Chaweng Beach Weather in September
Chaweng Beach in September sees high temperatures, with highs around 30°C (86°F) and overnight lows of 27°C (81°F). Rainfall is fairly high at around 162 mm (6.4 in) on average, so pack waterproofs just in case.
Rainfall in Chaweng Beach in September
On average, there are about 18 days with rain during this month, averaging 162 mm (6.4 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Chaweng Beach in September
September in Chaweng Beach brings typical temperatures with highs around 30°C (86°F) and lows of 27°C (81°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Sunshine in Chaweng Beach in September
The area enjoys a moderate level of sunlight, with around 145 hours. It's a good balance between sunny and cloudy days.
Average water temperature in September
At 29°C (84°F), the water feels bath-warm. Fine for swimming, but those looking for a cooling swim may be a bit disappointed.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January and February typically offer the best weather for Chaweng Beach.
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 Chaweng Beach's climate page.
Chaweng Beach Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Water Temperature
29°C (84°F) *
Chance of Rain
58%
Precipitation
162 mm (6.4 in)
Rainy days
18 days
Humidity
79% *
Sunshine
145 hours *
Percentage Sunshine
*
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Chaweng Beach typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in September
Daily Historical Precipitation
48-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 Chaweng Beach in September
Browse day-by-day weather records for Chaweng Beach spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Chaweng Beach historical weather extremes in September
The extremes listed below come from historical weather data collected in Chaweng Beach from 1986 through 2025.
- Chaweng Beach recorded its highest September temperature of 36°C (97°F) on September 13, 2005.
- Chaweng Beach experienced its chilliest September day on September 18, 1995, reaching only 26°C (79°F).
- Chaweng Beach registered its coldest September night on September 25, 2012, with temperatures dropping to 20°C (68°F).
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
pleasant
tolerable
unpleasant
poor
What to Wear in Chaweng Beach in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Chaweng 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 Chaweng Beach's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Chaweng Beach climate overview or explore weather in Thailand.
