Cha Am
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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.

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
*
* Data from: Hua Hin, Thailand (25 KM, 15 Miles).

Cha Am Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Cha Am - and find the best time to visit.

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 records 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 2026, 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).

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

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    7/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    7/10
  • Outdoor sports
    7/10

Cha Am 3-Day Forecast

More climate data for Cha Am

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.