Weather in Isesaki in September
Isesaki, Japan averages a high of 25.3°C (77.5°F) and low of 18.6°C (65.5°F) in September, with 15 rain days and 7.6 hours of daily sunshine. Travel score: 69.4/100 (Good). The best time to visit Isesaki is May.
High
25°C78°F
Low
19°C65°F
🌧️
15
rain days
☀️
7.6
hrs/day sunshine
💧
81%
humidity
69— Good
September in Isesaki is warm and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Isesaki?
How much does it rain in Isesaki in September?
Isesaki receives an average of 192.6mm of rainfall across 15 rainy days in September. The annual total is 1410.7mm.
What should I pack for Isesaki in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 25°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+
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