Koh Samui beaches in September

Thailand • Popular island with palm-fringed beaches and luxury resorts

BeachReviewGuide.com > Thailand > Koh Samui
Ban Tai beach
Bang Kao beach
Bang Makham beach
Bang Po beach
Bang Rak beach
Bo Phut beach

Local impressions & editorial overview

📍 In the Gulf of Thailand off Surat Thani province 🏝️ Tropical island with developed infrastructure and beaches ✅ Best for: Beachgoers, families, luxury travelers and nightlife fans ❌ Avoid if: You seek remote untouched nature or quiet isolation

What to expect from beaches in Koh Samui in September based on 3 reports

🌊 Calm water ☀️ Sunny & warm 🧯 Low jellyfish risk 🏖️ Clean sand 💧 Clean water 🍽️ Food & drinks nearby 🛏️ Sunbeds available

🏖️ Koh Samui Main Beaches in September

Ban Tai

Ban Tai

Ban Tai Beach: quiet, local, rocky, near Big Buddha, few tourists.

 Bang Kao

Bang Kao

long, quiet, with local atmosphere, for total relax without the crowds

 Bang Makham

Bang Makham

A tiny, hidden, rocky cove near Big Buddha, very local and quiet.

 Bang Po

Bang Po

Bang Po Beach: quiet, scenic, with soft sand and calm waters.

 Bang Rak

Bang Rak

Busy ferry pier, shallow water. Views, local vibe.

 Bo Phut

Bo Phut

Historic Fisherman’s Village beach. Modern shops, nice sand.

 Chaweng

Chaweng

The island's longest, most famous, and vibrant beach.

 Chaweng Noi

Chaweng Noi

A serene cove with an tranquil ambiance, against a backdrop of hills

 Crystal Bay

Crystal Bay

exceptionally clean, serene, untouched natural beauty.

 Laem Yai

Laem Yai

A peaceful, local, and undeveloped beach on the remote northwest tip.

 Lamai

Lamai

beach with great dining, nightlife, and iconic rocky scenery

 Lipa Noi

Lipa Noi

A serene west coast beach famous for its stunning sunset views.

 Maenam

Maenam

Famous north shore beach. Peaceful, long, great views.

 Nathon

Nathon

Functional port town beach on west coast, great for ferry sunsets.

 Natien

Natien

A quiet, local, undeveloped beach on Samui's peaceful northeast coast.

 Thongson

Thongson

golden sand, calm shallow water, and peaceful, local atmosphere.

📍 Koh Samui beaches in September by crowd level ▼

All months Jan Feb Mar Apr May Jun Aug Sep Oct Nov Dec
by crowd level by wind level by wave height by water clarity by water cleanliness by sand cleanliness by natural shade by available sunbeds by noise level by animals by beach & water hazards

📍 Koh Samui Overview

📍 Type
Remote Island
🌧️ Best Season
Dec–Apr
📶 Internet
Reliable
🏪 Amenities
Full
🏥 Medical
Hospital nearby
📏 Size
229 km²

Most Common Conditions in September

All months Jan Feb Mar Apr May Jun Aug Sep Oct Nov Dec

All data extracted from public sources. Updated: September 2025.

☀️ Sky condition
Partly cloudy
3/3 reports
💨 Wind
Light
3/3 reports
🌊 Wave Height
Light (0.1–0.2 m)
3/3 reports
💧 Water Clarity
Slightly cloudy
1/3 reports
🚯 Water Cleanliness
Clean
1/3 reports
🏊 Swimming Safety
Safe
1/3 reports
🏖️ Sand Cleanliness
Good
2/3 reports
👥 Crowd Level
Moderate
2/3 reports
🧍 Visitor Type
Families
1/3 reports
🌳 Available Shade
Sparse
2/3 reports
🛏️ Sunbeds available
Yes
3/3 reports
🍔 Food/Drink available
Yes
3/3 reports
🐾 Animals
None
3/3 reports
🔊 Noise
Quiet
2/3 reports
🌡️ Air Temp
29°C
avg from 3 reports
🌊 Water Temp
29°C
avg from 3 reports
Conditions shown represent the most frequently observed values across all verified reports for Koh Samui in September. BeachReviewGuide.com provides machine-readable, video-verified beach condition reports for Koh Samui. Details in dataset description.

📹 Reports (3)

September 2025 👤 Walking Mission in Asia
🌡️ Air Temp: 29☀️ Sky condition: Partly cloudy💨 Wind: Light🌊 Water Temp: 29🌊 Wave Height: Light (0.1–0.2 m)🏖️ Sand Cleanliness: Good👥 Crowd Level: Moderate🧍 Visitor Type: Families🌳 Available Shade: Sparse🛏️ Sunbeds available: Yes🍔 Food/Drink available: Yes🐾 Animals: None
🏖️ Lamai
September 2025 👤 Walking Mission in Asia
🌡️ Air Temp: 30☀️ Sky condition: Partly cloudy💨 Wind: Light🌊 Water Temp: 29🌊 Wave Height: Light (0.1–0.2 m)💧 Water Clarity: Slightly cloudy🚯 Water Cleanliness: Clean🏊 Swimming Safety: Safe🏖️ Sand Cleanliness: Good👥 Crowd Level: Moderate🌳 Available Shade: Sparse🛏️ Sunbeds available: Yes🍔 Food/Drink available: Yes🐾 Animals: None🔊 Noise: Quiet
🏖️ Chaweng
September 2023 👤 Koh Samui, Thailand #Nofilter
🌡️ Air Temp: 28☀️ Sky condition: Partly cloudy💨 Wind: Light🌊 Water Temp: 29🌊 Wave Height: Light (0.1–0.2 m)💧 Water Clarity: Clear🚯 Water Cleanliness: Some debris🏖️ Sand Cleanliness: Some trash👥 Crowd Level: Empty🌳 Available Shade: Moderate🛏️ Sunbeds available: Yes🍔 Food/Drink available: Yes🐾 Animals: None🔊 Noise: Quiet
🏖️ Bang Rak

🏨 Where to Stay on Koh Samui

Koh Samui offers a wide range of accommodation — from budget and mid-range hotels to luxury beachfront resorts. Booking in advance is essential during high season (Dec–Apr).

Booking.com Agoda Trip.com