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Tachilek Weather in September
Thinking of visiting Tachilek in September? Expect very high temperatures reaching 32°C (90°F) during the day, dropping to 23°C (73°F) at night. Heavy showers are common during the rainy season.
Rainfall in Tachilek in September
Tachilek is in the rainy season in September, with rain on around 18 days and an average of 298 mm (12 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Tachilek in September
In September, Tachilek sees very high temperatures, with highs of 32°C (90°F). Nights drop to around 23°C (73°F). It's usually most comfortable outside during the morning and later in the day. At 23°C (73°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Tachilek in September
The month experiences a moderate amount of sunlight, with 145 hours of sunshine. This provides a nice balance between sunshine and rain.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, November and December typically offer the best weather for Tachilek.
Tachilek Temperature in September
Min Temperature
23°C (73°F)
Max Temperature
32°C (90°F)
Chance of Rain
59%
Precipitation
298 mm (12 in)
Rainy days
18 days
Humidity
83% *
Sunshine
145 hours *
Percentage Sunshine
*
* Data from: Chiang Rai, Thailand (61 KM, 37 Miles).
Tachilek Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Tachilek - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Tachilek typically stay consistent throughout September, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 23°C (73°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 Tachilek in September
Browse day-by-day weather records for Tachilek spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tachilek historical weather extremes in September
Our historical data for Tachilek spans 1976 to 2026, revealing these weather extremes.
- Tachilek recorded its highest September temperature of 36°C (97°F) on September 1, 1983.
- Tachilek experienced its chilliest September day on September 27, 1997, reaching only 23°C (73°F).
- The lowest overnight temperature recorded in September was 18°C (64°F) (September 25, 1986).
- Peak precipitation in September occurred on September 4, 2001, when 160 mm (6.3 in) of precipitation was measured.
Best Places in Myanmar (Burma) in September
Find out more about the weather in Myanmar (Burma) and which places have the best travel conditions in this month. See all of Myanmar (Burma) 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 Tachilek in September
Warm but pleasant conditions in Tachilek 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. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Tachilek in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Tachilek 3-Day Forecast
More climate data for Tachilek
Temperature Rainfall Sunshine Humidity
See the full Tachilek climate overview or explore weather in Myanmar (Burma).
Popular in September
Where to go in September - average daytime high across popular destinations.
Bagan
34°C (93°F) Mandalay33°C (91°F) Bago33°C (91°F) Naypyidaw32°C (90°F) Yangon32°C (90°F) Pyin Oo Lwin30°C (86°F) Hsipaw30°C (86°F) Taunggyi29°C (84°F) Bucket list
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