Pattaya in September
The wettest month — fewest tourists, unbeatable prices, and green season beauty
September Weather Overview
Temperature
28°C (82°F) – 32°C (90°F)
Rainfall
250mm (18 days)
Humidity
80%
Sea Temperature
29°C (84°F)
Season: Rainy (Wettest) • Sunshine: 5 hours/day • Sea Conditions: Rough seas with strong currents — swimming only at sheltered beaches, island trips often cancelled
Events & Festivals
Chinese Vegetarian Festival (some years)
Nine-day Taoist celebration with strict vegetarian food, spirit medium processions, and firewalking. Centered around Chinese shrines in Naklua.
International Swan Boat Races (some years)
Traditional Thai long-boat racing on Mabprachan Reservoir. Teams from across Thailand compete in colorful dragon-prowed boats.
End-of-Rainy-Season Temple Fairs
Local temples begin hosting fairs with food stalls, traditional games, and performances as the rainy season begins to wind down.
Pricing Trends
Hotels (3-star)
Rock-bottom prices — some of the best deals all year
Hotels (5-star)
Luxury for less — suites at 3-star prices
Flights (from Europe)
Cheapest fares of the year with minimal competition
Condo rentals
Best negotiating power — landlords keen to avoid empty units
Songthaew rides
Local transport unaffected by season
Best Activities in September
Indoor Cultural Experiences
Visit the Sanctuary of Truth, Art in Paradise, or take a Thai cultural workshop. Rain makes indoor attractions the smart choice.
Green Season Photography
Dramatic cloud formations, lush vegetation, and empty beaches create stunning photo opportunities unique to this time of year.
Spa & Wellness Retreats
Multi-day spa packages at luxury resorts are at their cheapest. Combine Thai massage, herbal treatments, and yoga sessions.
Local Food Adventures
Rainy season brings seasonal fruits like mangosteen and rambutan. Explore local restaurants and street food without the tourist markup.
Muay Thai Training
Train at a Muay Thai camp — cooler mornings before the rain are ideal. Many camps offer weekly packages at low-season rates.
Day Trips to Nearby Cities
Visit Rayong, Chanthaburi gem markets, or Sri Racha. These inland destinations are less affected by coastal weather.
What to Pack
- ✓ Heavy-duty rain jacket with hood
- ✓ Waterproof backpack or dry bags for all electronics
- ✓ Two pairs of quick-dry shoes (one will always be drying)
- ✓ Lightweight long-sleeve shirts for mosquito protection
- ✓ Swimwear — still warm enough for hotel pools
- ✓ Strong DEET insect repellent and after-bite cream
- ✓ Microfiber travel towel (dries fast in humid conditions)
- ✓ Portable umbrella for short walks between covered areas
Pros & Cons of Visiting in September
✅ Pros
- + Absolute lowest prices — luxury hotels at budget prices
- + Fewest tourists of any month, complete peace and quiet
- + Lush green landscapes and dramatic tropical scenery
- + Warm sea and pool temperatures remain comfortable
- + Authentic Thai experience without the tourist bubble
- + Seasonal tropical fruits at their peak
❌ Cons
- − Wettest month — expect heavy daily rainfall
- − Island trips and boat tours frequently cancelled
- − Highest humidity of the year (80%) can be uncomfortable
- − Some restaurants and smaller businesses may close temporarily
- − Beach days are unpredictable — always have a backup plan