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Da Nang in September

Da Nang Weather in September

🇻🇳 Vietnam

30°C
High
25°C
Low
23
Rain Days
9h
Sunshine
78%
Humidity

Asia🇻🇳 VietnamDa Nang

Updated: March 2026

Is September a Good Time to Visit Da Nang?

4/10
Fair

September is a fair time to visit Da Nang (4/10). With 9 daily sunshine hours and only 23 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 7th sunniest of the year in Da Nang. September suits travellers visiting for indoor culture, food, and architecture rather than outdoor activities. Pack accordingly for 23 potential rain days. October offers a similar profile at lower hotel rates if dates are flexible. Watch out for prolonged rain stretches: with 23 wet days, a fully outdoor itinerary is risky. Build in museum days and covered market visits as contingency. Planning tips: most accommodation categories have availability, and last-minute deals are common. The quieter streets and shorter queues can make this a genuinely enjoyable time to visit for the right type of traveller. Budget-conscious visitors will find the best value of the year in this period.

vs August:32°C avg high

Step off the plane in Da Nang in September and the air meets you at around 30°C, carrying the kind of warmth that makes you reach for sunglasses before your bag is off the belt. By the time evening arrives and temperatures settle near 25°C, the city takes on a different character entirely. With 9 hours of daylight sun on offer, September gives you the raw material for a genuinely memorable trip.

30°C

Avg High

25°C

Avg Low

23 days

Rain Days

9h

Sunshine

78%

Humidity

Temperature in Da Nang in September

The narrow 5°C gap between daytime and overnight temperatures, characteristic of coastal cities with maritime moderation, means a single mid-layer works across the whole day. At 78% humidity, the 30°C daytime high feels 2-4°C warmer in practice: quick-dry fabrics and shade-seeking between noon and 3pm are the sensible response. UV index averages 6 this month, classed as moderate. Sunscreen is a sensible precaution for extended outdoor time, particularly at midday. Winds are calm at an average 13 km/h, so wind-chill is not a factor in planning your clothing. In Fahrenheit: 86°F average high, 77°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).

Temperature in September

Monthly Precipitation (mm)

What to Wear in Da Nang in September

Morning25°CBefore the day warms up
Afternoon30°CPeak daytime temperature
Evening28°CAfter sunset cools down

Packing for Da Nang in September means dressing for 30°C days and 25°C evenings. A lightweight linen or cotton shirt with loose-fit trousers or a sundress handles the 30°C daytime heat. Evening temperatures settle at 25°C, a modest 5°C drop that a light cardigan or denim jacket covers. For footwear, breathable walking sandals work for casual exploration, but closed-toe trainers are better for uneven surfaces in the historic centre. With 23 rain days expected, a compact travel umbrella is worth the bag space. A waterproof jacket is better than an umbrella if you plan full-day outdoor routes. For temple and religious site visits, carry a lightweight scarf or sarong to cover shoulders and knees, required at most major sites across the region. At 78% average humidity, quick-dry synthetic or bamboo fabrics dry overnight and stay comfortable longer than cotton.

💡

Local tip: Loose-weave linen and moisture-wicking fabrics are the practical choice in Da Nang's heat and humidity. Many shopping centres run air conditioning at near-arctic levels, so a thin layer in your bag prevents discomfort indoors.

Events in Da Nang in September

September has no major festivals or public holidays in Da Nang, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.

What to Pack for Da Nang in September

Based on 30°C average highs and 23 rainy days

  • Light layers for morning and evening
  • Breathable T-shirts and comfortable trousers
  • UV-protective sunglasses
  • Quick-dry travel towel
  • Anti-chafe balm for long walking days
  • Moisture-wicking synthetic fabrics for active days
  • Compact folding umbrella
  • Waterproof outer layer or packable rain jacket
  • Quick-dry clothing that recovers fast after a shower
  • SPF 30+ sunscreen
  • Comfortable walking shoes (a second pair lets the first air out overnight)
  • Universal travel adapter
  • Small day pack for city exploration
  • Reusable water bottle

Best Activities in Da Nang in September

  • Early morning walk through Da Nang's historic market districtBest before 9amTemperatures are still manageable at 26°C before the midday heat builds
  • Open-air rooftop dining at sunsetFrom 6pm onwardsThe 30°C daytime heat drops noticeably after sunset, making al fresco dining comfortable
  • Waterfront promenade or harbour walkEarly morning or after 5pmSea breezes cut through the humidity, making coastal routes the most pleasant in heat
  • Guided cycling tour of the old quarterFirst tour of the day (7-9am)The low-traffic window before tourist crowds and the cooler morning air make this the prime riding slot
  • Spend a morning in the national or city art museumOpens at 10am; arrive earlyWith 23 rain days expected, having a full-day indoor plan is practical insurance
  • Cooking class focused on regional cuisineHalf-day sessions run 10am-1pm or 3-6pmIndoor activity that fills a rainy half-day with genuine cultural content
  • Visit covered historical sites: cathedral, palace, or bazaarAny time; most crowded middayRoofed monuments and covered markets provide exploration without weather exposure
  • Visit the main botanical garden or city park at seasonal peakYear-round; best light in morningSeptember brings distinct seasonal changes to public green spaces worth exploring
  • Seek out chilled local specialities: cold-brew tea, ice desserts, or chilled seafood at street-level stallsAny time; most atmospheric in evening marketsHot-weather street food culture peaks in September, with vendors setting up specifically for warm evenings

Why is Da Nang warm in September?

