Weather in Niiza in September
Niiza, Japan averages a high of 26.5°C (79.7°F) and low of 19.9°C (67.8°F) in September, with 14 rain days and 7.9 hours of daily sunshine. Travel score: 71.4/100 (Good). The best time to visit Niiza is August.
High
27°C80°F
Low
20°C68°F
🌧️
14
rain days
☀️
7.9
hrs/day sunshine
💧
81%
humidity
71— Good
September in Niiza is warm and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Niiza?
How much does it rain in Niiza in September?
Niiza receives an average of 197.3mm of rainfall across 14 rainy days in September. The annual total is 1523.4mm.
What should I pack for Niiza in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 27°C
🧴
Sunscreen SPF 30+
8 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉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