Gangwon-do (Namiseom)
September
Weather in Gangwon-do for September 2025
Your guide to Gangwon-do weather in September - trends and predictions
In general, the average temperature in Gangwon-do at the beginning of September is 27.1 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 24.9 °C by the end of September.
Expect significant rainfall in Gangwon-do during September, with an average of 16 rainy days.
Is September a good time to visit Gangwon-do? check out the best time to travel to Gangwon-do page.
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14
Dry days
16
Rainy days
0
Snow days
26°/14°
Temperatures
8 km/h
Avg max wind
84 %
Avg humidity
Gangwon-do in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2  23° | 3  28° | 4  30° | 5 28° | 6  21° | 7 30° |
| 8 31° | 9 31° | 10 32° | 11 34° | 12 24° | 13 24° | 14 27° |
| 15 27° | 16  29° | 17 25° | 18 26° | 19 28° | 20 25° | 21  17° |
| 22 20° | 23 22° | 24  24° | 25 25° | 26 26° | 27 25° | 28 24° |
| 29 25° | 30 25° |
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Temperatures trend during September in Gangwon-do
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Fog | 30° /15° | 0 mm | 7 | |
| 2 Sept. | Moderate rain | 23° /15° | 8.1 mm | 5 | |
| 3 Sept. | Patchy rain possible | 28° /14° | 0.3 mm | 6 | |
| 4 Sept. | Sunny | 30° /11° | 0 mm | 8 | |
| 5 Sept. | Patchy rain possible | 28° /18° | 0.3 mm | 6 | |
| 6 Sept. | Light drizzle | 21° /16° | 1.3 mm | 5 | |
| 7 Sept. | Patchy rain possible | 30° /16° | 1.3 mm | 7 | |
| 8 Sept. | Mist | 31° /16° | 0 mm | 7 | |
| 9 Sept. | Fog | 31° /16° | 0 mm | 7 | |
| 10 Sept. | Patchy rain possible | 32° /18° | 0.1 mm | 7 | |
| 11 Sept. | Patchy rain possible | 34° /18° | 0 mm | 7 | |
| 12 Sept. | Light rain shower | 24° /18° | 6.7 mm | 5 | |
| 13 Sept. | Light rain shower | 24° /18° | 24.1 mm | 5 | |
| 14 Sept. | Light rain shower | 27° /18° | 7.8 mm | 6 | |
| 15 Sept. | Light rain shower | 27° /16° | 0.9 mm | 6 | |
| 16 Sept. | Overcast | 29° /15° | 0 mm | 6 | |
| 17 Sept. | Light rain shower | 25° /19° | 9 mm | 6 | |
| 18 Sept. | Light rain shower | 26° /19° | 8.2 mm | 6 | |
| 19 Sept. | Light rain shower | 28° /19° | 15.9 mm | 6 | |
| 20 Sept. | Light rain shower | 25° /12° | 24.6 mm | 6 | |
| 21 Sept. | Heavy rain | 17° /11° | 56.9 mm | 4 | |
| 22 Sept. | Patchy rain possible | 20° /11° | 0.1 mm | 5 | |
| 23 Sept. | Mist | 22° /6° | 0 mm | 5 | |
| 24 Sept. | Cloudy | 24° /6° | 0 mm | 5 | |
| 25 Sept. | Patchy rain possible | 25° /9° | 0.1 mm | 6 | |
| 26 Sept. | Patchy rain possible | 26° /15° | 1.5 mm | 6 | |
| 27 Sept. | Fog | 25° /12° | 0.4 mm | 6 | |
| 28 Sept. | Mist | 24° /11° | 0 mm | 5 | |
| 29 Sept. | Mist | 25° /9° | 0 mm | 6 | |
| 30 Sept. | Patchy rain possible | 25° /12° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Gangwon-do in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Gangwon-do forecast closer to your planned date for the most up-to-date weather information.
Gangwon-do in September - FAQ
What are the expected maximum and minimum temperatures in Gangwon-do during September?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Gangwon-do during September?
Significant rainfall exceeding 167.9 mm is expected in Gangwon-do during September, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Gangwon-do during September?
The average wind speed in Gangwon-do during September is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Gangwon-do in September?
As you prepare for your trip to Gangwon-do in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Gangwon-do, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Gangwon-do
Explore the daily rainfall trends and prepare for Gangwon-dos September weather 💧
UV exposure in Gangwon-do during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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