Weather in Shimonoseki in September
Shimonoseki, Japan averages a high of 26.7°C (80.1°F) and low of 21.7°C (71.1°F) in September, with 11 rain days and 8.8 hours of daily sunshine. Travel score: 76.5/100 (Good). The best time to visit Shimonoseki is October.
High
27°C80°F
Low
22°C71°F
🌧️
11
rain days
☀️
8.8
hrs/day sunshine
💧
80%
humidity
77— Good
September in Shimonoseki is warm and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Shimonoseki?
How much does it rain in Shimonoseki in September?
Shimonoseki receives an average of 161.1mm of rainfall across 11 rainy days in September. The annual total is 1591.4mm.
What should I pack for Shimonoseki in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 27°C
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
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