Vietnam Weather in September
Vietnam weather in September is still hot. But the temperature begins to drop all over the country. The average daytime temperature is 31℃( 87.8℉), the average night temperature is 24℃(75.2℉). The rainfall decreases largely in the north and south; but the central part has more rains in September and sometimes even storms. All in all, the climate in Vietnam in September is hot with decreasing temperature and rainfall.
The hottest cities in Vietnam in September:Lao Cai: 33℃(91.4℉); Ho Chi Minh City: 32℃(89.6℉); Phan Thiet: 32℃(89.6℉); Hanoi: 32℃(89.6℉)
The coolest cities in Vietnam in September:Hoi An: 23℃(73.4℉); Haiphong: 24℃(75.2℉); Da Lat: 13℃(55.4℉)
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Travel to Vietnam in September, it’s necessary to wear some thin and breathable clothes like short shirt, thin skirts and shorts. And in case of the temperature drops at night, you can take a long dress or a long-sleeve T-shirt with you. Because of the lots of rainy days, you had better take an umbrella, especially if you want to go to the central part.
There are some beauty spots you should not miss when you go travelling in Vietnam in September 2025.
Hue
It’s famous for the ancient imperial palace. You can see the old city walls and walk through the ancient streets. Besides, one of the most beautiful nature parks in Vietnam, Bach Ma National Park is also located in Hue. There are rich wild plants and animals. You can take a walk along the mountain side to enjoy the clean air and the spectacular waterfall. Therefore, trekking is a popular activity here. The beautiful red azaleas blooming on the two sides will accompany you. And maybe you will make friends with a bird or a monkey.Hanoi
Hanoi in September is one of the most beautiful periods. Certainly, it becomes one of the most popular months to go to Hanoi for travelling. You can see the Fragrant Milk Flowers blooming along the two sides of street which give off a romantic smell. So you will meet lots of boys and girls are dating. And lots of Vietnamese people like to take wedding photos in this month; it’s a chance to appreciate the traditional wedding dress of Vietnamese. Besides, if you go to Hanoi in September, you can enjoy the gifts of this season-‘com’, which is a kind of snake made of rice. Go travelling in Hanoi in September, you will enjoy a beautiful autumn.Mu Cang Chai
In September, rice crops start to turn golden yellow in Mu Cang Chai terraced fields in the west of Ampere Province. It’s just the right time to enjoy the sightseeing of spectacle terraced fields with golden rice.|
September |
Temperature | Sunrise / Sunset |
Humidity (%) |
|
| High | Low | |||
|
Can Tho |
34°C/ 93.2°F | 23°C / 73.4°F | 07:25/ 17:32 | 44 |
|
Da Lat |
33°C / 91.4°F | 23°C / 73.4°F | 07:20/ 18:07 | 84 |
|
Da Nang |
33°C / 91.4°F | 22°C / 71.6°F | 07:56/ 18:38 | 79 |
|
Ha Long |
30°C / 86°F | 15°C / 59°F | 07:45/ 18:30 | 83 |
|
Haiphong |
29°C / 84.2°F | 14°C / 57.2°F | 07:08/ 18:13 | 72 |
|
Hanoi |
33°C / 91.4°F | 23°C / 73.4°F | 07:23/ 18:22 | 73 |
|
Ho Chi Minh City |
31°C / 87.8°F
|
23°C / 73.4°F | 07:41/ 18:34 | 79 |
|
Hoi An |
30°C / 86°F | 22°C / 71.6°F | 06:51/ 17:35 | 75 |
|
Hue |
30°C / 86°F | 17°C / 62.6°F | 06:58/ 16:36 | 72 |
|
Lao Cai |
29°C / 84.2°F | 24°C / 75.2°F | 07:44/ 17:48 | 57 |
|
Nha Trang |
30°C / 86°F | 15°C / 59°F | 07:03/ 18:11 | 74 |
|
Phan Thiet |
30°C / 86°F | 19°C / 66.2°F | 06:56/ 17:43 | 65 |