Weather in Yokosuka in September
Yokosuka, Japan averages a high of 25.4°C (77.7°F) and low of 21.9°C (71.4°F) in September, with 13 rain days and 8.3 hours of daily sunshine. Travel score: 70.8/100 (Good). The best time to visit Yokosuka is August.
High
25°C78°F
Low
22°C71°F
🌧️
13
rain days
☀️
8.3
hrs/day sunshine
💧
81%
humidity
71— Good
September in Yokosuka is warm and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Yokosuka?
How much does it rain in Yokosuka in September?
Yokosuka receives an average of 180.6mm of rainfall across 13 rainy days in September. The annual total is 1487.2mm.
What should I pack for Yokosuka in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 25°C
🧴
Sunscreen SPF 30+
8 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