Cha Am Weather in September
September in Cha Am typically sees daytime highs of 32°C (90°F) and nighttime lows of 26°C (79°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Cha Am in September
Analyzing past climate data, one can expect approximately 18 days of rain, averaging 161 mm (6.3 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Cha Am in September
Temperatures in Cha Am in September top out at 32°C (90°F) and drop to 26°C (79°F) overnight. It's usually most comfortable outside during the morning and later in the day. Nights remain warm at around 26°C (79°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.
Sunshine in Cha Am in September
The month experiences a moderate amount of sunlight, with 108 hours of sunshine. This provides a nice balance between sunshine and clouds.If you prefer enjoying temperate temperatures and rain-free days, January, February and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Cha Am's climate page.
Cha Am Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
32°C (90°F)
Chance of Rain
59%
Precipitation
161 mm (6.3 in)
Rainy days
18 days
Humidity
77% *
Sunshine
108 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cha Am typically stay consistent throughout September, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 26°C (79°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 Cha Am in September
Browse day-by-day weather records for Cha Am spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cha Am historical weather extremes in September
Our historical data for Cha Am spans 1976 to 2025, revealing these weather extremes.
- The warmest day in September was on September 10, 1978, with a maximum of 38°C (100°F).
- Cha Am experienced its chilliest September day on September 5, 1976, reaching only 25°C (77°F).
- The coldest night in September in Cha Am was on September 5, 1976, with a minimum of 22°C (72°F).
- The wettest day in September Cha Am was on September 21, 1997 with 87 mm (3.4 in) of precipitation.
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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tolerable
unpleasant
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What to Wear in Cha Am in September
Warm but pleasant conditions in Cha Am in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Cha Am 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 Cha Am's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cha Am climate overview or explore weather in Thailand.
