Is September a good time for surfing at Shikoku – Ikumi?
September is one of the best months for surfing at Shikoku – Ikumi. The best surf here comes with the swell direction and winds of its season, not with the biggest waves. Waves 1.5 m, water 28°C (no wetsuit), air 29°C.
Plan your trip to Shikoku – IkumiEvery month at a glance, daily wind and waves from years of weather statistics, photos, videos and local tips.Updated November 2026 · weather data 2022–2026
In short
- Waves: 1.5 m on average (daily maximum)
- Water: 28°C, no wetsuit
- Air: 29°C by day, 23°C at night
- Weather: 25 sunny days, 18 rainy days
Wave height: average daily maximum. Figures from 4 years of weather data (Open-Meteo).
Best time to go →Other spots for surfing in September
Within 1,500 km, ranked by wave height and, a little, warm water.
Other surfing spots in Japan in September →Where to go surfing in September →Questions
Is September a good time for surfing at Shikoku – Ikumi?
September is one of the best months for surfing at Shikoku – Ikumi. The best surf here comes with the swell direction and winds of its season, not with the biggest waves. Waves 1.5 m, water 28°C (no wetsuit), air 29°C.
How warm is the water at Shikoku – Ikumi in September?
About 28°C: no wetsuit.
How big are the waves at Shikoku – Ikumi in September?
About 1.5 m on average (daily maximum).
What is the weather like at Shikoku – Ikumi in September?
Around 29°C by day and 23°C at night, with about 25 sunny and 18 rainy days.
Where else can I go surfing in September?
Within 1,500 km: Kamakura – Yuigahama (0.9 m waves), Chiba – Ichinomiya (1.4 m waves) & Miyazaki – Kisakihama (1.6 m waves).
