Champasak Weather in September

September in Champasak brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 24°C (75°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Champasak in September

As part of the rainy season, Champasak sees around 19 days of rain in September, with an average of 369 mm (15 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Champasak in September

Daytime highs in Champasak in September reach 31°C (88°F), with nights around 24°C (75°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Champasak in September

With about 143 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

September in Champasak can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Laos, check out our Champasak's climate page.

Champasak Temperature in September

Min Temperature 24°C (75°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 63%  

Precipitation 369 mm (15 in)  

Rainy days 19 days  

Humidity 84% *  

Sunshine 143 hours *  

Percentage Sunshine *  

* Data from: Pakse, Laos (26 KM, 16 Miles).

Historical weather for Champasak in September

Browse day-by-day weather records for Champasak spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Champasak historical weather extremes in September

According to our 19 years of weather records for Champasak, the following extremes were recorded between 2006 and 2025.

• The warmest day in September was on September 2, 2006, with a maximum of 40°C (104°F).
• Champasak experienced its chilliest September day on September 25, 2006, reaching only 23°C (73°F).
• Nighttime temperatures dropped to 21°C (70°F) on September 21, 2007, marking the coldest September night on record.
• The heaviest September precipitation occurred on September 18, 2020, when 242 mm (9.5 in) of precipitation fell.

What to Wear in Champasak in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Champasak 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

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Laos, check out our Champasak's climate page.

More climate data for Champasak

Temperature Rainfall Sunshine Humidity

See the full Champasak climate overview or explore weather in Laos.