Siem Reap (Cambodia) and Luang Prabang (Laos) share a continental monsoon climate, but Luang Prabang, further north and higher, stays cooler.
Comparison · September
Siem Reap / Angkor or Luang Prabang in September?
Siem Reap / Angkor
Nord-Ouest · Cambodge
52/100 · Acceptable
Air28°C
Waterno swimming
Rain19 rainy days
Sun5h sun
The verdict
Luang Prabang wins by a wide margin in September
Luang Prabang keeps 15 rainy days and 6h sun where Siem Reap / Angkor takes 19 rainy days. With equal budget and flights, the weather gap justifies the detour.
Change month
Frequently asked questions
What's the best month to visit both Siem Reap / Angkor and Luang Prabang?
February offers the best simultaneous conditions for both: Siem Reap / Angkor (100/100) and Luang Prabang (100/100).
Can you combine Siem Reap / Angkor and Luang Prabang in the same trip?
This requires an international flight between Cambodia and Laos, as the two cities aren't linked by a practical overland route for travelers.