Niseko Town
September
Weather in Niseko Town for September 2025
Your guide to Niseko Town weather in September - trends and predictions
In general, the average temperature in Niseko Town at the beginning of September is 22.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.4 °C by the end of September.
Expect significant rainfall in Niseko Town during September, with an average of 17 rainy days.
Is September a good time to visit Niseko Town? check out the best time to travel to Niseko Town page.
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13
Dry days
17
Rainy days
0
Snow days
20°/12°
Temperatures
9 km/h
Avg max wind
84 %
Avg humidity
Niseko Town in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  22° | 3  23° | 4 23° | 5  24° | 6 21° | 7 19° |
| 8 22° | 9 25° | 10 24° | 11 23° | 12  21° | 13  22° | 14 19° |
| 15 19° | 16 20° | 17  19° | 18 21° | 19 21° | 20 16° | 21 14° |
| 22 17° | 23 17° | 24 18° | 25 18° | 26 19° | 27 21° | 28  17° |
| 29 17° | 30 19° |
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Temperatures trend during September in Niseko Town
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. | Partly cloudy | 23° /12° | 0 mm | 6 | |
| 2 Sept. | Patchy rain possible | 22° /12° | 0.1 mm | 5 | |
| 3 Sept. | Sunny | 23° /12° | 0 mm | 6 | |
| 4 Sept. | Light rain shower | 23° /11° | 0.2 mm | 6 | |
| 5 Sept. | Moderate or heavy rain shower | 24° /15° | 5.6 mm | 5 | |
| 6 Sept. | Moderate or heavy rain shower | 21° /14° | 11.3 mm | 5 | |
| 7 Sept. | Patchy rain possible | 19° /10° | 0.8 mm | 5 | |
| 8 Sept. | Partly cloudy | 22° /10° | 0 mm | 6 | |
| 9 Sept. | Patchy rain possible | 25° /12° | 0.1 mm | 6 | |
| 10 Sept. | Light rain shower | 24° /15° | 1 mm | 5 | |
| 11 Sept. | Patchy rain possible | 23° /14° | 2.7 mm | 5 | |
| 12 Sept. | Moderate rain | 21° /15° | 9 mm | 5 | |
| 13 Sept. | Fog | 22° /13° | 0.4 mm | 5 | |
| 14 Sept. | Moderate rain | 19° /10° | 9.9 mm | 4 | |
| 15 Sept. | Mist | 19° /10° | 6.7 mm | 5 | |
| 16 Sept. | Mist | 20° /8° | 0 mm | 5 | |
| 17 Sept. | Light drizzle | 19° /11° | 1 mm | 4 | |
| 18 Sept. | Light rain shower | 21° /13° | 2.4 mm | 5 | |
| 19 Sept. | Fog | 21° /13° | 0.5 mm | 5 | |
| 20 Sept. | Patchy rain possible | 16° /9° | 2.2 mm | 4 | |
| 21 Sept. | Patchy rain possible | 14° /6° | 0.7 mm | 3 | |
| 22 Sept. | Sunny | 17° /7° | 1 mm | 5 | |
| 23 Sept. | Patchy rain possible | 17° /6° | 0.3 mm | 4 | |
| 24 Sept. | Partly cloudy | 18° /6° | 0 mm | 5 | |
| 25 Sept. | Patchy rain possible | 18° /7° | 0.1 mm | 4 | |
| 26 Sept. | Patchy rain possible | 19° /12° | 1.1 mm | 4 | |
| 27 Sept. | Mist | 21° /11° | 0.6 mm | 5 | |
| 28 Sept. | Heavy rain | 17° /12° | 32.5 mm | 4 | |
| 29 Sept. | Patchy rain possible | 17° /9° | 0.4 mm | 4 | |
| 30 Sept. | Patchy rain possible | 19° /8° | 0.1 mm | 4 | |
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Important Notice
Our weather forecast for Niseko Town 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 Niseko Town forecast closer to your planned date for the most up-to-date weather information.
Niseko Town in September - FAQ
What are the expected maximum and minimum temperatures in Niseko Town during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Niseko Town during September?
Significant rainfall exceeding 127.5 mm is expected in Niseko Town during September, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Niseko Town during September?
The average wind speed in Niseko Town during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Niseko Town in September?
As you prepare for your trip to Niseko Town 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 Niseko Town, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- 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
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Where is Niseko Town?Get accurate weather forecasts for Niseko Town, located at latitude 42.779 and longitude 140.669. Stay updated with localized weather information tailored for Niseko Town.
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