Da Nang's September climate is governed by the Inter-Tropical Convergence Zone (ITCZ), which draws moisture-laden trade winds across the region, producing the characteristic wet season rainfall of steamy tropical cities. Daytime heat peaks around 30°C, moderated slightly by afternoon convective showers. Overnight temperatures remain warm at 25°C because the humid air retains heat effectively. Climate data: Open-Meteo ERA5 (1991–2020).

Sunshine Hours

The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.

UV Index

A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate -- wear sunscreen. UV 6-7: High -- hat and SPF 30+ essential. UV 8-10: Very High -- limit midday exposure. UV 11+: Extreme -- seek shade between 10am-4pm.

Rain Days

A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.

Humidity

Relative humidity as a percentage. Below 40%: Dry -- skin and throat may feel parched. 40-60%: Comfortable -- ideal for most people. 60-80%: Sticky -- light, breathable fabrics recommended. Above 80%: Muggy -- heat feels more intense; quick-dry clothing is essential.

Frequently Asked Questions: Da Nang in September

In September, Da Nang experiences average highs of 30°C (86°F) and lows of 25°C (77°F). Expect around 23 rainy days and 9 hours of sunshine per day, with humidity averaging 78%. The 5°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV index averages 6, so sun protection is advisable on clear days.
Da Nang typically sees 23 rainy days in September, with total precipitation of around 293mm. This is a notably wet period. A waterproof jacket or compact umbrella is essential, and it is worth building indoor alternatives into your daily itinerary for the inevitable rainy stretches. For context, the driest month in Da Nang typically sees 4-6 fewer rain days than September.
Pack lightweight, breathable clothing (linen or cotton), a wide-brim sun hat, SPF 50+ sunscreen, and a refillable water bottle for Da Nang in September. The 30°C daytime heat demands sun protection during midday hours, typically 11am to 4pm. A compact travel umbrella is also worth packing, as 23 rainy days means afternoon showers are a real possibility. Quick-dry synthetic fabrics are preferable to cotton in 78% humidity.
September is a reasonable time to visit Da Nang. Expect 23 rainy days, so pack a light rain layer for flexibility. Average temperatures of 30°C make outdoor exploration comfortable during the dry periods. With 9 daily sunshine hours, there are reliable windows of good weather to plan outdoor activities around, even if the month is not the driest on the calendar.
The average high temperature in Da Nang in September is 30°C (86°F), and the average low is 25°C (77°F). The mean daily temperature is approximately 28°C (82°F). The day-to-night range of 5°C is narrow, typical of coastal or maritime cities. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.
The best month to visit Da Nang is generally April. April offers the most sunshine at 10 hours per day and only 9 rainy days. Average temperatures reach 30°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around April gives you the best chance of dry, bright weather.
September is shoulder or low season in Da Nang, meaning fewer tourists and generally lower prices than peak months. With 9 sunshine hours and 23 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.
In September, Da Nang suits a range of activities thanks to warm temperatures of 30°C. With frequent rain, indoor activities and covered attractions are a smart choice. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 9 hours of sunshine, parks and waterfront walks are particularly enjoyable.

September ranks 7th sunniest of the year in Da Nang, with an average 9 daily sunshine hours. The driest months are April, March, and February. June is the hottest month (33°C avg high); January is the coolest (24°C). From here, temperatures fall 2°C into October. Compared to last month (August: 32°C high, 19 rain days), September is cooler and wetter. September sits in the middle of the annual sunshine ranking for Da Nang, offering a reasonable balance of good weather and manageable crowds.

Year-Round Climate

MonthHighLowRain DaysSunDetails
January24°C20°C177hView
February25°C20°C118hView
March27°C22°C109hView
April30°C24°C910hView
May32°C26°C1511hView
June33°C27°C1411hView
July32°C27°C1610hView
August32°C26°C1910hView
September30°C25°C239hView
October28°C24°C258hView
November26°C23°C227hView
December24°C21°C236hView

Nearby Destinations with Similar Weather

These cities are within 500 km and experience broadly comparable weather conditions during the same calendar month, making them practical standalone alternatives or worthwhile additions to a longer regional itinerary.

Data Sources for Da Nang

Climate normals represent 30-year averages (1991-2020). Individual years may vary.