Ban Nalom Weather in September
September in Ban Nalom typically sees daytime highs of 33°C (91°F) and nighttime lows of 25°C (77°F). September falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Ban Nalom in September
Ban Nalom is in the rainy season in September, with rain on around 19 days and an average of 330 mm (13 in). The rain this month falls heavily when it arrives. Late afternoons in particular can see strong showers, so waterproofs are worth keeping handy.
Temperature in Ban Nalom in September
Expect highs of 33°C (91°F) in Ban Nalom in September, with nights dropping to around 25°C (77°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Ban Nalom in September
The city usually sees around 168 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Ban Nalom. 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 Laos, check out our Ban Nalom's climate page.
Ban Nalom Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
33°C (91°F)
Chance of Rain
63%
Precipitation
330 mm (13 in)
Rainy days
19 days
Humidity
83% *
Sunshine
168 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ban Nalom typically stay consistent throughout September, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 25°C (77°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 Ban Nalom in September
Browse day-by-day weather records for Ban Nalom spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ban Nalom historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Ban Nalom.
- On September 23, 1981, temperatures climbed to 39°C (102°F), marking the warmest September day on record.
- On September 10, 2004, Ban Nalom saw its coldest September day with temperatures maxing out at 25°C (77°F).
- Nighttime temperatures dropped to 21°C (70°F) on September 25, 2019, marking the coldest September night on record.
- The heaviest September precipitation occurred on September 2, 2014, when 154 mm (6.1 in) of precipitation fell.
Best Places in Laos in September
Find out more about the weather in Laos and which places have the best travel conditions in this month. See all of Laos in September →
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What to Wear in Ban Nalom in September
Warm but pleasant conditions in Ban Nalom 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 Ban Nalom 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 Laos, check out our Ban Nalom's climate page.
Temperature Rainfall Sunshine Humidity
See the full Ban Nalom climate overview or explore weather in Laos.
