Historical Weather for Seoul, South Korea

Showing historical weather data for 1 Sept to 30 Sept over the last 5 years (2025-2025).

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Seoul, Seoul, South Korea (01-09 → 30-09)

Years 2025–2025 · Source: Meteostat

Weather Summary

Automated rules using observed Meteostat data (no AI calls).

Average temperature

22.7°C

Above long-term avg by 0.0°C

Total rainfall

298.1 mm

Across the selected period

Notable conditions

Heatwave days: 0
Frost days: 0
Heavy rain days: 8

Daily temperature vs long-term average

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Recent period Long-term average

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Anomaly vs normal

0.0°C

Warmer than the multi-year average

Record extremes

Record high: 31.1°C · 05 Sept 2025

Record low: 15.6°C · 21 Sept 2025

Precip & wind peaks

Rain: 58.2 mm · 13 Sept 2025

Wind: 10.4 kts · 06 Sept 2025

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Average temperature

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01 Sept→01 Sept

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Time Travel Insight

Typical weather for 2025.

Temperatures were consistent with the long-term average.

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2025

30 days

01 Sept → 30 Sept

Temperature

High: 20.4°C → 31.1°C

Low: 15.6°C → 23.8°C

Precipitation

Rain: 298.1 mm

Snow: 0.0 cm

Wind

5.7 kts avg · 10.4 kts peak

Accessible data table

Daily values for the first series (showing up to 30 rows)

Day	High (°C)	Low (°C)	Rain (mm)	Wind (kts)
01 Sept	28.0°C	23.0°C	23.4 mm	10.0 kts
02 Sept	28.5°C	19.8°C	0.0 mm	4.1 kts
03 Sept	30.3°C	21.2°C	0.2 mm	4.9 kts
04 Sept	28.6°C	22.5°C	26.0 mm	5.4 kts
05 Sept	31.1°C	22.0°C	0.4 mm	4.6 kts
06 Sept	29.9°C	23.8°C	36.2 mm	10.4 kts
07 Sept	27.3°C	21.9°C	0.7 mm	6.8 kts
08 Sept	26.5°C	20.5°C	0.2 mm	3.8 kts
09 Sept	26.0°C	20.9°C	0.5 mm	2.3 kts
10 Sept	29.3°C	18.2°C	0.0 mm	3.1 kts
11 Sept	29.5°C	19.0°C	0.0 mm	5.8 kts
12 Sept	26.1°C	20.1°C	6.2 mm	8.0 kts
13 Sept	26.2°C	20.0°C	58.2 mm	7.2 kts
14 Sept	27.6°C	20.2°C	0.1 mm	5.2 kts
15 Sept	28.6°C	19.7°C	0.0 mm	2.1 kts
16 Sept	27.1°C	20.9°C	13.3 mm	6.6 kts
17 Sept	24.1°C	20.3°C	27.8 mm	7.7 kts
18 Sept	24.9°C	18.1°C	0.0 mm	7.8 kts
19 Sept	20.4°C	17.6°C	12.9 mm	5.9 kts
20 Sept	22.5°C	16.8°C	29.7 mm	7.2 kts
21 Sept	25.6°C	15.6°C	0.0 mm	5.7 kts
22 Sept	23.8°C	16.4°C	0.0 mm	5.2 kts
23 Sept	24.9°C	17.3°C	0.0 mm	6.8 kts
24 Sept	24.1°C	18.5°C	38.3 mm	9.0 kts
25 Sept	25.4°C	18.5°C	0.1 mm	4.2 kts
26 Sept	25.0°C	16.9°C	0.0 mm	3.2 kts
27 Sept	26.6°C	16.7°C	0.0 mm	5.1 kts
28 Sept	22.7°C	18.1°C	23.5 mm	6.3 kts
29 Sept	23.2°C	16.0°C	0.0 mm	4.1 kts
30 Sept	22.2°C	16.2°C	0.4 mm	3.3 kts

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