Hanoi

Ha Noi Municipality Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Ha Noi Municipality, Vietnam in September.

Planning a journey to Ha Noi Municipality, Vietnam this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Ha Noi Municipality in September

Ha Noi Municipality, Vietnam is a region in Vietnam. September in Ha Noi Municipality generally has very warm temperatures, with heavy precipitation.

Temperatures

You can expect very warm maximum daytime temperatures of around 33°C (91°F) and nighttime temperatures around 25°C (77°F) in Hanoi. While the given temperatures for day and night are typical, there may be days that feel warmer. Make sure you're dressed in a way that keeps you cool and comfortable.

To learn more about the conditions in specific areas of Ha Noi Municipality, Vietnam, check out the map below.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Ðinh Thôn with an average of 241 mm (9.5 in) to heavy rainfall in Hanoi with 247 mm (9.7 in).

Average sunshine

Sunshine is fairly consistent across many areas. Hanoi receives about 162 hours of sunlight in September, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore Ha Noi Municipality by month

Pick a month to see the average temperature, rainfall and sunshine in Ha Noi Municipality — and find the best time to visit. (based on Hanoi)

Best Places to Visit in Ha Noi Municipality in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Ha Noi Municipality.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Ha Noi Municipality

What is the weather like in September for some of the most popular destinations in Ha Noi Municipality, Vietnam?

Temperature range in Ha Noi Municipality (September)

Precipitation variation in Ha Noi Municipality (September)

Hanoi

In September Hanoi generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
34°C (93°F)
33°C (91°F)
31°C (88°F)
Min temperature
26°C (79°F)
25°C (77°F)
23°C (73°F)
Monthly sun hours
173 hours
162 hours
164 hours
Monthly rainfall
338 mm (13 in)
247 mm (9.7 in)
128 mm (5 in)
Monthly rainy days
17 days
14 days
11 days
Weather conditions

Noi Bai

In September Noi Bai generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
34°C (93°F)
33°C (91°F)
31°C (88°F)
Min temperature
26°C (79°F)
25°C (77°F)
23°C (73°F)
Monthly sun hours
173 hours
162 hours
164 hours
Monthly rainfall
355 mm (14 in)
243 mm (9.6 in)
119 mm (4.7 in)
Monthly rainy days
17 days
14 days
11 days
Weather conditions

Thach Loi

In September Thach Loi generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
34°C (93°F)
33°C (91°F)
31°C (88°F)
Min temperature
26°C (79°F)
25°C (77°F)
23°C (73°F)
Monthly sun hours
193 hours
195 hours
178 hours
Monthly rainfall
352 mm (14 in)
242 mm (9.5 in)
119 mm (4.7 in)
Monthly rainy days
17 days
14 days
11 days
Weather conditions

Ðinh Thôn

In September Ðinh Thôn generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
34°C (93°F)
33°C (91°F)
31°C (88°F)
Min temperature
26°C (79°F)
25°C (77°F)
23°C (73°F)
Monthly sun hours
173 hours
162 hours
164 hours
Monthly rainfall
327 mm (13 in)
241 mm (9.5 in)
127 mm (5 in)
Monthly rainy days
17 days
14 days
11 days
Weather conditions

Dich Vong Trung

In September Dich Vong Trung generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
34°C (93°F)
33°C (91°F)
31°C (88°F)
Min temperature
26°C (79°F)
25°C (77°F)
23°C (73°F)
Monthly sun hours
173 hours
162 hours
164 hours
Monthly rainfall
332 mm (13 in)
243 mm (9.6 in)
127 mm (5 in)
Monthly rainy days
17 days
14 days
11 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Ha Noi Municipality, in Vietnam.

In our records: Vietnam September extremes

Notable September records observed across cities in Vietnam in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest September day in Vietnam brought 486 mm (19 in) in Bạch Mã on September 4, 2009.

Popular cities in September

Day & night temperatures, rainfall and average weather in Ha Noi Municipality in September.

City Weather Day temp Night temp Rainfall
Hanoi 33°C (91°F) 25°C (77°F) 247 mm (9.7 in)
Noi Bai 33°C (91°F) 25°C (77°F) 243 mm (9.6 in)
Thach Loi 33°C (91°F) 25°C (77°F) 242 mm (9.5 in)
Ðinh Thôn 33°C (91°F) 25°C (77°F) 241 mm (9.5 in)
Dich Vong Trung 33°C (91°F) 25°C (77°F) 243 mm (9.6 in)
Cao Ðình 33°C (91°F) 25°C (77°F) 242 mm (9.5 in)

Ha Noi Municipality weather in September: frequently asked questions

What is the weather like in Ha Noi Municipality, Vietnam in September?

In September, Ha Noi Municipality, Vietnam generally has poor weather conditions. Hanoi sees daytime temperatures near 33°C (91°F), with nights cooling to roughly 25°C (77°F).

What is the average temperature in Ha Noi Municipality, Vietnam in September?

Average temperatures in Ha Noi Municipality, Vietnam during September range from a nighttime low near 25°C (77°F) to a daytime high around 33°C (91°F) in Hanoi.

Does Ha Noi Municipality, Vietnam get a lot of rain in September?

Rainfall in Ha Noi Municipality, Vietnam peaks during September. Hanoi averages roughly 247 mm (9.7 in), so frequent and sometimes heavy showers are the norm.

Is September a Good Time to Visit Ha Noi Municipality, Vietnam?

In our opinion, September may not be the ideal time to visit Ha Noi Municipality, Vietnam due to the typically poor weather in Hanoi.

Generally speaking, January, February, March, November and December provide perfect weather in Hanoi. On the other hand, the weather in May, June, July, August and September tend to be poor.

Interested in more climate information?

We have much more information about the climate in Ha Noi Municipality.

Weather and climate has detailed information for every country in the world. Are you going to Vietnam? Get detailed historical weather averages for many cities in Vietnam.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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