Measurements:
°C
°F
CURRENT WEATHER
06:32
Vientiane
78°F
S 2 mph
Feels like: 82°F
Precip: 0%
World Resorts Laos Vientiane Weather September Weather in Vientiane

Vientiane Weather: September

Average Day Temperature: 91.9°F
Average Night Temperature: 78.0°F
Number of Sunny Days: 7 days
Sunshine Hours: 12.0 - 12.5 hours
Number of Rainy Days: 14 days
Precipitation Totals: 7.5 in
detailed information

Air Temperature in September, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
16
32
48
64
80
96
112
128
Day Temperature   
Night Temperature

The highest day temperature in September 2024 was 96°F. The lowest night temperature was 74°F. The average values for day and night temperatures during September were 88.7°F и 77.2°F respectivly.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
23%
37%
40%

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in September, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0

Precipitation total in September for Vientiane is 7.5 in. It makes september one of the most rainy months of the year.

Wind Speed in September, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.8
1.6
2.4
3.2
4.0
4.8
5.6
6.4

The average wind speed in September is 3.5 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.7
3.3
5.0
6.7
8.4
10.0
11.7

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Vientiane in September is 5.9 hours.

Best Time to Visit Vientiane
The most sunny months:
January 24 days
February 24 days
March 24 days
The most warm months:
April 105.6 °F
March 101.8 °F
May 101.5 °F
The most cold months:
December 87.3 °F
January 88.6 °F
August 91.1 °F
The most rainy months:
August 16 days
July 15 days
September 14 days
The most windy months:
March 4 mph
April 4 mph
February 4 mph
more details

Vientiane on the Weather Map

Laos Resorts:
NAME
F°
Luang Prabang +66
Pakbeng +66
Pakse +78
Vang Vieng +66
Vientiane +78
24 Hours Weather Forecast
Vientiane
Local time: 06:32
15 apr, tuesday
0900 88°F
S
2 mph
1200 100°F
SE
0 mph
1500 98°F
E
5 mph
1800 94°F
E
6 mph
2100 90°F
SE
4 mph
16 apr, wednesday
0000 88°F
SE
5 mph
0300 84°F
SE
5 mph
0600 80°F
SW
1 mph