Laos · AutumnMonth summary
Laos weather in September
✅ Good
🌡️ Temperature min / max
72°F – 84°F
🌧 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
Autumn in Laos is often underrated: 29°F, 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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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ☀️ January | 59°F | 79°F | 16% | 0.0in | 10.7h | 8.6/10 |
| ☀️ February | 61°F | 86°F | 8% | 0.0in | 11.0h | 8.6/10 |
| ☀️ March | 66°F | 91°F | 16% | 0.0in | 10.6h | 7.6/10 |
| 🌤️ April | 70°F | 93°F | 33% | 0.1in | 10.6h | 7.1/10 |
| ⛅ May | 73°F | 91°F | 60% | 0.2in | 11.1h | 7.0/10 |
| ⛅ June | 73°F | 88°F | 73% | 0.2in | 10.5h | 7.0/10 |
| 🌧️ July | 73°F | 86°F | 84% | 0.4in | 9.6h | 7.0/10 |
| 🌧️ August | 73°F | 86°F | 88% | 0.5in | 8.7h | 6.3/10 |
| ⛅ September | 72°F | 84°F | 81% | 0.3in | 10.5h | 7.1/10 |
| 🌤️ October | 70°F | 84°F | 47% | 0.1in | 10.7h | 7.7/10 |
| ☀️ November | 66°F | 82°F | 22% | 0.0in | 10.2h | 8.6/10 |
| ☀️ December | 59°F | 79°F | 12% | 0.0in | 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 84°F, 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°F
- 🌧 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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