Weather in Ishikari in September
Ishikari, Japan averages a high of 20.8°C (69.4°F) and low of 14.8°C (58.6°F) in September, with 12 rain days and 8.7 hours of daily sunshine. Travel score: 71.1/100 (Good). The best time to visit Ishikari is July.
High
21°C69°F
Low
15°C59°F
🌧️
12
rain days
☀️
8.7
hrs/day sunshine
💧
80%
humidity
71— Good
September in Ishikari is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Ishikari?
How much does it rain in Ishikari in September?
Ishikari receives an average of 133.9mm of rainfall across 12 rainy days in September. The annual total is 1205.5mm.
What should I pack for Ishikari in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 21°C
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (12 days)
☔
Umbrella
Be prepared for occasional showers
Traveling to Japan in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31