Weather in Vientiane: September
Average day temperature: | 87.9°F | |
Average night temperature: | 75.3°F | |
Number of sunny days: | 7 days | |
Day length: | 12.0 - 12.5 hours | |
Number of rainy days: | 14 days | |
Precipitation totals: | 7.8 in. | |
more information |
14 days
forecast
forecast
Vientiane |
weather in
October
October
Vientiane |
Air temperature in September, °F
Show year:
2023
2022
2021
The highest day temperature during September of 2023 was 92°F. At the same time the lowest night temperature was 73°F. Day and night temperature averages during September were 84.3°F and 74.4°F.
Sunny, partly cloudy and cloudy days
Mostly all days in September are cloudy but sunny and partly cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Vientiane in September is 8.6 in. It makes september one of the most rainy months of the year.
Wind speed in September, mph
The average wind speed value in September is 3.7 mph It makes September one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 3.9.
Best time for vacation in Vientiane
Vientiane on a weather map
Places in Laos:
Name
°F
24 Hours Forecast
Vientiane
Local time: 03:01
April 29, monday
0600
86°F
SE
2 mph
2 mph
0900
97°F
NE
4 mph
4 mph
1200
111°F
NE
8 mph
8 mph
1500
113°F
N
10 mph
10 mph
1800
108°F
NE
11 mph
11 mph
2100
99°F
NE
9 mph
9 mph
April 30, tuesday
0000
90°F
NE
3 mph
3 mph
0300
90°F
NE
7 mph
7 mph