Stung Treng Weather in September
In Stung Treng, September brings very high daytime temperatures around 32°C (90°F), with nights cooling to 25°C (77°F). It is the wettest month of the year, so expect more rainfall than usual.
Rainfall in Stung Treng in September
As part of the rainy season, Stung Treng sees around 19 days of rain in September, with an average of 342 mm (13 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Stung Treng in September
September in Stung Treng brings typical temperatures with highs around 32°C (90°F) and lows of 25°C (77°F). It's usually most comfortable outside during the morning and later in the day. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably. This month stands out for its mildest temperatures but still delivers warm days.
Sunshine in Stung Treng in September
With about 108 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.
Wind Speed in Stung Treng in September
Wind speeds average 1 m/s (2 knots) during September. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.September in Stung Treng has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Cambodia, check out our Stung Treng's climate page.
Stung Treng Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
32°C (90°F)
Chance of Rain
63%
Precipitation
342 mm (13 in)
Rainy days
19 days
Humidity
89%
Windspeed
1 m/s (2 knots)
Sunshine
108 hours
Percentage Sunshine
Historical weather for Stung Treng in September
Browse day-by-day weather records for Stung Treng spanning 33 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Stung Treng historical weather extremes in September
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Stung Treng.
- The warmest day in September was on September 30, 2015, with a maximum of 35°C (95°F).
- The coldest September day was on September 30, 2009, with a maximum of 24°C (75°F).
- Stung Treng registered its coldest September night on September 26, 2006, with temperatures dropping to 22°C (72°F).
- The wettest day in September Stung Treng was on September 26, 2025 with 209 mm (8.2 in) of precipitation.
Best Places in Cambodia in September
Find out more about the weather in Cambodia and which places have the best travel conditions in this month. See all of Cambodia in September →
perfect weather
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tolerable
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What to Wear in Stung Treng in September
Warm but pleasant conditions in Stung Treng 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 Stung Treng 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 Cambodia, check out our Stung Treng's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Stung Treng climate overview or explore weather in Cambodia.
