Laos weather & when to go: September

September overview

September’s weather conditions in Laos are similar to August, with a high probability of rain. Although as the month rolls on and dry season approaches the intense downpours become more infrequent and less severe, and sunshine gradually replaces overcast skies.

Excellent
Very Good
Good/Mixed
Poor
Not Advised

Annual overview

  Best   Good
  Mixed   Poor
Jan Feb Mar Apr May Jun
Jul Aug Sep Oct Nov Dec

September's weather in detail

Whilst rainfall can still be expected throughout Laos during September, there is an end in sight and there are fewer wet days as the month progresses. Following months of rain, the lush green countryside around Vang Vieng and Muang La is at its most picturesque in September, and the waterfalls around the 4000 Islands at their most impressive. 

Temperatures begin to drop slightly in September, with averages of 26°C experienced in Luang Prabang and Vientiane, and 27°C in Pakse and the southern provinces. Humidity levels remain around 80%. 


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Key Festivals & Religious Ceremonies

 Bouk Ok Pansa

September or October. Marks the end of the Buddhist fast. 

⟵ August

October ⟶