Gunsan in September
7.7out of 10
Yes, a good time to go
Warm and comfortable: highs around 25°C. Some rain: about 8 rainy days.
25°CAvg high
19°CAvg low
8Rainy days (146 mm)
12:13 hDaylight
06:21Sunrise · 18:34 Sunset
Why this score
- Warm and comfortable: highs around 25°C
- Some rain: about 8 rainy days
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.5 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 4°C | -3°C | 24 mm | 5 | – | – | 5.1 |
| February | 5°C | -1°C | 31 mm | 5 | – | – | 5.6 |
| March | 10°C | 3°C | 47 mm | 6 | – | – | 6.3 |
| April | 16°C | 9°C | 81 mm | 7 | – | – | 7.1 |
| May | 21°C | 15°C | 86 mm | 7 | – | – | 7.9 |
| June | 25°C | 19°C | 133 mm | 9 | – | – | 7.7 |
| July | 28°C | 23°C | 251 mm | 14 | – | – | 6.4 |
| August | 29°C | 24°C | 223 mm | 15 | – | – | 6.5 |
| September | 25°C | 19°C | 146 mm | 8 | – | – | 7.7 |
| October | 20°C | 13°C | 57 mm | 5 | – | – | 8.1 |
| November | 13°C | 6°C | 44 mm | 7 | – | – | 6.8 |
| December | 6°C | 0°C | 27 mm | 6 | – | – | 5.6 |
Frequently asked questions
How hot is Gunsan in September?
Daytime highs average 25°C and nights about 19°C.
When is the best time to visit Gunsan?
The best months are October, May, June, September.