Oahu – Kailua Beach in September
September is a fair month for kitesurfing at Oahu – Kailua Beach; the best time is July.
Plan your trip to Oahu – Kailua BeachEvery month at a glance, daily wind and waves from years of weather statistics, photos, videos and local tips.Updated October 2026 · weather data 2022–2026
In short
- Wind: 9 windy days (15+ knots), average wind 12 knots
- Waves: 1.8 m on average (daily maximum)
- Water: 27°C, no wetsuit
- Air: 29°C by day, 24°C at night
- Weather: 30 sunny days, 25 rainy days
Oahu – Kailua BeachHawaii, United StatesIntermediate and up · no wetsuit · ✈ HNL 22 kmWindy days: days with at least 2 hours of 15+ knots between 9:00 and 18:00, averaged over recent years. Figures from 5 years of weather data (Open-Meteo).
Best time to go →Other spots for kitesurfing in September
1
Oahu – HaleiwaUnited States · 45 km away · water 27°C2 windy days2
Kanaha Beach Park – MauiUnited States · 146 km away · water 27°C21 windy daysWithin 1,500 km, ranked by windy days and, a little, warm water.
Where to go kitesurfing in September →Questions
Is September a good time for kitesurfing at Oahu – Kailua Beach?
September is a fair month for kitesurfing at Oahu – Kailua Beach; the best time is July. 9 windy days, waves 1.8 m, water 27°C (no wetsuit), air 29°C.
How warm is the water at Oahu – Kailua Beach in September?
About 27°C: no wetsuit.
How windy is Oahu – Kailua Beach in September?
About 9 days with at least 2 hours of 15+ knots in the daytime; average wind 12 knots.
How big are the waves at Oahu – Kailua Beach in September?
About 1.8 m on average (daily maximum).
What is the weather like at Oahu – Kailua Beach in September?
Around 29°C by day and 24°C at night, with about 30 sunny and 25 rainy days.
Where else can I go kitesurfing in September?
Within 1,500 km: Oahu – Haleiwa (2 windy days) & Kanaha Beach Park – Maui (21 windy days).