Laos · AutumnMonth summary
Laos weather in September
✅ Good
🌡️ Temperature min / max
22°C – 29°C
🌧 Rainy days
81% of days
☀️ Sunshine
10.5h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.1/10
📅 📅 Best month
January (8.6/10)
Quick decision
Should you visit Laos in September?
✅ Good
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: September is a good time to visit Laos. January remains slightly better (+1.5 pts).
By trip type
Laos in September by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in September
🎯 Harvest season — fresh local produce at markets and restaurants Autumn in Laos is often underrated: 29°C, golden light and declining crowds. An interesting window. With 81% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. January (8.6/10) is significantly better if possible.
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All months for Laos
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ☀️ January | 15°C | 26°C | 16% | 1.1 | 10.7h | 8.6/10 |
| ☀️ February | 16°C | 30°C | 8% | 0.8 | 11.0h | 8.6/10 |
| ☀️ March | 19°C | 33°C | 16% | 1.1 | 10.6h | 7.6/10 |
| 🌤️ April | 21°C | 34°C | 33% | 2.8 | 10.6h | 7.1/10 |
| ⛅ May | 23°C | 33°C | 60% | 5.5 | 11.1h | 7.0/10 |
| ⛅ June | 23°C | 31°C | 73% | 6.3 | 10.5h | 7.0/10 |
| 🌧️ July | 23°C | 30°C | 84% | 9.7 | 9.6h | 7.0/10 |
| 🌧️ August | 23°C | 30°C | 88% | 11.6 | 8.7h | 6.3/10 |
| ⛅ September | 22°C | 29°C | 81% | 8.0 | 10.5h | 7.1/10 |
| 🌤️ October | 21°C | 29°C | 47% | 3.4 | 10.7h | 7.7/10 |
| ☀️ November | 19°C | 28°C | 22% | 1.2 | 10.2h | 8.6/10 |
| ☀️ December | 15°C | 26°C | 12% | 0.6 | 10.2h | 8.6/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In September, Laos averages 29°C, 81% rainy days and 10.5h of sunshine per day. Overall weather score: 7.1/10.
See methodology →
Comparison
September vs January (best month)
The best month is January (score 8.6/10). Difference:
- 🌡️ Max temperature : -3°C
- 🌧 Rainy days : -65%
- ☀️ Sunshine : +0.2h/day
FAQ
FAQ — Laos in September
Is September a good time to visit Laos?
September is an acceptable time for Laos (score 7.1/10). Conditions are decent but not optimal — consider January (8.6/10) if possible.
Does it rain a lot in Laos in September?
Yes, 81% of days see rain in September. Plan some indoor activities as backup.
Accommodation
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Activities & tours
Activities and tours in Laos
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