Early September is warm and bright in Hoi An with occasional short showers. Toward the end of the month, rainfall becomes more frequent, but it rarely disrupts sightseeing for long. The payoff: fewer tourists, quieter lantern nights, lush green countryside, and more affordable hotels.
Weather in Hoi An in September
- Average daytime: 27–30°C (80–86°F)
- Night temperature: 23–25°C (73–77°F)
- Rainfall: ~300 mm over 14–16 days
- Humidity: ~82%
- Sea temperature: ~28°C
Why Visit Hoi An in September
- Fewer tourists — quieter lantern nights and shorter restaurant waits
- Lush, green countryside following summer rains
- Excellent photography with soft lighting and vibrant colours
- More affordable hotel rates compared to peak season
Best Things to Do in September
Seasonal Highlights
- Hoi An Lantern Festival: Mid-Autumn Festival features lanterns and cultural performances illuminating the Ancient Town
- Cycling through rice fields: Cooler mornings ideal for countryside biking
- An Bang & Cua Dai beaches: Warm swimming waters
Year-Round Activities
- Heritage street strolls in the Ancient Town
- Central Vietnamese cooking classes
- My Son Sanctuary (ancient Cham ruins)
Rainy Day Options
- Custom-tailored clothing at renowned local shops
- Riverside cafés while watching rain
What to Eat in September
- Cao Lau — distinctive noodle dish unique to Hoi An
- White Rose Dumplings — shrimp-filled delicate dumplings
- Seasonal fruits: longan, rambutan, and dragon fruit at peak sweetness
Suggested Itinerary for September
- Day 1: Ancient Town, Japanese Bridge, night market
- Day 2: Morning cycling tour, An Bang Beach, lantern night
- Day 3: My Son Sanctuary, tailor fitting, street food dinner
Travel Tips for September
- Bring a light rain jacket and waterproof bag for electronics
- Schedule morning activities for clearest skies
- Verify festival dates before booking to experience the lantern night
- Visit beaches early to avoid afternoon showers