Laos weather in September 2025
Laos weather in September 2025
Day
31 °C
Night
22 °C
Precipitation
281 mm
in month
Rainy days
17 days
in month
Daylight
12 hours
average
Sunshine
5 hours
average
Humidity
86 %
Day
31 °C
Night
22 °C
Precipitation
281 mm
in month
Rainy days
17 days
in month
Daylight
12 hours
average
Sunshine
5 hours
average
Humidity
86 %
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Weather overview and FAQs
Weather overview
In September in Laos, the average air temperature ranges from 31 °C (88 °F) during the day to 22 °C (72 °F) at night. There are 17 days of rain on average, where the rainfall is 281 mm (11.06 in).
Is September a good month to visit Laos?
Laos can be visited in September - the weather will be moderate. In Laos in September, there is a wet season, which means that it could rain more often there during your stay.
What is the temperature in Laos during the day in September?
In Laos in September, the average daily temperatures will be 31 °C (88 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.
How heavy is the precipitation in September in Laos?
In Laos in September, there is 281 mm (11.06 in) rainfall, which means on average 9 mm (0.37 in) rainfall per day.
What is the air temperature in Laos in September at night?
The average night temperature in Laos in September is 22 °C (72 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.
How many rainy days can I expect in Laos in September?
There are 17 days, which are rainy in September in Laos, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 4.0 days of the week, or in general - 57 % days.
Is the weather in Laos warmer in September than in August?
No, September is not warmer in Laos than August.
Is there a wet season in Laos in September?
Yes, in Laos in September there is a wet season with 17 days, when there is rain in a month.
How many hours of sun to expect in Laos in September?
In September in Laos, you can expect around 6 hours of sunshine.
How windy is it in September in Laos?
An average wind scale that can be expected in Laos in September is 1. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.
How long is the day (from dawn till dusk) in Laos in September?
The length of daylight in Laos in September is 12 hours.
Is it hot in September in Laos?
In Laos in September, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What is the humidity in September in Laos?
Humidity in Laos in September is 86 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
Is Laos rainier in September than in October?
Yes, Laos is a rainier September than in October.