Lang Son in September: Weather & climate information

What's the weather like in Lang Son in September? See the historical monthly averages for temperature, rainfall and humidity.

September Averages

Min Temperature 21.7°C Precipitation 118.0mm
Max Temperature 29.9°C Rainy Days 16.3 days
Humidity 81.5% Sunshine Hours 10.8 hours

Historical weather

September weather averages for Lang Son in the last 10 years ( 2010 to 2020).

September
2020
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
MonTueWedThuFriSatSun
 
1
25.0°33.0°
2
25.0°34.0°
3
23.0°32.0°
4
24.0°32.0°
5
22.0°31.0°
6
24.0°31.0°
7
20.0°27.0°
8
24.0°28.0°
9
24.0°29.0°
10
24.0°31.0°
11
25.0°31.0°
12
25.0°31.0°
13
23.0°30.0°
14
21.0°30.0°
15
24.0°30.0°
16
24.0°30.0°
17
24.0°34.0°
18
18.0°24.0°
19
17.0°24.0°
20
19.0°24.0°
21
19.0°27.0°
22
20.0°28.0°
23
22.0°29.0°
24
17.0°26.0°
25
19.0°27.0°
26
23.0°29.0°
27
18.0°26.0°
28
21.0°29.0°
29
24.0°31.0°
30
22.0°29.0°
    

Temperature Graph (°C)

The average Lang Son temperature during September is around 25.6°C (78.08°F).

Month High Low Changes
August 30.8°C (87.44°F) 22.9°C (73.22°F) -0.5°C (31.1°F)
September* 29.9°C (85.82°F) 21.7°C (71.06°F) -1.1°C (30.02°F)
October 26.9°C (80.42°F) 18.3°C (64.94°F) -3.3°C (26.06°F)

Humidity Graph (%)

The average humidity in September in Lang Son is 81.5%, which is 1.8% lower than August and 3.4% higher than October.

Rainfall Graph (mm)

Average rainfall in September in Lang Son: 118.0mm

August September* October
224.4mm (-106.4mm) 118.0mm 63.4mm (+54.6mm)

Rain Days Graph

Average rain days in September in Lang Son: 16.3 days

Daylight Graph

Average daylight in September in Lang Son: 12.3h

Frequently asked questions

How is the weather in Lang Son in September?

September is a hot month in Lang Son with an average temperature of 25.6°C. Lang Son's temperature in September ranges between 21.7°C (71.06°F) and 29.9°C (85.82°F).

Is Lang Son humid in September?

Yes, it is. The humidity of Lang Son in September is around 81.5% and rarely falls below 57.0%.

Does it rain often in Lang Son in September?

Yes, it does. It rains very often in Lang Son in September with an average of 16.3 rainy days and 118.0mm (4.65") of precipitation.

How many hours of daylight are there in September in Lang Son?

In September, Lang Son's average day-length is 12.3 hours.

How long is the sun out per day in Lang Son in September?

The average sunshine hours of Lang Son in September is 10.8 hours.

Conversations (0)
Join the conversation
Your comment...
POST COMMENT VIEW ALL
Conversations
Join the conversation
CANCEL Remaining: 1500
ALL COMMENTS (0)
There are no comments. Add your comment to start the conversation.

MONTHLY AVERAGES

Want to know what the weather is like in Lang Son in a specific month?

TODAY'S FORECAST

The weather today in Lang Son:
30°C
Humidity 60%
Wind 1.79 km/h
Sunrise 05:43 AM

Meet our experts

Need to plan your own trip to Vietnam?
Unlock experiences far beyond the ordinary
FREE TRIP PLANNING