Rawai Beach Weather in September
September in Rawai Beach sees daytime temperatures around 29°C (84°F) and lows of 26°C (79°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Rawai Beach in September
As part of the rainy season, Rawai Beach sees around 22 days of rain in September, with an average of 280 mm (11 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Rawai Beach in September
If you're visiting Rawai Beach in September, expect highs of 29°C (84°F) and overnight lows around 26°C (79°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 26°C (79°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.
Sunshine in Rawai Beach in September
The month brings about 100 hours of sunlight, offering a comfortable mix of sun and rainy moments.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Rawai Beach. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Rawai Beach's climate page.
Rawai Beach Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
74%
Precipitation
280 mm (11 in)
Rainy days
22 days
Humidity
82% *
Sunshine
100 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Rawai Beach typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Rawai Beach in September
Browse day-by-day weather records for Rawai Beach spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rawai Beach historical weather extremes in September
Based on 49 years of weather observations in Rawai Beach between 1976 and 2025, these are the recorded extremes.
- The hottest September day on record in Rawai Beach reached 38°C (100°F) (September 1, 2010).
- The lowest daytime temperature in September was 25°C (77°F), recorded on September 4, 1994.
- Nighttime temperatures dropped to 20°C (68°F) on September 1, 1994, marking the coldest September night on record.
Best Places in Thailand in September
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in September →
perfect weather
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unpleasant
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What to Wear in Rawai Beach in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Rawai Beach in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Rawai Beach's climate page.
Temperature Rainfall Sunshine Humidity
See the full Rawai Beach climate overview or explore weather in Thailand.
