When to go · Phonsavan
Phonsavan in September
Avoid month. Outside the best window (Nov–Mar). Across Laos: Floods along the Mekong in some years; Kuang Si pools brown and fast.
Key facts
- Verdict
- Avoid
- Temperature
- 27°C81°F / 18°C64°F
- average high / low
- Rain days
- 17
- Crowds
- Low
- Laos overall
- Prices
- Low
- Laos overall
Verdict
AvoidLaos month rating
Outside the best window (Nov–Mar). Across Laos: Floods along the Mekong in some years; Kuang Si pools brown and fast.
Weather in September
- PhonsavanHighs around 27 °C, lows around 18 °C, rain on about 17 daysHighs around 81 °F, lows around 64 °F, rain on about 17 days
- North, Laos · Luang Prabang, Nong Khiaw, Luang Namtha, Phonsavanrainy
Cool, misty mornings Dec–Jan (near 10 °C at altitude); the burning season (Feb–Apr) brings thick smoke; rains wash roads May–Oct.Cool, misty mornings Dec–Jan (near 50 °F at altitude); the burning season (Feb–Apr) brings thick smoke; rains wash roads May–Oct.
Crowds and prices
- Crowds · Laos overall
- Low
- Prices · Laos overall
- Low
Laos overall: Floods along the Mekong in some years; Kuang Si pools brown and fast.
What to pack
- A rain jacket or umbrella and shoes that dry fast