Gapyeong in September
7.7out of 10
Yes, a good time to go
Warm and comfortable: highs around 25°C. Frequent rain: about 9 rainy days.
25°CAvg high
15°CAvg low
9Rainy days (132 mm)
12:14 hDaylight
06:17Sunrise · 18:31 Sunset
Why this score
- Warm and comfortable: highs around 25°C
- Frequent rain: about 9 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 (±3.0 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 | 1°C | -9°C | 21 mm | 4 | – | – | 4.6 |
| February | 4°C | -5°C | 29 mm | 5 | – | – | 5.1 |
| March | 10°C | 0°C | 43 mm | 7 | – | – | 6.0 |
| April | 17°C | 5°C | 80 mm | 8 | – | – | 7.2 |
| May | 22°C | 11°C | 107 mm | 9 | – | – | 7.8 |
| June | 26°C | 17°C | 139 mm | 10 | – | – | 7.4 |
| July | 28°C | 21°C | 337 mm | 19 | – | – | 6.1 |
| August | 28°C | 21°C | 280 mm | 17 | – | – | 6.1 |
| September | 25°C | 15°C | 132 mm | 9 | – | – | 7.7 |
| October | 19°C | 8°C | 55 mm | 6 | – | – | 7.8 |
| November | 10°C | 1°C | 49 mm | 7 | – | – | 6.2 |
| December | 3°C | -6°C | 26 mm | 5 | – | – | 4.8 |
Frequently asked questions
How hot is Gapyeong in September?
Daytime highs average 25°C and nights about 15°C.
When is the best time to visit Gapyeong?
The best months are May, October, September, June.