Click on a day for an hourly weather forecast
The weather in Laos in September is very hot. The average temperatures are between 24°C and 32°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of September in Laos.
Laos should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Laos in September 2025.
If you’re planning to visit Laos in the near future, we highly recommend that you review the 14 day weather forecast for Laos before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 30° / 17° | 1 | 30 | 0 | 21 mm | Good | Laos in January |
| February | 34° / 21° | 0 | 28 | 0 | 11 mm | Ok | Laos in February |
| March | 36° / 24° | 2 | 29 | 0 | 39 mm | Ok | Laos in March |
| April | 38° / 26° | 4 | 26 | 0 | 91 mm | Bad | Laos in April |
| May | 36° / 26° | 10 | 22 | 0 | 282 mm | Bad | Laos in May |
| June | 33° / 25° | 13 | 17 | 0 | 352 mm | Ok | Laos in June |
| July | 31° / 24° | 18 | 13 | 0 | 476 mm | Ok | Laos in July |
| August | 31° / 24° | 17 | 14 | 0 | 515 mm | Ok | Laos in August |
| September | 32° / 24° | 15 | 15 | 0 | 362 mm | Ok | Laos in September |
| October | 31° / 22° | 6 | 25 | 0 | 141 mm | Good | Laos in October |
| November | 31° / 20° | 1 | 29 | 0 | 33 mm | Good | Laos in November |
| December | 29° / 18° | 0 | 31 | 0 | 12 mm | Good | Laos in December |