Monthly climate guide
Gyeongju weather in September
September in Gyeongju is typically warm, with average daytime highs around 24°C (75°F) and night-time lows near 19°C (66°F). The month usually brings about 162 mm of rain (very wet) and is often cloudy. Daytime highs are 5°C cooler than August and 5°C warmer than October.
What stands out in September
- September brings early autumn to Gyeongju.
- There's little difference between day and night (around 5°C).
- Rain is above Gyeongju's usual level, by about 66%.
- It cools down fast from here: October is about 5°C cooler.
Avg high
24°C
75°F
Avg low
19°C
66°F
Rainfall
162 mm
very wet
Humidity
79%
relative
Sky
67%
cloud · often cloudy
Gyeongju weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 5°C / 40°F | -2°C / 29°F | 36 mm | 74% | 55% |
| February | 7°C / 44°F | 0°C / 32°F | 43 mm | 71% | 63% |
| March | 11°C / 53°F | 3°C / 38°F | 64 mm | 70% | 54% |
| April | 16°C / 61°F | 8°C / 46°F | 105 mm | 71% | 58% |
| May | 22°C / 71°F | 13°C / 56°F | 70 mm | 71% | 59% |
| June | 24°C / 76°F | 18°C / 64°F | 121 mm | 77% | 74% |
| July | 27°C / 81°F | 22°C / 71°F | 199 mm | 83% | 73% |
| August | 29°C / 83°F | 23°C / 74°F | 183 mm | 81% | 66% |
| September | 24°C / 75°F | 19°C / 66°F | 162 mm | 79% | 67% |
| October | 19°C / 67°F | 13°C / 56°F | 97 mm | 73% | 55% |
| November | 14°C / 56°F | 7°C / 45°F | 51 mm | 73% | 55% |
| December | 7°C / 44°F | 0°C / 32°F | 38 mm | 75% | 55% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is September a good time to visit Gyeongju?
Compare the months in the chart above to find your ideal window.
Best time to visit Gyeongju →Other South Korea cities in September
Cite or embed this data
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Gyeongju weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/south-korea/gyeongju/september
<a href="https://weathercompare.eu/weather/south-korea/gyeongju/september">Gyeongju weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/south-korea/gyeongju" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Gyeongju weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/south-korea/gyeongju/september">Gyeongju weather in September</a> – WeatherCompare</p>
Gyeongju in September: quick answers
Is September a good time to visit Gyeongju?
September is one of the wetter months in Gyeongju, with about 162 mm of rain. You can still go: pack a rain jacket and keep plans flexible.
How warm is Gyeongju in September?
Average highs are about 24°C (75°F) and average lows about 19°C (66°F), based on 10 years of daily data.
Does it rain a lot in Gyeongju in September?
Gyeongju typically gets around 162 mm of rain in September — very wet.
Figures are long-term averages for the area around Gyeongju (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.