Hoi An · AutumnMonth summary
Hoi An weather in September
✅ Good
🌡️ Temperature min / max
77°F – 88°F
🌧 Rainy days
77% of days
☀️ Sunshine
11.0h per day on average
🌊 🌊 Season
Autumn
⭐ ⭐ Weather score
7.0/10
📅 📅 Best month
March (8.2/10)
Quick decision
Should you visit Hoi An 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: Hoi An in September: 88°F and 11.0h of sunshine. Decent, but not the peak.
By trip type
Hoi An 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 Hoi An is often underrated: 31°F, golden light and declining crowds. An interesting window. With 77% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. March (8.2/10) is significantly better if possible.
Browse by month
All months for Hoi An
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌧️ January | 68°F | 75°F | 65% | 0.2in | 8.4h | 7.1/10 |
| 🌤️ February | 68°F | 77°F | 49% | 0.1in | 9.4h | 7.4/10 |
| 🌤️ March | 72°F | 81°F | 30% | 0.1in | 10.6h | 8.2/10 |
| 🌤️ April | 75°F | 86°F | 25% | 0.1in | 11.2h | 8.1/10 |
| 🌤️ May | 79°F | 90°F | 44% | 0.1in | 11.6h | 7.4/10 |
| 🌤️ June | 81°F | 93°F | 44% | 0.1in | 12.0h | 7.1/10 |
| 🌤️ July | 79°F | 93°F | 53% | 0.2in | 11.9h | 7.0/10 |
| 🌤️ August | 79°F | 93°F | 57% | 0.2in | 11.7h | 7.0/10 |
| ⛅ September | 77°F | 88°F | 77% | 0.4in | 11.0h | 7.0/10 |
| 🌧️ October | 75°F | 82°F | 84% | 0.6in | 9.4h | 7.0/10 |
| 🌧️ November | 73°F | 81°F | 81% | 0.6in | 8.3h | 7.0/10 |
| 🌧️ December | 70°F | 77°F | 85% | 0.5in | 5.0h | 5.3/10 |
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, Hoi An averages 88°F, 77% rainy days and 11.0h of sunshine per day. Overall weather score: 7.0/10.
See methodology →
Comparison
September vs March (best month)
The best month is March (score 8.2/10). Difference:
- 🌡️ Max temperature : -4°F
- 🌧 Rainy days : -47%
- ☀️ Sunshine : -0.4h/day
FAQ
FAQ — Hoi An in September
Is September a good time to visit Hoi An?
September is an acceptable time for Hoi An (score 7.0/10). Conditions are decent but not optimal — consider March (8.2/10) if possible.
Does it rain a lot in Hoi An in September?
Yes, 77% of days see rain in September. Plan some indoor activities as backup.
Accommodation
Find a place to stay in Hoi An
Find places to stay in Hoi An in September
Search on Hotels.com
Activities & tours
Activities and tours in Hoi An
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
Find a flight to Hoi An
Compare flights from all airlines.
Search flights
←
Explore also
Similar destinations in September
🌍 Top destinations
Other top destinations in September
Puerto Vallarta
Banjul
TrinidadWeather rankings
Compare destinations by weather
Best in EuropeGuides & comparisons