Weather in Niseko in September
Niseko, Japan averages a high of 21.2°C (70.2°F) and low of 13.5°C (56.3°F) in September, with 13 rain days and 8.6 hours of daily sunshine. Travel score: 68.9/100 (Good). The best time to visit Niseko is July.
High
21°C70°F
Low
14°C56°F
🌧️
13
rain days
☀️
8.6
hrs/day sunshine
💧
85%
humidity
69— Good
September in Niseko is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Niseko?
How much does it rain in Niseko in September?
Niseko receives an average of 136.3mm of rainfall across 13 rainy days in September. The annual total is 1215.9mm.
What should I pack for Niseko in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 21°C
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Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (13 days)
☔
Umbrella
Be prepared for occasional showers
🎉Visiting Japan in September?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31