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Hanoi Weather in September, Vietnam


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Hanoi Averages September

  • What is Average Temperature?
    The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month


  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    High Temperature

  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    Low Temperature

  • What is Average Day Temperature?
    The average temperature recorded between sunrise and sunset

    Day Temperature

  • What is Average Night Temperature?
    The average temperature recorded between sunset and sunrise

    Night Temperature

  • What are Average Daily Sunshine Hours?
    Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

    Sunshine Hours

    7 hours
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

    Rainfall Days

    14 days
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years


    160 mm

Hanoi Daily Averages September

September 2024 Daily Averages

1 Avg 28º 82º
2 Avg 28º 82º
3 Avg 27º 81º
4 Avg 27º 81º
5 Avg 27º 81º
6 Avg 28º 82º
7 Avg 28º 82º
8 Avg 26º 79º
9 Avg 27º 81º
10 Avg 28º 82º
11 Avg 28º 82º
12 Avg 27º 81º
13 Avg 27º 81º
14 Avg 28º 82º
15 Avg 27º 81º
16 Avg 28º 82º
17 Avg 28º 82º
18 Avg 28º 82º
19 Avg 28º 82º
20 Avg 27º 81º
21 Avg 28º 82º
22 Avg 28º 82º
23 Avg 28º 82º
24 Avg 28º 82º
25 Avg 27º 81º
26 Avg 26º 79º
27 Avg 28º 82º
28 Avg 29º 84º
29 Avg 29º 84º
30 Avg 28º 82º
Avg Historical Daily Average

September Weather Averages

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What's the Weather Like in Hanoi in September


Average daily temperatures are on a slight decrease in the city of Hanoi in September. Daily lows usually vary between 21C (69.8F) and 27C (80.6F), while daily highs fluctuate from 27C (80.6F) to 35C (95F). Variations outside these limits are very rare during the month. However, air temperatures mostly range from 24C (75.2F) to 31C (87.8F) this time of year. The comparison of average temperatures between the capital of Vietnam and Manila, the capital of the Philippines, in September reveals similar values.

Periods of hot weather are also on a slight decrease in the course of September. The hot interval ranges from around 11:30 am to 6 pm at the beginning of the month. By the end of September, it is usually hot from around 1 pm until 5:30 pm. The reminder of the day, it feels warm.

Sunshine Hours

The number of sunshine hours in September doesn't change to a larger extent in comparison to August, remaining around 5 per day. The same holds true for the percentage of sunny (34%) against cloudy weather (66%). The cloud cover over the city gradually decreases as time passes, with the end of September being less cloudy than the beginning.


Albeit the time of year featuring the most abundant rainfall is behind, September is still the month of the wet season. During this period, Hanoi, the capital city of Vietnam, tends to receive up to 265 mm/10.4 in of precipitation on average. The usual number of wet days during September is 14, which shows a decrease from the previous month. More so, the possibility of rainy weather is on a rapid decrease in the course of the month. Consequently, the second half of September receives a much smaller amount of precipitation than the first. Thunderstorms are still the most common manifestation of rain in this period.

Wind speed

The speed of the wind is on the constant rise from the beginning of September until the end. The average wind speed on September 1 is around 2.4 m/s while this parameter is 2.8 m/s by the end of the period. According to observations, days are much windier than nights, when the wind blows with the speed of up to 3.7 m/s.


Hanoi usually features a high humidity during the month. The average relative humidity is around 73% throughout the month. Yet, the probability of very humid conditions drops from around 99% on September 1 to approx. 92% on September 30.

Sunrise and sunset

The duration of daylight keeps decreasing this time of year. On September 1, daylight lasts 12:32 hours, from 5:40 am to 6:12 pm. The day with the shortest daylight is September 30. On this day, the sun rises at 5:47 am and sets at 5:45 pm (11:58 hours of daylight).

Extraordinary weather occurrences

In September, it is still the typhoon season in North Vietnam and, consequently, in the country's capital of Ha Noi. These tropical storms tend to unleash heavy showers that may flood various areas in the city. On extreme occasions, the winds may even uproot trees. One such typhoon took place in this destination in August 2012.

Except these notorious hazards of nature, northern regions of Vietnam are occasionally hit by strong earthquakes. Yet, none of them occurred near Hanoi, the Vietnamese capital, in a last few decades.

Hanoi Hotels in September

To minimize negative effects of road congestion, most travelers choose areas around West Lake and the Old Quarter for their temporary base. While West Lake features many luxurious hotels, Hanoi Old Quarter, alongside neighboring French Quarter, features all sorts of accommodations.

Hanoi Prince II Hotel

Hanoi Prince II Hotel features a convenient location in the Old Quarter of Ha Noi, which is near the majority of tourist points of interest. Some in-room amenities of the hotel are free Wi-Fi, a complimentary computer and a private bathroom. Flat-screen TVs with satellite channels and a minibar are additional amenities. Paid parking is nearby. Guests that book a stay of at least three consecutive nights benefit of free pick up from the airport.

