Average weather in September in Hanoi (Ha Noi Municipality), Vietnam

The average minimum temperature (usually the minimum temperature is noted during the night) in Hanoi in September is 25.0°C (77°F). September falls in the rainy season with an average precipitation of 241mm (9.5in). It rains on average a total of 13 days. The average maximum daytime temperature lies around 31.0°C (87.8°F). The sun will occasionally show itself with 162 hours of sunshine during the whole month.


So what to wear in September? Visitors traveling to Hanoi should plan on bringing a totally waterproof rain jacket since it will often be raining. Also bring your shorts or a skirt because it can be very warm or even hot.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in September look at the numbers below.

Monthly Averages in September

Show in Fahrenheit

Min Temperature 25 °C
Max Temperature 31 °C
Chance of Rain 45%
Precipitation 241mm
Rainy Days 14
Sunshine Hours 162

 

Where to stay in Hanoi

Where to go in Vietnam in September

Find out more about the weather in Vietnam in September and which places have the best weather conditions in this month.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Weather Forecasts for Hanoi (Ha Noi Municipality)

FRI   Dec 09
18°C | 16°C
NE 4 kmph
Overcast

Overcast

SAT   Dec 10
18°C | 17°C
ENE 4 kmph
0.2 mm
Patchy rain possible

Patchy rain possible

SUN   Dec 11
18°C | 16°C
ENE 4 kmph
0.2 mm
Patchy rain possible

Patchy rain possible

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Hanoi.

Our site offers climate and forecast data for almost all countries in the world. Are you going to Vietnam? On this website you can find historical weather averages for many cities in Vietnam. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.