Weather in Hamamatsu in September
Hamamatsu, Japan averages a high of 27.2°C (81°F) and low of 21.2°C (70.2°F) in September, with 15 rain days and 8.7 hours of daily sunshine. Travel score: 71/100 (Good). The best time to visit Hamamatsu is May.
High
27°C81°F
Low
21°C70°F
🌧️
15
rain days
☀️
8.7
hrs/day sunshine
💧
80%
humidity
71— Good
September in Hamamatsu is warm and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Hamamatsu?
How much does it rain in Hamamatsu in September?
Hamamatsu receives an average of 236.8mm of rainfall across 15 rainy days in September. The annual total is 1971.9mm.
What should I pack for Hamamatsu in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 27°C
🧥
Waterproof jacket
Frequent rain expected (15 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
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