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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.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
13
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/12°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Niseko Town in September average weather

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Temperatures trend during September in Niseko Town

See the weather trend as well as the moving average line
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September weather day by day

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Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
23° /12° 0 mm 6
2 Sept. Patchy rain possible
Patchy rain possible
22° /12° 0.1 mm 5
3 Sept. Sunny
Sunny
23° /12° 0 mm 6
4 Sept. Light rain shower
Light rain shower
23° /11° 0.2 mm 6
5 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
24° /15° 5.6 mm 5
6 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
21° /14° 11.3 mm 5
7 Sept. Patchy rain possible
Patchy rain possible
19° /10° 0.8 mm 5
8 Sept. Partly cloudy
Partly cloudy
22° /10° 0 mm 6
9 Sept. Patchy rain possible
Patchy rain possible
25° /12° 0.1 mm 6
10 Sept. Light rain shower
Light rain shower
24° /15° 1 mm 5
11 Sept. Patchy rain possible
Patchy rain possible
23° /14° 2.7 mm 5
12 Sept. Moderate rain
Moderate rain
21° /15° 9 mm 5
13 Sept. Fog
Fog
22° /13° 0.4 mm 5
14 Sept. Moderate rain
Moderate rain
19° /10° 9.9 mm 4
15 Sept. Mist
Mist
19° /10° 6.7 mm 5
16 Sept. Mist
Mist
20° /8° 0 mm 5
17 Sept. Light drizzle
Light drizzle
19° /11° 1 mm 4
18 Sept. Light rain shower
Light rain shower
21° /13° 2.4 mm 5
19 Sept. Fog
Fog
21° /13° 0.5 mm 5
20 Sept. Patchy rain possible
Patchy rain possible
16° /9° 2.2 mm 4
21 Sept. Patchy rain possible
Patchy rain possible
14° /6° 0.7 mm 3
22 Sept. Sunny
Sunny
17° /7° 1 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
17° /6° 0.3 mm 4
24 Sept. Partly cloudy
Partly cloudy
18° /6° 0 mm 5
25 Sept. Patchy rain possible
Patchy rain possible
18° /7° 0.1 mm 4
26 Sept. Patchy rain possible
Patchy rain possible
19° /12° 1.1 mm 4
27 Sept. Mist
Mist
21° /11° 0.6 mm 5
28 Sept. Heavy rain
Heavy rain
17° /12° 32.5 mm 4
29 Sept. Patchy rain possible
Patchy rain possible
17° /9° 0.4 mm 4
30 Sept. Patchy rain possible
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

September rainfall patterns in Niseko Town

Explore the daily rainfall trends and prepare for Niseko Towns September weather 💧

UV exposure in Niseko Town during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates 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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