Vietnam Mui Ne Weather in September — Climate Guide
September in Mui Ne is moderate
Mui Ne Weather in September — Quick Answer
As of 2026- Avg temp
- 30° / 24°
- Rainfall
- 200mm · 18 days
- Crowds
- Quiet
As of 2026, Mui Ne in September averages a high of 30°C and low of 24°C with 200mm of rain over about 18 days. Monsoon tail + September is actually the wettest month for Mui Ne. Rainfall climbs to 200mm. Quick-dry + packable rain shell mandatory. Days 30°C / 86°F + evenings 24°C / 75°F.
September is moderate for Mui Ne.
September is Mui Ne's wettest month with 200mm + 18 rainy days. Days 30°C / 86°F + evenings 24°C / 75°F. Pricing remains at June lows — boutique $40-80/night, Anantara + The Anam + Cham Villas $180-340. Tết Trung Thu (Vietnamese Mid-Autumn Festival, lunar 8th month 15th day — typically mid-September) is the major cultural event — children's lantern parades + mooncake gifting + lion dances. Mui Ne fishing village + Phan Thiet street parades during Mid-Autumn are photogenic. Atmosphere is festive but family-focused rather than tourist-oriented. The trade-off: rain still heavy enough that outdoor photography is compromised. Honestly, September is the hardest sell — only on-property honeymoon couples at luxury hotels and Mid-Autumn Festival cultural-photographers consistently report good experiences.
Travel score
Mid-Autumn Festival + year's lowest pricing + monsoon tail
September Weather at a Glance
September averages 86°F / 30°C highs and 75°F / 24°C lows with 18 rainy days and 200mm of rain — the year's wettest. Humidity 84%, UV 10, sunshine 6.5 hours.
September Travel Advice
Travel insurance with cancellation coverage absolutely essential. Plan luxury on-property itinerary + Tết Trung Thu Mid-Autumn evening lantern displays in Phan Thiet. Korean Chuseok (varies, mid-September) brings brief regional uptick.
Flying In from Overseas
Year's lowest international flight pricing tied with June. International via SGN $350-650. Korean Chuseok holiday brings brief regional uptick.
September Pricing Trends
Year's lowest pricing tied with June: boutique $40-80/night, Anantara $200-360, The Anam $180-340. SGN private car $40-60. International via SGN $350-650.
Mui Ne September Weather Stats
Avg High
30°C
Avg Low
24°C
Rainy Days
18
200mm total
Sunshine
6.5h
Daily avg
Humidity
84%
very humid
UV Index
10
Very high
Wind
10 km/h
Gusts 22
Sea Temp
28°C
Sea 28°C — warm + comfortable for swimming
Crowds
Quiet
At attractions
September Sunrise & Sunset
Air Quality
PM2.5
10 μg/m³
PM10
20 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
32°C
Nighttime
24°C
Humidity and wind affect how the actual temperature feels.
Wind
10 km/h
Max gust 22 km/h
Activities Recommended for September
September Travel Pros & Cons
Pros
- Year's lowest pricing tied with June
- Tết Trung Thu Mid-Autumn Festival cultural depth
- Tourist crowds at year-low
Cons
- Year's wettest month at 200mm
- Outdoor photography compromised
- Some attractions limited operating hours during Mid-Autumn
September Events & Festivals
- Vietnamese Mid-Autumn Festival (Tết Trung Thu, lunar 8th month 15th day — typically mid-September) — children's lantern festival + mooncakes
- Year's lowest pricing tied with June
- Korean Chuseok holiday imminent
- Western autumn shoulder begins
Mui Ne in September — Full Picture
September is Mui Ne's wettest month with 200mm + 18 rainy days. Days 30°C / 86°F + evenings 24°C / 75°F. Pricing remains at June lows — boutique $40-80/night, Anantara + The Anam + Cham Villas $180-340. Tết Trung Thu (Vietnamese Mid-Autumn Festival, lunar 8th month 15th day — typically mid-September) is the major cultural event — children's lantern parades + mooncake gifting + lion dances. Mui Ne fishing village + Phan Thiet street parades during Mid-Autumn are photogenic. Atmosphere is festive but family-focused rather than tourist-oriented. The trade-off: rain still heavy enough that outdoor photography is compromised. Honestly, September is the hardest sell — only on-property honeymoon couples at luxury hotels and Mid-Autumn Festival cultural-photographers consistently report good experiences.
