69 km/h
2020-09-02
Lowest
5 km/h
2016-09-27
Gust
Highest
161 km/h
2003-09-12
Lowest
15 km/h
2002-09-24
Precip
Wettest
464 mm
2019
Driest
28 mm
2013
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