Serenity Diamond Hotel

Serenity Diamond Hotel is a 3-star property, located in the Old Quarter of Hanoi, the capital city of Vietnam. The hotel rooms feature convenient equipment, consisting of computers and free wireless internet. Guests also dispose of satellite TVs, minibars, air-conditioners and tea/coffee makers. An on-site restaurant serves western and domestic food. If you book a room or a suite in Serenity Diamond Hotel via email for at least a 3-night stay, you benefit of free airport transfer.

Sunway Hotel Hanoi

4-star Sunway Hotel Hanoi features a fabulous location, near most top tourist attractions in the city. Rooms feature sound isolation, free internet access, air-conditioners, safes, TVs with satellite channels, minibars and free toiletries. Some complimentary facilities are a fitness room, business center and a steam room. The hotel disposes of free parking area. The property's restaurant serves local and international food. The distance between Sunway Hotel and Noi Bai Airport is 31 km/19.3 mi.

JW Marriott

JW Marriott, located west of the Old Quarter of Hanoi, is a 5-star complex boasting contemporary luxury. Accommodation units of the property feature useful amenities such as air-conditioners, minibars, free toiletries, TVs with flat screens and complimentary wireless internet. Guests of the hotel can make use of the hotel's ballrooms, a business center, swimming pool, spa, fitness center and a number of restaurants. On-site parking is free of charge. The hotel is around 27 kilometers (less than 17 miles) distant from Noi Bai international airport.

Bars and Restaurants

The traditional cuisine of Vietnam offers surprising experiences and Hanoi, the Vietnamese capital, features attractive dining opportunities. And those are available practically at every step, from street vendors and food trucks to upscale dining venues. Also, September is a month when it is only a matter of time when you will need some sort of refreshment. Ice tea, ice coffee, fresh juices and ice creams are a few great means of refreshing.

If you plan to dine in a café or a restaurant, it would be beneficial if you have cash. Some venues, just like some shops, don't accept cards. Even those that do may charge a few percent transaction fee.

Don Duck

Don Duck is an eatery serving delicious food for affordable prices. You can find this dining venue in the Old Quarter. As implied by the name, the restaurant serves specialties based on duck meat which comes with sweet and sour flavors. Seafood is also in Don Duck's menu. The eatery's opening hours are from 11:30 am to midnight every day.

Cha Ca Thang Long

Cha Ca Thang Long is a mid-range restaurant serving Vietnamese food. It specializes in cha ca, a recognizable Hanoi dish that comprises a fish file seasoned with ginger, garlic and a few other ingredients. The location of the eatery is in Hanoi Old Quarter. Cha Ca Thang Long is open daily from 10am to 3pm and from 5pm to 10pm. 

Nola Cafe

Nola Cafe is a place where you can treat yourself with domestic and international specialties. Among other specialties in the menu, it serves pancakes, rolls and salads. The place features indoor and outdoor areas, including a rooftop terrace. Here, you can listen to various sorts of music, which aren't played loudly. Nola Café is open on a daily basis from 10 am to midnight.

Bamboo Bar

You will find reputable Bamboo Bar in the Sofitel Metropole Legend Hotel in the French Quarter, southeast of Hoan Kiem Lake. The laid-back bar is a great place for relaxing with a cocktail, fruit juice, ice cream or a snack in your hand. Charlie Chaplin, one of the greatest actors of all times, spent his honeymoon here. And one particular cocktail is named after him. Bamboo Bar is open daily from 6am to thirty minutes after midnight.

Things to do in Hanoi in September

Tran Quoc Pagoda

The Tran Quoc Pagoda is one of the landmarks that defines the skyline of the capital of Vietnam. The oldest pagoda in the city is an 11-storey structure, and you can find it on an islet in the southeast corner of West Lake. The interesting fact is the pagoda used to be on a bank of the Red River, but was relocated at the present site in the 17th century. You should plan to visit the attraction both during the day and the night.

S Vietnam Travel

Be sure to book a tour with S Vietnam Travel, they specialise in customized tour packages in and around Vietnam and Cambodia. A team of experts cherrypick the best tour for you to suit your needs!

Yen Stream

Around 60 kilometers (37.3 miles) south of the city of Hanoi, a pleasant boat ride awaits you along Yen stream. It is near the Huong Pagoda site, featuring blooming of water lilies in autumn. Edged by lush vegetation and hills, Yen stream is one of the most beautiful landscapes in northern Vietnam this time of year. Morning and afternoon are the best times of day for a boat tour here.

Mid-Autumn Festival

The Mid-Autumn Festival is a popular public event in Vietnam. People who refer to the lunar calendar start celebrating on the 15th day of the 8th month. If you refer to the Gregorian calendar, the festival takes place around the end of September and the beginning of October. The celebration incorporates various street shows and dancing performances, colourful decoration and costumes, workshops and else.

Some places that are especially worth seeing on such an occasion in Hanoi, the Vietnamese capital, are:

  • Hang Ma Street in the Old Quarter great shopping.
  • My Dinh National Stadium a flying lantern festival.
  • Area around Hoan Kiem Lake various entertaining activities.
  • And the Temple of Literature beautiful decoration.

Besides Tet (Vietnamese New Year), the Mid-Autumn Festival is the most popular public event in the country.