What to Wear & What to Pack
Monsoon tail + September is actually the wettest month for Mui Ne. Rainfall climbs to 200mm. Quick-dry + packable rain shell mandatory. Days 30°C / 86°F + evenings 24°C / 75°F.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
31.3°C
23.7°C
4/mo
Summer (Jun·Jul·Aug)
30.3°C
25°C
15.7/mo
Autumn (Sep·Oct·Nov)
Current29°C
23.3°C
12.3/mo
Winter (Dec·Jan·Feb)
28°C
21°C
1.3/mo
Mui Ne Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 28° | 21° | 1d·5mm | 9h | 70% | 11 | Very busy | Peak |
| February (Best) | 29° | 21° | 1d·3mm | 10h | 70% | 11 | Very busy | Peak |
| March (Best) | 30° | 22° | 1d·10mm | 10h | 72% | 12 | Busy | Shoulder |
| 32° | 24° | 3d·30mm | 9.5h | 75% | 12 | Moderate | Shoulder | |
| 32° | 25° | 8d·80mm | 8h | 80% | 11 | Moderate | Shoulder | |
| 31° | 25° | 14d·130mm | 7h | 82% | 10 | Quiet | Low season | |
| 30° | 25° | 16d·150mm | 7h | 84% | 10 | Moderate | Shoulder | |
| 30° | 25° | 17d·170mm | 7h | 84% | 10 | Moderate | Shoulder | |
| 30° | 24° | 18d·200mm | 6.5h | 84% | 10 | Quiet | Low season | |
| 29° | 24° | 14d·150mm | 7h | 80% | 10 | Moderate | Low season | |
| November (Best) | 28° | 22° | 5d·50mm | 8h | 75% | 10 | Very busy | Peak |
| December (Best) | 27° | 21° | 2d·15mm | 9h | 72% | 11 | Very busy | Peak |
View Other Months
Mui Ne September Hotel Picks
Frequently Asked Questions
Is September a good time to visit Mui Ne?
Mui Ne in September is moderate. Tourist crowds are quiet and flight/hotel prices are low season.
What's the average temperature in Mui Ne in September?
Mui Ne September averages a high of 30°C and a low of 24°C.
Does it rain much in Mui Ne in September?
Mui Ne September averages 200mm of rainfall over about 18 rainy days.
What should I wear in Mui Ne in September?
Monsoon tail + September is actually the wettest month for Mui Ne. Rainfall climbs to 200mm. Quick-dry + packable rain shell mandatory. Days 30°C / 86°F + evenings 24°C / 75°F.
What time are sunrise and sunset in Mui Ne in September?
Mui Ne September sunrise is 05:40 and sunset is 17:50, with 12h 10min of daylight.
What's the air quality like in Mui Ne in September?
Mui Ne September air quality (AQI) averages 26, rated Good. PM2.5 averages 10μg/m³.
What activities are recommended in Mui Ne in September?
In September, Mui Ne is great for Tết Trung Thu lantern parades (Phan Thiet downtown), Hotel spa + pool, Mui Ne Fishing Village dawn.
Is September peak season in Mui Ne?
Mui Ne September crowds are quiet and prices are low season. You can travel relatively comfortably without long queues.
Best Months to Visit Mui Ne
View Other Months
Planning a September trip to Mui Ne?
You've checked the weather — next come the budget and the route.
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.