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Weather in Hanoi for September 2027

Your guide to Hanoi weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Hanoi at the beginning of September is 32.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 30.1 °C by the end of September.

    • Rain 🌧️

  • Hanoi in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 326 mm.

    • More

  • Is September a good time to visit Hanoi? check out the best time to travel to Hanoi page.

Average dry days
10
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/24°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Hanoi Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate or heavy rain shower
33°
2
Patchy rain possible
33°
3
Patchy rain possible
33°
4
Light rain
32°
5
Light rain
33°
6
Patchy rain possible
34°
7
Moderate rain
32°
8
Moderate rain
31°
9
Moderate rain
30°
10
Moderate rain
30°
11
Moderate rain
31°
12
Moderate rain
31°
13
Moderate rain
30°
14
Moderate rain
29°
15
Moderate rain
30°
16
Moderate rain
30°
17
Moderate rain
30°
18
Light rain
30°
19
Light rain
32°
20
Light rain
32°
21
Light rain
33°
22
Moderate rain
30°
23
Light rain
32°
24
Light rain
30°
25
Moderate rain
29°
26
Light rain
30°
27
Light rain
30°
28
Moderate rain
31°
29
Moderate rain
30°
30
Moderate rain
31°

Temperatures trend during September in Hanoi

See the weather trend as well as the moving average line

September weather in Hanoi day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 33° /25° 5.2 mm 7
2 Sept. Patchy rain possible
Patchy rain possible
 33° /25° 1.5 mm 8
3 Sept. Patchy rain possible
Patchy rain possible
 33° /25° 0.9 mm 8
4 Sept. Light rain
Light rain
 32° /25° 3.1 mm 7
5 Sept. Light rain
Light rain
 33° /25° 2.5 mm 7
6 Sept. Patchy rain possible
Patchy rain possible
 34° /24° 1.7 mm 7
7 Sept. Moderate rain
Moderate rain
 32° /25° 14.1 mm 8
8 Sept. Moderate rain
Moderate rain
 31° /25° 14.9 mm 8
9 Sept. Moderate rain
Moderate rain
 30° /24° 14.3 mm 7
10 Sept. Moderate rain
Moderate rain
 30° /24° 15.4 mm 6
11 Sept. Moderate rain
Moderate rain
 31° /24° 14.9 mm 7
12 Sept. Moderate rain
Moderate rain
 31° /24° 13.1 mm 8
13 Sept. Moderate rain
Moderate rain
 30° /24° 23.1 mm 6
14 Sept. Moderate rain
Moderate rain
 29° /24° 13.4 mm 6
15 Sept. Moderate rain
Moderate rain
 30° /24° 22.7 mm 6
16 Sept. Moderate rain
Moderate rain
 30° /24° 21.5 mm 6
17 Sept. Moderate rain
Moderate rain
 30° /24° 21.5 mm 6
18 Sept. Light rain
Light rain
 30° /24° 8 mm 6
19 Sept. Light rain
Light rain
 32° /24° 4.4 mm 7
20 Sept. Light rain
Light rain
 32° /25° 5.1 mm 7
21 Sept. Light rain
Light rain
 33° /24° 7.8 mm 8
22 Sept. Moderate rain
Moderate rain
 30° /24° 10 mm 7
23 Sept. Light rain
Light rain
 32° /24° 4 mm 7
24 Sept. Light rain
Light rain
 30° /23° 4.9 mm 7
25 Sept. Moderate rain
Moderate rain
 29° /23° 15.7 mm 7
26 Sept. Light rain
Light rain
 30° /23° 4.6 mm 7
27 Sept. Light rain
Light rain
 30° /24° 7.6 mm 7
28 Sept. Moderate rain
Moderate rain
 31° /24° 12.4 mm 7
29 Sept. Moderate rain
Moderate rain
 30° /24° 24.1 mm 6
30 Sept. Moderate rain
Moderate rain
 31° /24° 13.9 mm 7
Next
Important Notice
Our weather forecast for Hanoi in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Hanoi forecast closer to your planned date for the most up-to-date weather information.
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Hanoi in September - FAQ

What are the expected maximum and minimum temperatures in Hanoi during September?
During September, expect a variety of temperatures with highs around 31° and lows near 24°, suitable for diverse activities and preferences.

How much rainfall should be expected in Hanoi during September?
Significant rainfall exceeding 326 mm is expected in Hanoi during September, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Hanoi during September?
The average wind speed in Hanoi during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Hanoi

Explore the daily rainfall trends and prepare for Hanois September weather 💧
Typically, Hanoi has 20 rainy days in September with a total of 326 mm of rainfall.

UV exposure in Hanoi during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Get accurate weather forecasts for Hanoi, located at latitude 21.025 and longitude 105.841. Stay updated with localized weather information tailored for Hanoi.

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