Is September a good time for surfing at Sumbawa – Scar Reef?

September is one of the best months for surfing at Sumbawa – Scar Reef. Waves 1.7 m, water 28°C (no wetsuit), air 32°C.

Plan your trip to Sumbawa – Scar ReefEvery 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: 1.7 m on average (daily maximum)
  • Water: 28°C, no wetsuit
  • Air: 32°C by day, 23°C at night
  • Weather: 30 sunny days, 11 rainy days

Wave height: average daily maximum. Figures from 5 years of weather data (Open-Meteo).

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Other spots for surfing in September

Within 1,500 km, ranked by wave height and, a little, warm water.

Other surfing spots in Indonesia in September →Where to go surfing in September →

Questions

Is September a good time for surfing at Sumbawa – Scar Reef?

September is one of the best months for surfing at Sumbawa – Scar Reef. Waves 1.7 m, water 28°C (no wetsuit), air 32°C.

How warm is the water at Sumbawa – Scar Reef in September?

About 28°C: no wetsuit.

How big are the waves at Sumbawa – Scar Reef in September?

About 1.7 m on average (daily maximum).

What is the weather like at Sumbawa – Scar Reef in September?

Around 32°C by day and 23°C at night, with about 30 sunny and 11 rainy days.

Where else can I go surfing in September?

Within 1,500 km: Uluwatu (2 m waves), Canggu – Batu Bolong (2.1 m waves) & Bali – Padang Padang (2.1 m waves).

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