Vietnam Da Lat Weather in September — Climate Guide
September in Da Lat is moderate
Da Lat Weather in September — Quick Answer
As of 2026- Avg temp
- 24° / 13°
- Rainfall
- 280mm · 21 days
- Crowds
- Quiet
As of 2026, Da Lat in September averages a high of 24°C and low of 13°C with 280mm of rain over about 21 days. Monsoon tail + September is actually one of the wettest months. Rainfall climbs to 280mm. Quick-dry clothes + packable rain shell mandatory. Days 24°C / 75°F + evenings 13°C / 55°F.
September is moderate for Da Lat.
September is monsoon tail with the year's heaviest rainfall at 280mm + 21 rainy days. Days 24°C / 75°F + evenings 13°C / 55°F. Pricing remains at June lows — boutique $30-70/night, Dalat Palace + Ana Mandara + Swiss-Belresort $170-330. 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. Da Lat Mid-Autumn lantern displays at Lam Vien Square + the Da Lat Flower Garden + Hòa Bình Square 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 75°F / 24°C highs and 55°F / 13°C lows with 21 rainy days and 280mm of rain — the year's wettest. Humidity 85%, UV 9, sunshine 5.5 hours.
September Travel Advice
Travel insurance with cancellation coverage absolutely essential. Plan luxury on-property itinerary + Tết Trung Thu Mid-Autumn evening lantern displays. 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 (year's lowest tied with June). Korean Chuseok holiday brings brief regional uptick.
September Pricing Trends
Year's lowest pricing tied with June: boutique $30-70/night, Dalat Palace $170-330, Ana Mandara $180-340. SGN domestic $50-100. International via SGN $350-650.
Da Lat September Weather Stats
Avg High
24°C
Avg Low
13°C
Rainy Days
21
280mm total
Sunshine
5.5h
Daily avg
Humidity
85%
very humid
UV Index
9
Very high
Wind
7 km/h
Gusts 20
Sea Temp
28°C
Xuan Huong Lake muddy + rough afternoons
Crowds
Quiet
At attractions
September Sunrise & Sunset
Air Quality
PM2.5
11 μg/m³
PM10
22 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
26°C
Nighttime
13°C
Humidity and wind affect how the actual temperature feels.
Wind
7 km/h
Max gust 20 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 280mm
- 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
Da Lat in September — Full Picture
September is monsoon tail with the year's heaviest rainfall at 280mm + 21 rainy days. Days 24°C / 75°F + evenings 13°C / 55°F. Pricing remains at June lows — boutique $30-70/night, Dalat Palace + Ana Mandara + Swiss-Belresort $170-330. 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. Da Lat Mid-Autumn lantern displays at Lam Vien Square + the Da Lat Flower Garden + Hòa Bình Square 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 one of the wettest months. Rainfall climbs to 280mm. Quick-dry clothes + packable rain shell mandatory. Days 24°C / 75°F + evenings 13°C / 55°F.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
25°C
13°C
9.7/mo
Summer (Jun·Jul·Aug)
24°C
14°C
20/mo
Autumn (Sep·Oct·Nov)
Current23.3°C
12.3°C
15.3/mo
Winter (Dec·Jan·Feb)
21.7°C
9.3°C
2.3/mo
Da Lat Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 21° | 9° | 2d·10mm | 8h | 75% | 9 | Very busy | Peak |
| February (Best) | 23° | 10° | 2d·15mm | 9h | 70% | 10 | Very busy | Peak |
| March (Best) | 25° | 12° | 4d·60mm | 8.5h | 70% | 11 | Busy | Shoulder |
| 25° | 13° | 9d·130mm | 7.5h | 75% | 11 | Busy | Shoulder | |
| 25° | 14° | 16d·200mm | 7h | 80% | 11 | Moderate | Shoulder | |
| 24° | 14° | 19d·220mm | 6h | 82% | 10 | Quiet | Low season | |
| 24° | 14° | 20d·240mm | 6h | 85% | 10 | Moderate | Shoulder | |
| 24° | 14° | 21d·250mm | 6h | 85% | 10 | Moderate | Shoulder | |
| 24° | 13° | 21d·280mm | 5.5h | 85% | 9 | Quiet | Low season | |
| 24° | 13° | 17d·200mm | 6.5h | 80% | 9 | Moderate | Low season | |
| November (Best) | 22° | 11° | 8d·90mm | 7.5h | 75% | 9 | Very busy | Peak |
| December (Best) | 21° | 9° | 3d·25mm | 8h | 75% | 9 | Busy | Peak |
View Other Months
Da Lat September Hotel Picks
Frequently Asked Questions
Is September a good time to visit Da Lat?
Da Lat in September is moderate. Tourist crowds are quiet and flight/hotel prices are low season.
What's the average temperature in Da Lat in September?
Da Lat September averages a high of 24°C and a low of 13°C.
Does it rain much in Da Lat in September?
Da Lat September averages 280mm of rainfall over about 21 rainy days.
What should I wear in Da Lat in September?
Monsoon tail + September is actually one of the wettest months. Rainfall climbs to 280mm. Quick-dry clothes + packable rain shell mandatory. Days 24°C / 75°F + evenings 13°C / 55°F.
What time are sunrise and sunset in Da Lat in September?
Da Lat September sunrise is 05:50 and sunset is 17:45, with 11h 55min of daylight.
What's the air quality like in Da Lat in September?
Da Lat September air quality (AQI) averages 28, rated Good. PM2.5 averages 11μg/m³.
What activities are recommended in Da Lat in September?
In September, Da Lat is great for Tết Trung Thu lantern displays (Lam Vien Square + Flower Garden), Hotel spa + pool, Mê Linh Coffee Garden morning.
Is September peak season in Da Lat?
Da Lat September crowds are quiet and prices are low season. You can travel relatively comfortably without long queues.
Best Months to Visit Da Lat
View Other Months
Planning a September trip to Da Lat?
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.