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Weather in Hạ Long for September 2027

Your guide to Hạ Long weather in September - trends and predictions

    Temperatures

  • In general, the average temperature in Hạ Long at the beginning of September is 30.8 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.8 °C by the end of September.

    • Rain 🌧️

  • Hạ Long experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 401.9 mm.

    • More

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

Average dry days
8
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
29°/25°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Hạ Long Weather September

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

Temperatures trend during September in Hạ Long

See the weather trend as well as the moving average line

September weather in Hạ Long day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 30° /27° 2.9 mm 5
2 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 31° /26° 4.4 mm 8
3 Sept. Patchy rain possible
Patchy rain possible
 31° /26° 2.1 mm 9
4 Sept. Partly cloudy
Partly cloudy
 31° /26° 0.2 mm 8
5 Sept. Patchy light drizzle
Patchy light drizzle
 31° /26° 0.3 mm 7
6 Sept. Light rain
Light rain
 31° /26° 2.5 mm 7
7 Sept. Heavy rain
Heavy rain
 30° /25° 65 mm 8
8 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 30° /26° 14.7 mm 8
9 Sept. Moderate rain
Moderate rain
 29° /25° 20.9 mm 7
10 Sept. Torrential rain shower
Torrential rain shower
 28° /25° 60.5 mm 6
11 Sept. Torrential rain shower
Torrential rain shower
 28° /25° 44.4 mm 7
12 Sept. Light rain
Light rain
 30° /25° 3.8 mm 6
13 Sept. Light rain
Light rain
 29° /25° 5.6 mm 5
14 Sept. Moderate rain
Moderate rain
 28° /25° 18.4 mm 5
15 Sept. Moderate rain
Moderate rain
 28° /25° 17.6 mm 5
16 Sept. Light rain
Light rain
 29° /25° 8.8 mm 5
17 Sept. Moderate rain
Moderate rain
 28° /25° 11.9 mm 5
18 Sept. Moderate rain
Moderate rain
 30° /25° 10.6 mm 7
19 Sept. Light rain
Light rain
 30° /25° 4.1 mm 8
20 Sept. Light rain
Light rain
 31° /25° 2.7 mm 8
21 Sept. Light rain
Light rain
 30° /25° 7.8 mm 8
22 Sept. Moderate rain
Moderate rain
 28° /25° 16.7 mm 7
23 Sept. Light rain
Light rain
 29° /24° 2.8 mm 7
24 Sept. Light drizzle
Light drizzle
 28° /23° 2.1 mm 6
25 Sept. Moderate rain
Moderate rain
 28° /23° 18 mm 7
26 Sept. Light rain
Light rain
 28° /24° 7.2 mm 6
27 Sept. Light rain
Light rain
 29° /25° 4.3 mm 6
28 Sept. Light rain
Light rain
 30° /26° 7.1 mm 7
29 Sept. Moderate rain
Moderate rain
 29° /26° 22.6 mm 5
30 Sept. Moderate rain
Moderate rain
 29° /26° 11.7 mm 7
Next
Important Notice
Our weather forecast for Hạ Long 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 Hạ Long forecast closer to your planned date for the most up-to-date weather information.
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Hạ Long in September - FAQ

What are the expected maximum and minimum temperatures in Hạ Long during September?
During September, expect a variety of temperatures with highs around 29° and lows near 25°, suitable for diverse activities and preferences.

How much rainfall should be expected in Hạ Long during September?
Significant rainfall exceeding 401.9 mm is expected in Hạ Long during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Hạ Long during September?
The average wind speed in Hạ Long during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Hạ Long

Explore the daily rainfall trends and prepare for Hạ Longs September weather 💧
Typically, Hạ Long has 22 rainy days in September with a total of 401.9 mm of rainfall.

UV exposure in Hạ Long during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Hạ Long?

Get accurate weather forecasts for Hạ Long, located at latitude 20.95 and longitude 107.073. Stay updated with localized weather information tailored for Hạ Long.

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