Weather in Rayong in September
Rayong, Thailand averages a high of 29.3°C (84.7°F) and low of 25.2°C (77.4°F) in September, with 26 rain days and 8 hours of daily sunshine. Travel score: 63/100 (Good). The best time to visit Rayong is December.
High
29°C85°F
Low
25°C77°F
🌧️
26
rain days
☀️
8
hrs/day sunshine
💧
85%
humidity
63— Good
September in Rayong is hot and very rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Rayong?
How much does it rain in Rayong in September?
Rayong receives an average of 294mm of rainfall across 26 rainy days in September. The annual total is 1704.3mm.
What should I pack for Rayong in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 29°C
🧥
Waterproof jacket
Frequent rain expected (26 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
8 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Thailand in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31