Jomtien Beach Weather in September
September in Jomtien Beach typically sees daytime highs of 32°C (90°F) and nighttime lows of 27°C (81°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Jomtien Beach in September
Historically, September sees about 17 days of rain, with a monthly average of 216 mm (8.5 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Jomtien Beach in September
Jomtien Beach in September gets highs of 32°C (90°F) during the day and drops to 27°C (81°F) at night. Mornings and evenings are often more comfortable than the peak afternoon hours. 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 Jomtien Beach in September
The month experiences a moderate amount of sunlight, with 110 hours of sunshine. This provides a nice balance between sunshine and clouds.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Jomtien 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 Jomtien Beach's climate page.
Jomtien Beach Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
32°C (90°F)
Chance of Rain
57%
Precipitation
216 mm (8.5 in)
Rainy days
17 days
Humidity
81%
Sunshine
110 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Jomtien Beach 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 Jomtien Beach in September
Browse day-by-day weather records for Jomtien Beach spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Jomtien Beach historical weather extremes in September
Our historical data for Jomtien Beach spans 1976 to 2025, revealing these weather extremes.
- On September 13, 1987, temperatures climbed to 38°C (100°F), marking the warmest September day on record.
- Jomtien Beach experienced its chilliest September day on September 5, 1976, reaching only 25°C (77°F).
- The coldest night in September in Jomtien Beach was on September 15, 2010, with a minimum of 18°C (64°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
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What to Wear in Jomtien Beach in September
Warm but pleasant conditions in Jomtien Beach 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. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Jomtien 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 Jomtien Beach's climate page.
Temperature Rainfall Sunshine Humidity
See the full Jomtien Beach climate overview or explore weather in Thailand.
