Koh Phi Phi · AutumnMonth summary
Koh Phi Phi weather in September
✅ Good
🌡️ Temperature min / max
79°F – 82°F
🌧 Rainy days
76% of days
☀️ Sunshine
9.9h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.2/10
📅 📅 Best month
February (8.5/10)
Quick decision
Should you visit Koh Phi Phi 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 Koh Phi Phi. February remains slightly better (+1.3 pts).
By trip type
Koh Phi Phi 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 Koh Phi Phi is often underrated: 28°F, golden light and declining crowds. An interesting window. With 76% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. February (8.5/10) is significantly better if possible.
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All months for Koh Phi Phi
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 77°F | 82°F | 30% | 0.1in | 11.0h | 8.4/10 |
| ☀️ February | 77°F | 84°F | 23% | 0.0in | 11.1h | 8.5/10 |
| 🌤️ March | 79°F | 84°F | 31% | 0.1in | 11.2h | 8.2/10 |
| ⛅ April | 81°F | 84°F | 68% | 0.2in | 11.2h | 7.3/10 |
| ⛅ May | 79°F | 84°F | 84% | 0.3in | 10.2h | 7.0/10 |
| ⛅ June | 79°F | 84°F | 70% | 0.3in | 10.2h | 7.2/10 |
| ⛅ July | 79°F | 84°F | 65% | 0.2in | 10.3h | 7.2/10 |
| ⛅ August | 79°F | 82°F | 73% | 0.3in | 10.3h | 7.2/10 |
| ⛅ September | 79°F | 82°F | 76% | 0.3in | 9.9h | 7.2/10 |
| 🌧️ October | 79°F | 82°F | 88% | 0.4in | 9.2h | 7.0/10 |
| 🌧️ November | 77°F | 82°F | 85% | 0.3in | 9.3h | 7.1/10 |
| 🌤️ December | 77°F | 82°F | 50% | 0.1in | 11.0h | 7.8/10 |
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, Koh Phi Phi averages 82°F, 76% rainy days and 9.9h of sunshine per day. Overall weather score: 7.2/10.
See methodology →
Comparison
September vs February (best month)
The best month is February (score 8.5/10). Difference:
- 🌡️ Max temperature : +1°F
- 🌧 Rainy days : -53%
- ☀️ Sunshine : +1.2h/day
FAQ
FAQ — Koh Phi Phi in September
Is September a good time to visit Koh Phi Phi?
September is an acceptable time for Koh Phi Phi (score 7.2/10). Conditions are decent but not optimal — consider February (8.5/10) if possible.
Does it rain a lot in Koh Phi Phi in September?
Yes, 76% of days see rain in September. Plan some indoor activities as backup.
Accommodation
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Activities & tours
Activities and tours in Koh Phi Phi
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